﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2018v3.1" xsi:schemaLocation="http://www.irs.gov/efile">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2020-09-14T08:21:19-07:00</ReturnTs>
    <TaxPeriodEndDt>2019-10-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>222947255</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>Lear &amp; Pannepacker LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>791 Alexander Road</AddressLine1Txt>
        <CityNm>Princeton</CityNm>
        <StateAbbreviationCd>NJ</StateAbbreviationCd>
        <ZIPCd>085406325</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2018-11-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>201290489</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>MathPath</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>MathPath Foundation</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>MATH</BusinessNameControlTxt>
      <PhoneNum>6098511106</PhoneNum>
      <USAddress>
        <AddressLine1Txt>63 Fairview Road</AddressLine1Txt>
        <CityNm>Skillman</CityNm>
        <StateAbbreviationCd>NJ</StateAbbreviationCd>
        <ZIPCd>08558</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>John Howe</PersonNm>
      <PersonTitleTxt>Treasurer</PersonTitleTxt>
      <SignatureDt>2020-09-14</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>Eric Robert Lear CPA</PreparerPersonNm>
      <PTIN>P00216901</PTIN>
      <PhoneNum>6094522200</PhoneNum>
    </PreparerPersonGrp>
    <TaxYr>2018</TaxYr>
    <BuildTS>2021-01-29 14:40:06Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="5">
    <IRS990 documentId="IRS990" referenceDocumentId="IRS990ScheduleO" softwareId="18007218" softwareVersionNum="2018v3.1">
      <PrincipalOfficerNm>Stephen B Maurer</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>206 Benjamin West Avenue</AddressLine1Txt>
        <CityNm>Swarthmore</CityNm>
        <StateAbbreviationCd>PA</StateAbbreviationCd>
        <ZIPCd>19081</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>631385</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>false</GroupReturnForAffiliatesInd>
      <AllAffiliatesIncludedInd>false</AllAffiliatesIncludedInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>www.mathpath.org</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>2004</FormationYr>
      <LegalDomicileStateCd>MI</LegalDomicileStateCd>
      <ActivityOrMissionDesc>The organization's mission is to inspire and advance the most mathematically gifted middle school students in the U.S., Canada, and the world through an annual summer camp that is affordable for all qualified students.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>5</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>2</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>26</TotalEmployeeCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <PYContributionsGrantsAmt>279457</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>207301</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>517696</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>398971</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>12732</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>24508</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>367</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>605</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>810252</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>631385</CYTotalRevenueAmt>
      <CYGrantsAndSimilarPaidAmt>0</CYGrantsAndSimilarPaidAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>183616</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>177321</CYSalariesCompEmpBnftPaidAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>322630</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>257191</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>506246</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>434512</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>304006</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>196873</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>1028472</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>1278368</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>2621</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>1164</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>1025851</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>1277204</NetAssetsOrFundBalancesEOYAmt>
      <MissionDesc>The organization's mission is to inspire and advance the most mathematically gifted middle school students in the U.S., Canada, and the world through an annual summer camp that is affordable for all qualified students.</MissionDesc>
      <SignificantNewProgramSrvcInd>false</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>false</SignificantChangeInd>
      <ExpenseAmt>416108</ExpenseAmt>
      <RevenueAmt>398971</RevenueAmt>
      <Desc>MathPath is a 4-week residential math program attended each summer by 100 highly gifted students from around the world. It changes location from year to year; in 2019 it was held at Grand Valley State University, Allendale, Michigan. Financial aid was awarded to 26 of those students. Each week each student took 2 math courses from 12 offered and each workday also attended 3 all-camp lectures. A problem of the day was posed each day to encourage the students to think "outside the box." To give students a well-rounded experience, physical activities such as rock climbing, hiking, swimming and canoing were offered in free time. The weekends were filled with trips to local sites depending on the location of the camp. Field trips included baseball games, museum outings and a puzzle room.</Desc>
      <TotalProgramServiceExpensesAmt>416108</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="IRS990ScheduleA">true</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="IRS990ScheduleB">true</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="IRS990ScheduleD">false</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="IRS990ScheduleD">false</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="IRS990ScheduleD">false</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="IRS990ScheduleD">false</CreditCounselingInd>
      <TempOrPermanentEndowmentsInd referenceDocumentId="IRS990ScheduleD">true</TempOrPermanentEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="IRS990ScheduleD">false</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="IRS990ScheduleD">false</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="IRS990ScheduleD">false</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="IRS990ScheduleD">true</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="IRS990ScheduleD">true</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="IRS990ScheduleD">false</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="IRS990ScheduleD">false</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="IRS990ScheduleD">false</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <ForeignActivitiesInd>false</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>false</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>false</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>false</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>false</FundraisingActivitiesInd>
      <GamingActivitiesInd>false</GamingActivitiesInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <GrantsToOrganizationsInd>false</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd>false</GrantsToIndividualsInd>
      <ScheduleJRequiredInd>false</ScheduleJRequiredInd>
      <TaxExemptBondsInd>false</TaxExemptBondsInd>
      <InvestTaxExemptBondsInd>false</InvestTaxExemptBondsInd>
      <EscrowAccountInd>false</EscrowAccountInd>
      <OnBehalfOfIssuerInd>false</OnBehalfOfIssuerInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>false</PYExcessBenefitTransInd>
      <LoanOutstandingInd>false</LoanOutstandingInd>
      <GrantToRelatedPersonInd>false</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>false</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>false</BusinessRlnWithFamMemInd>
      <BusinessRlnWithOfficerEntInd>false</BusinessRlnWithOfficerEntInd>
      <DeductibleNonCashContriInd>false</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>false</DeductibleArtContributionInd>
      <TerminateOperationsInd>false</TerminateOperationsInd>
      <PartialLiquidationInd>false</PartialLiquidationInd>
      <DisregardedEntityInd>false</DisregardedEntityInd>
      <RelatedEntityInd>false</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd>false</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>true</ScheduleORequiredInd>
      <IRPDocumentCnt>18</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>true</BackupWthldComplianceInd>
      <EmployeeCnt>26</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>true</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>false</UnrelatedBusIncmOverLimitInd>
      <Form990TFiledInd>false</Form990TFiledInd>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>false</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>false</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>false</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>false</Form8282PropertyDisposedOfInd>
      <Form8282FiledCnt>0</Form8282FiledCnt>
      <RcvFndsToPayPrsnlBnftCntrctInd>false</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>false</PayPremiumsPrsnlBnftCntrctInd>
      <Form8899Filedind>false</Form8899Filedind>
      <Form1098CFiledInd>false</Form1098CFiledInd>
      <DAFExcessBusinessHoldingsInd>false</DAFExcessBusinessHoldingsInd>
      <TaxableDistributionsInd>false</TaxableDistributionsInd>
      <DistributionToDonorInd>false</DistributionToDonorInd>
      <OrgFiledInLieuOfForm1041Ind>false</OrgFiledInLieuOfForm1041Ind>
      <LicensedMoreThanOneStateInd>false</LicensedMoreThanOneStateInd>
      <IndoorTanningServicesInd>false</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>false</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>false</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>5</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>2</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>false</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>false</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>false</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>false</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>false</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>false</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>false</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>true</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>true</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>false</OfficerMailingAddressInd>
      <LocalChaptersInd>false</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>true</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>false</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>false</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>false</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>false</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>false</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>false</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>false</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>false</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>MI</StatesWhereCopyOfReturnIsFldCd>
      <OtherWebsiteInd>X</OtherWebsiteInd>
      <OtherInd>X</OtherInd>
      <BooksInCareOfDetail>
        <PersonNm>John Howe</PersonNm>
        <PhoneNum>6098511106</PhoneNum>
        <USAddress>
          <AddressLine1Txt>63 Fairview Road</AddressLine1Txt>
          <CityNm>Skillman</CityNm>
          <StateAbbreviationCd>NJ</StateAbbreviationCd>
          <ZIPCd>08558</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>Stephen B Maurer</PersonNm>
        <TitleTxt>Chairman</TitleTxt>
        <AverageHoursPerWeekRt>10.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>6000</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Sam Vandervelde</PersonNm>
        <TitleTxt>Exec. Director</TitleTxt>
        <AverageHoursPerWeekRt>10.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>3603</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Victoria Chang</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>John Howe</PersonNm>
        <TitleTxt>Treasurer</TitleTxt>
        <AverageHoursPerWeekRt>10.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>11010</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>Wayne Roberts</PersonNm>
        <TitleTxt>Director</TitleTxt>
        <AverageHoursPerWeekRt>1.00</AverageHoursPerWeekRt>
        <AverageHoursPerWeekRltdOrgRt>0.00</AverageHoursPerWeekRltdOrgRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>20613</TotalReportableCompFromOrgAmt>
      <IndivRcvdGreaterThan100KCnt>0</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>false</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>false</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>false</CompensationFromOtherSrcsInd>
      <CntrctRcvdGreaterThan100KCnt>0</CntrctRcvdGreaterThan100KCnt>
      <AllOtherContributionsAmt>207301</AllOtherContributionsAmt>
      <TotalContributionsAmt>207301</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>Tuition, Room/Board</Desc>
        <BusinessCd>611600</BusinessCd>
        <TotalRevenueColumnAmt>398971</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>398971</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>398971</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>24508</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>24508</RelatedOrExemptFuncIncomeAmt>
      </InvestmentIncomeGrp>
      <IncmFromInvestBondProceedsGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </IncmFromInvestBondProceedsGrp>
      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </RoyaltiesRevenueGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetRentalIncomeOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetGainOrLossInvestmentsGrp>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncmFromFundraisingEvtGrp>
      <NetIncomeFromGamingGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncomeFromGamingGrp>
      <NetIncomeOrLossGrp>
        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncomeOrLossGrp>
      <OtherRevenueMiscGrp>
        <Desc>Miscellaneous Income</Desc>
        <BusinessCd>611600</BusinessCd>
        <TotalRevenueColumnAmt>605</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>605</RelatedOrExemptFuncIncomeAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>605</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>631385</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>424084</RelatedOrExemptFuncIncomeAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>0</TotalAmt>
      </GrantsToDomesticOrgsGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>0</TotalAmt>
      </GrantsToDomesticIndividualsGrp>
      <ForeignGrantsGrp>
        <TotalAmt>0</TotalAmt>
      </ForeignGrantsGrp>
      <BenefitsToMembersGrp>
        <TotalAmt>0</TotalAmt>
      </BenefitsToMembersGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>22355</TotalAmt>
        <ProgramServicesAmt>22355</ProgramServicesAmt>
      </CompCurrentOfcrDirectorsGrp>
      <CompDisqualPersonsGrp>
        <TotalAmt>0</TotalAmt>
      </CompDisqualPersonsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>145485</TotalAmt>
        <ProgramServicesAmt>145485</ProgramServicesAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>0</TotalAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>0</TotalAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>9481</TotalAmt>
        <ProgramServicesAmt>9481</ProgramServicesAmt>
      </PayrollTaxesGrp>
      <FeesForServicesManagementGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForServicesManagementGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>5785</TotalAmt>
        <ManagementAndGeneralAmt>5785</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForServicesLobbyingGrp>
      <FeesForServicesProfFundraising>
        <TotalAmt>0</TotalAmt>
      </FeesForServicesProfFundraising>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>0</TotalAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>2107</TotalAmt>
        <ProgramServicesAmt>2107</ProgramServicesAmt>
      </FeesForServicesOtherGrp>
      <AdvertisingGrp>
        <TotalAmt>0</TotalAmt>
      </AdvertisingGrp>
      <OfficeExpensesGrp>
        <TotalAmt>1382</TotalAmt>
        <ManagementAndGeneralAmt>1382</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>0</TotalAmt>
      </InformationTechnologyGrp>
      <RoyaltiesGrp>
        <TotalAmt>0</TotalAmt>
      </RoyaltiesGrp>
      <OccupancyGrp>
        <TotalAmt>204075</TotalAmt>
        <ProgramServicesAmt>204075</ProgramServicesAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>11630</TotalAmt>
        <ProgramServicesAmt>11630</ProgramServicesAmt>
      </TravelGrp>
      <PymtTravelEntrtnmntPubOfclGrp>
        <TotalAmt>0</TotalAmt>
      </PymtTravelEntrtnmntPubOfclGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>0</TotalAmt>
      </ConferencesMeetingsGrp>
      <InterestGrp>
        <TotalAmt>0</TotalAmt>
      </InterestGrp>
      <PaymentsToAffiliatesGrp>
        <TotalAmt>0</TotalAmt>
      </PaymentsToAffiliatesGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>0</TotalAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>10507</TotalAmt>
        <ManagementAndGeneralAmt>10507</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>Field Trips</Desc>
        <TotalAmt>12151</TotalAmt>
        <ProgramServicesAmt>12151</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Meals (staff)</Desc>
        <TotalAmt>3431</TotalAmt>
        <ProgramServicesAmt>3431</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Repairs &amp; Maintenance</Desc>
        <TotalAmt>2114</TotalAmt>
        <ProgramServicesAmt>2114</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>Postage and Shipping</Desc>
        <TotalAmt>1828</TotalAmt>
        <ProgramServicesAmt>1643</ProgramServicesAmt>
        <ManagementAndGeneralAmt>185</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>2181</TotalAmt>
        <ProgramServicesAmt>1636</ProgramServicesAmt>
        <ManagementAndGeneralAmt>545</ManagementAndGeneralAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>434512</TotalAmt>
        <ProgramServicesAmt>416108</ProgramServicesAmt>
        <ManagementAndGeneralAmt>18404</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>89032</BOYAmt>
        <EOYAmt>75540</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>132277</BOYAmt>
        <EOYAmt>111786</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <EOYAmt>0</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <EOYAmt>0</EOYAmt>
      </AccountsReceivableGrp>
      <ReceivablesFromOfficersEtcGrp>
        <EOYAmt>0</EOYAmt>
      </ReceivablesFromOfficersEtcGrp>
      <RcvblFromDisqualifiedPrsnGrp>
        <EOYAmt>0</EOYAmt>
      </RcvblFromDisqualifiedPrsnGrp>
      <OthNotesLoansReceivableNetGrp>
        <EOYAmt>0</EOYAmt>
      </OthNotesLoansReceivableNetGrp>
      <InventoriesForSaleOrUseGrp>
        <EOYAmt>0</EOYAmt>
      </InventoriesForSaleOrUseGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <EOYAmt>0</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipBasisNetGrp>
        <EOYAmt>0</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>416395</BOYAmt>
        <EOYAmt>773697</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <InvestmentsOtherSecuritiesGrp>
        <EOYAmt>0</EOYAmt>
      </InvestmentsOtherSecuritiesGrp>
      <InvestmentsProgramRelatedGrp>
        <EOYAmt>0</EOYAmt>
      </InvestmentsProgramRelatedGrp>
      <IntangibleAssetsGrp>
        <BOYAmt>15000</BOYAmt>
        <EOYAmt>15000</EOYAmt>
      </IntangibleAssetsGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>375768</BOYAmt>
        <EOYAmt>302345</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>1028472</BOYAmt>
        <EOYAmt>1278368</EOYAmt>
      </TotalAssetsGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>2621</BOYAmt>
        <EOYAmt>1164</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>2621</BOYAmt>
        <EOYAmt>1164</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsSFAS117Ind>X</OrganizationFollowsSFAS117Ind>
      <UnrestrictedNetAssetsGrp>
        <BOYAmt>946040</BOYAmt>
        <EOYAmt>1185204</EOYAmt>
      </UnrestrictedNetAssetsGrp>
      <PermanentlyRstrNetAssetsGrp>
        <BOYAmt>79811</BOYAmt>
        <EOYAmt>92000</EOYAmt>
      </PermanentlyRstrNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>1025851</BOYAmt>
        <EOYAmt>1277204</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>1028472</BOYAmt>
        <EOYAmt>1278368</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>196873</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>54480</NetUnrlzdGainsLossesInvstAmt>
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <AccountantCompileOrReviewInd>false</AccountantCompileOrReviewInd>
      <FSAuditedInd>false</FSAuditedInd>
      <FederalGrantAuditRequiredInd>false</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="IRS990ScheduleA" softwareId="18007218" softwareVersionNum="2018v3.1">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>88921</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>62314</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>268942</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>281444</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>207301</CurrentTaxYearAmt>
        <TotalAmt>908922</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>476387</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>489739</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>464496</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>524603</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>475318</CurrentTaxYearAmt>
        <TotalAmt>2430543</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <GrossReceiptsNonUnrltBusGrp>
        <TotalAmt>0</TotalAmt>
      </GrossReceiptsNonUnrltBusGrp>
      <TaxRevLeviedOrgnztnlBnft509Grp>
        <TotalAmt>0</TotalAmt>
      </TaxRevLeviedOrgnztnlBnft509Grp>
      <GovtFurnSrvcFcltsVl509Grp>
        <TotalAmt>0</TotalAmt>
      </GovtFurnSrvcFcltsVl509Grp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>565308</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>552053</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>733438</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>806047</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>682619</CurrentTaxYearAmt>
        <TotalAmt>3339465</TotalAmt>
      </Total509Grp>
      <AmountsRcvdDsqlfyPersonGrp>
        <TotalAmt>0</TotalAmt>
      </AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp>
        <TotalAmt>0</TotalAmt>
      </SubstantialContributorsAmtGrp>
      <PublicSupportTotal509Amt>3339465</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>670</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>428</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>9554</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>12732</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>24508</CurrentTaxYearAmt>
        <TotalAmt>47892</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <Post1975UBTIGrp>
        <TotalAmt>0</TotalAmt>
      </Post1975UBTIGrp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>670</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>428</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>9554</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>12732</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>24508</CurrentTaxYearAmt>
        <TotalAmt>47892</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <NetIncomeFromOtherUBIGrp>
        <TotalAmt>0</TotalAmt>
      </NetIncomeFromOtherUBIGrp>
      <OtherIncome509Grp>
        <CurrentTaxYearMinus3YearsAmt>208</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>266</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearAmt>54785</CurrentTaxYearAmt>
        <TotalAmt>55259</TotalAmt>
      </OtherIncome509Grp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>565978</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>552689</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>743258</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>818779</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>761912</CurrentTaxYearAmt>
        <TotalAmt>3442616</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.97000</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.99210</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.01390</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00760</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="IRS990ScheduleB" softwareId="18007218" softwareVersionNum="2018v3.1">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="IRS990ScheduleD" softwareId="18007218" softwareVersionNum="2018v3.1">
      <CYEndwmtFundGrp>
        <BeginningYearBalanceAmt>79811</BeginningYearBalanceAmt>
        <ContributionsAmt>8000</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>4189</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>92000</EndYearBalanceAmt>
      </CYEndwmtFundGrp>
      <CYMinus1YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>31687</BeginningYearBalanceAmt>
        <ContributionsAmt>46137</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>1987</InvestmentEarningsOrLossesAmt>
        <EndYearBalanceAmt>79811</EndYearBalanceAmt>
      </CYMinus1YrEndwmtFundGrp>
      <CYMinus2YrEndwmtFundGrp>
        <ContributionsAmt>31687</ContributionsAmt>
        <EndYearBalanceAmt>31687</EndYearBalanceAmt>
      </CYMinus2YrEndwmtFundGrp>
      <EndowmentsHeldUnrelatedOrgInd>false</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>false</EndowmentsHeldRelatedOrgInd>
      <RelatedOrgListSchRInd>false</RelatedOrgListSchRInd>
      <TotalBookValueOtherAssetsAmt>302345</TotalBookValueOtherAssetsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>Credit Card Liabilities</Desc>
        <Amt>164</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>Deferred Revenue</Desc>
        <Amt>1000</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>1164</TotalLiabilityAmt>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="18007218" softwareVersionNum="2018v3.1">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b: Form 990 Review Process</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990 is distributed electronically to all officers who discuss and review the return. The responsible officers also review the internal financial statements used to prepare the return prior to filing and discuss any questions that arise with the bookkeeper and/or CPA on the statements or the return by telephone and/or email.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 18: Explanation of Other Means Forms Available For Public Inspection</FormAndLineReferenceDesc>
        <ExplanationTxt>Form 990 for this organization is available online at Guidestar: http:/www2.guidestar.org/organizations/20-1290489/mathpat.aspx#</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19: Other Organization Documents Publicly Available</FormAndLineReferenceDesc>
        <ExplanationTxt>The organization does not actively publish its governing documents, but items 1) and 3) are available upon request. The organization does not prepare formal financial statements but the Statement of Revenue and Expenses and Balance Sheet included in Form 990 are in agreement with the organization's internal books and records.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>