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EDU.COMBlogGuidePodcastPlanHomeMath GlossaryPredictionAlgebraic IdentitiesExponent FormulasRelatively PrimeFraction RulesSurface Area of Rectangular PrismView All Math TermsMultiply by 63Math3.OA.C.7Solve the addition puzzle with missing digits3Math3.NBT.A.2Understand Non-Unit Fractions Using Pizza Models3Math3.NF.A.1Write Multiplication Equations for Arrays3Math3.OA.A.1Multiply by 13Math3.OA.C.7multi-digit subtraction within 1,000 with regrouping3Math2.NBT.B.7View All Interactive LessonsCompose and Decompose Numbers to 5KMathK.OA.A.3Understand Hundreds2Math2.NBT.A.1a, 2.NBT.A.1bUnderstand Division: Size of Equal Groups3Math3.OA.A.2Subtract within 1,000 fluently3Math3.NBT.A.2Prime And Composite Numbers4Math4.OA.B.4Classify two-dimensional figures in a hierarchy5Math5.G.B.3, 5.G.B.4View All VideosCount by Tens and OnesKMathK.CC.A.1. K.CC.A.2.Subtract 0 and 1KMathK.OA.A.2, K.OA.A.5Count Back to Subtract Within 201Math1.OA.C.5, 1.OA.C.6Use Models to Add Within 1,0002Math2.NBT.B.7Hundredths4Math4.NF.C.6Evaluate numerical expressions with exponents in the order of operations6Math6.EE.A.1View All WorksheetsSun with sunglasses and simple rays extending outwardsPre-K – KAll SubjectsUnicorn rearing up on hind legs with flowing mane, no backgroundPre-K – KAll SubjectsMinotaur holding a clubPre-K – KAll SubjectsPrincess with tiara standing in front of a castle1 – 2All SubjectsCrop duster flying low over a field of sunflowers3 – 4All SubjectsNorwegian Forest Cat sitting in front of a fireplace with a Christmas stocking hanging above5 – 6All SubjectsView All Coloring PagesHow to Help Kids Give Thoughtful Feedback on ArtworkNovember 9, 2025What Is Tutoring? Understanding the True Tutoring Meaning for K-6 StudentsOctober 17, 2025How Do I Learn a Language Quickly: Brain Training Strategies for K-6 StudentsOctober 11, 2025Essential Qualifications Every K-6 Private Tutor Must HaveOctober 11, 2025How to Be a Great Tutor: 8 Essential Skills for SuccessOctober 10, 2025Understanding Writer's Block: What It Means for Young StudentsOctober 10, 2025View All Blog PostsAbout UsPrivacy PolicyTerms of ServiceHomework HelperGuide DesignerPodcast MakerPlan BuilderMath GlossaryEnglish GlossaryEnglish Language ArtsMathematicsScienceBook InsightsFun with WordsBlog

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