EDU.COMBlogGuidePodcastPlanHomeMath GlossaryAlternate Exterior AnglesSemicircleGreatest Common Divisor GcdPartial ProductSizeCoordinate SystemView All Math TermsUse the Rules to Round Numbers to the Nearest Ten3Math3.NBT.A.1Find and Represent Fractions on a Number Line beyond 13Math3.NF.A.2a, 3.NF.A.Word Problems: Addition and Subtraction within 1,0003Math3.NBT.A.2One-Step Word Problems: Multiplication3Math3.OA.A.3Word Problems: Addition, Subtraction and Multiplication3Math3.OA.D.8Compare two 4-digit numbers using the place value chart3Math3.NBT.AView All Interactive LessonsCompose and Decompose Numbers to 5KMathK.OA.A.3Word Problems: Lengths2Math2.MD.B.5,2.MD.B.6Classify two-dimensional figures in a hierarchy5Math5.G.B.3, 5.G.B.4Use Mental Math to Add and Subtract Decimals Smartly5Math5.NBT.B.7Write Equations For The Relationship of Dependent and Independent Variables6Math6.EE.C.9Evaluate numerical expressions with exponents in the order of operations6Math6.EE.A.1View All VideosHexagons and CirclesKMathK.G.A.2, K.G.B.4Use Doubles to Add Within 201Math1.OA.C.6Addition and Subtraction Equations1Math1.OA.D.7, 1.OA.D.8Write four-digit numbers in three different forms3Math3.NBT.AUse the standard algorithm to multiply two two-digit numbers4Math4.NBT.B.5Multiplication Patterns of Decimals5Math5.NBT.A.2View All WorksheetsToucan with its wings spreadPre-K – KAll SubjectsWaiter serving food to a couple at a fancy restaurant3 – 4All SubjectsGalaxy with a detailed nebula in the background3 – 4All SubjectsChimera guarding a treasure chest in a cave3 – 4All SubjectsUltralight aircraft performing a loop in the sky3 – 4All SubjectsWoodpecker with detailed tree bark and a small insect hole3 – 4All SubjectsView All Coloring PagesSmart Standardized Test Prep: Evidence-Based Strategies for K–6 SuccessNovember 8, 2025Making General Chemistry Less Scary for K-6 StudentsOctober 14, 2025Help Your K-6 Student Learn Spanish FasterOctober 11, 2025How to Become Bilingual: A Guide for K-6 FamiliesOctober 9, 2025Understanding the ACT Reading Test: A Guide for K-6 EducatorsOctober 7, 2025Building AI Literacy Skills for Young LearnersOctober 7, 2025View All Blog PostsAbout UsPrivacy PolicyTerms of ServiceHomework HelperGuide DesignerPodcast MakerPlan BuilderMath GlossaryEnglish GlossaryEnglish Language ArtsMathematicsScienceBook InsightsFun with WordsBlog
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