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Common Core State Standards
Add and subtract within 20
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resources for those 'aha' moments
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Easter Literacy and Math Centers - Digital Learning Activity
Lost the lesson-planning stress this Easter season with an exciting no-prep digital Easter Literacy and Math center.
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Addition and Subtraction Fact Families Teaching Presentation
Use this 19-slide editable slide deck when introducing addition and subtraction fact families to your students.
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Open-ended Math Problem Solving - Grades 1, 2, and 3 (Task Card Version)
A set of 20 open-ended problem solving task cards covering a range of mathematical concepts.
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Counting On: Addition Strategy Worksheet
Practice the “counting on” addition strategy to solve addition problems to 20.
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Roll It! Operations Game
Use this fun game to practice all four operations and/or order of operations.
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Mental Math Subtraction Posters
Use this set of subtraction posters in your classroom when teaching different mental math strategies.
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Double Dinos - Using Doubles Facts to Add Near Doubles Worksheet
Practice the “near doubles” addition strategy to solve addition problems to 20.
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Math Work Mats
Practice working on specific math concepts with our set of 5 work mats for students.
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Dinosaur Math - Addition and Subtraction (Version 2)
Solve the addition and subtraction number sentences to color the dinosaur.
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Rearranging Parts – Worksheet
Rearrange the parts of a sum to form new number sentences with this worksheet.
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Making 10 Number Bonds - Worksheet
A worksheet to practice the addition strategy of making 10.
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Counting On Bingo
Engage your students with a whole class bingo game while using the counting-on strategy to add within 20.
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Addition Strategies: Using Doubles Worksheet
Practice the “using doubles” addition strategy to solve addition problems to 20.
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Ten is a Match! - Memory-Style Game
Practice matching two numbers that add up to 10 with this set of 24 number cards.
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Change It! – Rearranging Parts Activity
Practice rearranging the parts of whole numbers into different combinations with this math activity.
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Math Warm-Ups Interactive PowerPoint - Grade 1
A PowerPoint providing a series of warm-up activities for Grade 1 students across the mathematics curriculum.
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Build It! Decomposing Numbers – Task Cards
Practice decomposing numbers with this activity that has students splitting numbers into parts.
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Doubles - Number Facts Board Game
A fun, hands-on game students can play to practice the doubles addition strategy.
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Mental Math Addition Posters
Use this set of addition posters in your classroom when teaching different mental math strategies.
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Taking From 10 - Number Facts Board Game
A fun, hands-on game students can play to practice the 'Taking from 10' subtraction strategy.
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Doubles Subtraction - Number Facts Board Game
A fun, hands-on game students can play to practice the subtraction strategy 'Doubles Subtraction'.
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Near Doubles - Number Facts Board Game
A fun, hands-on game students can play to practice the 'Near Doubles' addition strategy.
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Addition and Subtraction Work Mat
Practice addition and subtraction concepts with this work mat for students.
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Doubles Plus 1 - Game Boards
30 game boards to use when practicing the doubles plus one strategy with single and double-digit numbers.
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Back to School Supply Shopping Task - Primary Grades
Calculate the cost of school supplies and answer questions with this back-to-school math activity.
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Friends of 20 – Addition Match-up Activity
A set of 40 matching cards to explore the number combinations of 20.
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Counting On with Number Bonds – Worksheet
Begin from the larger number and count on to find the total with this worksheet.
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Fact Family Find and Flip - Addition and Subtraction Up to 20
Addition and subtraction game cards demonstrating the relationship between fact families.
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Counting On – Word Problem Worksheet
Practice adding within 20 by using the counting on strategy to solve word problems.
