Add and subtract within 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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Ten Frame Mats (Single and Double)
Explore numbers to ten and beyond with this printable tens frame template.
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Tens Frame - Addition and Subtraction Match-Up Activity
Build addition and subtraction skills with two tens frame matching games.
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Friends of 10 Addition Poster Bundle
Print the ultimate Friends of 10 poster bundle with 10 printable classroom posters designed to show students how different combinations of numbers connect to make the same number.
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Making Ten Activity
Practice making 10 using objects, pictorial models, and number sentences with this activity mat.
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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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Doubles Plus One - Worksheet
Practice the doubles plus one addition strategy with this one-page worksheet.
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Subtraction Fact Fluency Assessments
Assess and track subtraction fact fluency with a printable Math Fact Fluency program for subtraction facts.
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Addition Strategies Cheat Sheet
Help students understand the different addition strategies with this helpful cheat sheet.
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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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Open-Ended Math Problem Solving - Grades 1, 2, and 3 (PowerPoint Version)
A PowerPoint with 20 open-ended problem solving questions covering a range of mathematical concepts.
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Find 20 Addition Strategy Task Cards
Practice finding 20 with this set of linking cube task cards.
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Number Talks - Making Ten Task Cards
Build number sense skills with this set of 20 task cards.
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Counting Backwards to Subtract - Number Fact Board Game
Practice subtracting by counting backwards with a pair of printable subtraction games.
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Think Addition - Fact Family Worksheets
Use addition to solve subtraction problems with this worksheet.
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Counting On – Word Problem Worksheet
Practice adding within 20 by using the counting on strategy to solve word problems.
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Making Ten Memory Game
Practice making ten using ten frames with this fun memory game.
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Fall Math - Addition to 10 Task Cards
Practice addition up to 10 with this set of 20 fall-themed task cards.
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Addition Strategies: Using Doubles Worksheet
Practice the doubles addition strategy to solve addition problems to 20.
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Addition to 10 Modeling Mats
Familiarize students with adding single-digit numbers using this set of practice mats.
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Making 10 Number Bonds - Worksheet
A worksheet to practice the addition strategy of making 10.
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Addition Strategy - Counting On Worksheet
Solve addition problems in this 2-page Counting On Addition Worksheet.
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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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Number Talks - Fluency to 20 Task Cards
Build number sense skills with this set of 24 task cards.
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Number Talks - Balancing Equations Task Cards
Build number sense skills with this set of 40 task cards.
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Number Talks - Target Number Task Cards
Build number sense skills with this set of 20 task cards.
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Number Talks - Subitizing Task Cards
Build number sense skills with this set of 30 subitizing task cards.
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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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Addition Fact Timed Tests & Trackers
Assess and track addition fact fluency with a printable Math Drill Worksheet pack for addition facts.
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Combinations of 10 and 20 Posters
Easily recognize combinations of 10 and combinations of 20 with this visual poster set.
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Addition to 20 Activity - Winter Math Puzzle for 1st Grade
Practice addition facts up to 20 with a printable winter math puzzle for kindergarten and first-grade students.
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Feed the Pumpkins - 1st Grade Subtraction Worksheet
Feed the pumpkins and practice subtraction to twenty with a Halloween subtraction worksheet.