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Common Core State Standards
Add and subtract within 20
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32 of 108 teaching
resources for those 'aha' moments
teaching resource
Addition and Subtraction Fact Families Teaching Presentation
Use this 19-slide editable slide deck when introducing addition and subtraction fact families to your students.
teaching resource
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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Grade 2 Daily Warm-Up – PowerPoint 3
A 71-slide PowerPoint presentation containing a variety of quick warm-up activities.
teaching resource
Compensation Strategy for Subtraction – Interactive PowerPoint
A 16-slide, editable PowerPoint that focuses on the compensation strategy for subtraction.
teaching resource
Grade 2 Daily Warm-Up - PowerPoint 4
Warm-up your students' brains each day with this 68-slide PowerPoint containing a variety of quick activities.
teaching resource
Double Dinos - Using Doubles Facts to Add Near Doubles Worksheet
Practice the “near doubles” addition strategy to solve addition problems to 20.
teaching resource
Grade 2 Daily Warm-Up – PowerPoint 1
A 78-slide PowerPoint presentation containing a variety of quick warm-up activities.
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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.
teaching resource
Grade 2 Daily Warm-Up – PowerPoint 2
A 73-slide PowerPoint presentation containing a variety of quick warm-up activities.
teaching resource
Mental Math Subtraction Posters
Use this set of subtraction posters in your classroom when teaching different mental math strategies.
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Subtraction Bingo (Single and Double-Digit Numbers)
32 different bingo cards to practice subtracting single and double digit numbers mentally.
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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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Number Talks - Ten Frame Task Cards
Build number sense skills with this set of 30 ten and double ten frame task cards.
teaching resource
Compensation Strategy Interactive PowerPoint
A 21-slide, editable teaching presentation focusing on the compensation addition strategy.
teaching resource
Doubles Plus One - Worksheet
A worksheet to help students practice the doubles plus one addition strategy.
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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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Mental Math Addition Posters
Use this set of addition posters in your classroom when teaching different mental math strategies.
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Football Tarsia Puzzle - 2 Digit Addition
Print and assemble a football-themed tarsia puzzle to use when practicing two-digit addition skills.
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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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Math Mazes – Making Ten
A set of mazes where students find missing addends to solve the maze.
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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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Addition Match-Up Puzzles
A set of 15 match-up cards to scaffold work with addition word problems.
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The Mathematical Easter Egg Hunt
A differentiated Easter egg hunt activity for mathematics.
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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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Friends of 10 - Addition Match-up Activity
A set of 22 matching cards to explore the number combinations of 10.
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Color by Number – Repeated Addition and Multiplication
An engaging activity for students to connect repeated addition with multiplication.
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Making 10 - Number Facts Board Game
A fun, hands-on game students can play to practice the 'Making 10' addition strategy.
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Hundreds Chart Mystery Picture - Subtraction Task Cards
A set of 32 activity task cards to use when learning to subtract single and double-digit numbers.
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Number Talks - Balancing Equations Task Cards
Build number sense skills with this set of 40 task cards.
teaching resource
Doubles Plus 1 - Game Boards
30 game boards to use when practicing the doubles plus one strategy with single and double-digit numbers.
