Common Core State Standards
CCSS.MATH.CONTENT.2.OA.B.2
Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
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resources for those 'aha' moments
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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.
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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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Cover Up! - Addition Facts Game
Develop a love of addition facts with this multiplayer Valentine’s Day board game.
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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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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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Subtraction Strategies Using Addition Worksheet
Use addition to solve subtraction problems with this worksheet.
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Missing Addend Picture Puzzle – Level 1
Solve the missing addition sentence by matching the addend with its equation, completing the puzzle.
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Decorate a Pumpkin - Halloween Game
Practice finding sums up to 12 with this fun Halloween pumpkin game!
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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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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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Making Ten Cut and Paste Worksheet
A cut and paste worksheet to practice finding the missing addend when making ten.
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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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Addition Match-Up Puzzles
A set of 15 match-up cards to scaffold work with addition word problems.
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Add and Reveal PowerPoint – Addition Practice
A PowerPoint for students to interact with when practicing addition facts.
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The Mathematical Easter Egg Hunt
A differentiated Easter egg hunt activity for mathematics.
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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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Color by Number – Repeated Addition
An engaging activity to prepare students for understanding the concept of multiplication.
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Missing Part Path
A worksheet to use when learning about various subtraction strategies.
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Subtraction Strategies – Worksheet
A worksheet to use when assessing your students’ knowledge of subtraction strategies.
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Compatible Numbers for Subtraction – Interactive PowerPoint
A 13-slide, editable teaching presentation that focuses on using compatible numbers as a subtraction strategy.
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Decomposing to a Ten – Interactive PowerPoint
A 13-slide, editable teaching presentation focusing the decomposing to a ten subtraction strategy.
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Jump Strategy for Subtraction – Interactive PowerPoint
An 11-slide, editable teaching presentation that focuses on the jump strategy.
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Split Strategy for Subtraction – Interactive PowerPoint
An 11-slide, editable teaching presentation that focuses on the split strategy for subtraction.
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Compensation Strategy for Subtraction – Interactive PowerPoint
A 16-slide, editable PowerPoint that focuses on the compensation strategy for subtraction.
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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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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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Counting On 2 and 3 - Number Facts Board Game
A fun, hands-on game students can play to practice the 'Counting On 2 and 3' addition strategy.
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Counting Back 2 and 3 - Number Facts Board Game
A fun, hands-on game students can play to practice the 'Counting Back 2 and 3' subtraction strategy.
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Counting On 1 - Number Facts Board Game
A fun, hands-on game students can play to practice the 'Counting On 1' addition strategy.
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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.
