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
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
Compensation Strategy for Subtraction – Interactive PowerPoint
A 16-slide, editable PowerPoint that focuses on the compensation strategy for subtraction.
teaching resource
Friends of 10 - Addition Match-up Activity
A set of 22 matching cards to explore the number combinations of 10.
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Addition and Subtraction Fact Families PowerPoint
A 19-page editable PowerPoint to use in the classroom when introducing addition and subtraction fact families.
teaching resource
Jump Strategy for Subtraction – Interactive PowerPoint
An 11-slide, editable teaching presentation that focuses on the jump strategy.
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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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Mental Math Subtraction Posters
Use this set of subtraction posters in your classroom when teaching different mental math strategies.
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Missing Part Path
A worksheet to use when learning about various subtraction strategies.
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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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Near Doubles - Number Facts Board Game
A fun, hands-on game students can play to practice the 'Near Doubles' addition strategy.
teaching resource
Compensation Strategy Interactive PowerPoint
A 21-slide, editable teaching presentation focusing on the compensation addition strategy.
teaching resource
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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Daily Math Word Problems - Grade 2 (Worksheets)
A set of 20 problem-solving questions suited for Grade 2 students.
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Adding 2-Digit Numbers - Fall Math Task Cards
Celebrate the coming of Autumn and practice adding 2-digit numbers with this set of 18 task cards.
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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 - Ten Frame Task Cards
Build number sense skills with this set of 30 ten and double ten frame task cards.
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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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Addition Strategies Worksheet
A worksheet to use when reviewing different addition strategies.
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Make Two Math Machine Worksheet
A worksheet to use when practicing algebraic reasoning.
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Trade It Board Game
A fun, hands-on board game to play in groups when learning to solve subtraction equations that require regrouping.
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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 Plus One - Worksheet
A worksheet to help students practice the doubles plus one addition strategy.
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Doubles Minus 1 - Game Boards
30 game boards to use when practicing the doubles minus one strategy with single and double-digit numbers.
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Doubles Plus One - Grid Game
A fun game to help students practice the doubles plus one addition 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'.
teaching resource
Addition Bingo (Single and Double-Digit Numbers)
32 different bingo cards to practice adding single and double digit numbers mentally.
teaching resource
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.
teaching resource
Making 10 - Number Facts Board Game
A fun, hands-on game students can play to practice the 'Making 10' addition strategy.
teaching resource
Doubles - Number Facts Board Game
A fun, hands-on game students can play to practice the doubles addition strategy.
