Common Core State Standards
Add and subtract within 20
32 of 107 teaching
resources for those 'aha' moments
teaching resource
Friends of 20 – Addition Match-up Activity
A set of 40 matching cards to explore the number combinations of 20.
teaching resource
Cover Up! - Addition Facts Game
Develop a love of addition facts with this multiplayer Valentine’s Day board game.
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
Counting On: Addition Strategy Worksheet
Practice the “counting on” addition strategy to solve addition problems to 20.
teaching resource
Addition Strategies: Using Doubles Worksheet
Practice the “using doubles” addition strategy to solve addition problems to 20.
teaching resource
Addition Strategies: Make a Ten Worksheet
A 2-page worksheet that uses ten frames to model the “making ten” addition strategy.
teaching resource
Addition Strategies: Base-Ten Blocks Worksheet
Practice using the strategy of using base-10 blocks and regrouping to find the sum.
teaching resource
Subtraction Strategies Using Addition Worksheet
Use addition to solve subtraction problems with this worksheet.
teaching resource
Missing Addend Picture Puzzle – Level 1
Solve the missing addition sentence by matching the addend with its equation, completing the puzzle.
teaching resource
Addition to 10 Task Cards
Practice addition up to 10 with this set of 20 fall-themed task cards.
teaching resource
Addition to 10 Modeling Mats
Familiarize students with adding single-digit numbers using this set of practice mats.
teaching resource
Addition Strategy - Decompose, Then Make 10 Worksheet
Build addition strategies using digits 1-10 with this two-page decomposing numbers worksheet.
teaching resource
Addition Strategy - Counting On Worksheet
Solve addition problems in this 2-page Counting On Addition Worksheet.
teaching resource
Decorate a Pumpkin - Halloween Game
Practice finding sums up to 12 with this fun Halloween pumpkin game!
teaching resource
Fact Family Find and Flip - Addition and Subtraction Up to 20
Addition and subtraction game cards demonstrating the relationship between fact families.
teaching resource
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
Making Ten Cut and Paste Worksheet
A cut and paste worksheet to practice finding the missing addend when making ten.
teaching resource
Add and Reveal PowerPoint – Addition Practice
A PowerPoint for students to interact with when practicing addition facts.
teaching resource
Making 10 Number Bonds - Worksheet
A worksheet to practice the addition strategy of making 10.
teaching resource
Making 10 Match-Up Activity
A set of match-up cards to practice the addition strategy Making 10.
teaching resource
Addition and Subtraction Work Mat
Practice addition and subtraction concepts with this work mat for students.
teaching resource
Ten Frame Mats (Single and Double)
A ten frame mat and a double ten frame mat to use in a variety of ways.
teaching resource
Taking From 10 - Number Facts Board Game
A fun, hands-on game students can play to practice the 'Taking from 10' subtraction strategy.
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
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.
teaching resource
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.
teaching resource
Counting On 1 - Number Facts Board Game
A fun, hands-on game students can play to practice the 'Counting On 1' addition strategy.
teaching resource
Near Doubles - Number Facts Board Game
A fun, hands-on game students can play to practice the 'Near Doubles' addition strategy.
