Common Core State Standards
CCSS.MATH.CONTENT.1.OA.B.3
Apply properties of operations as strategies to add and subtract.2 Examples: If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.)
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resources for those 'aha' moments
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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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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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Counting On: Addition Strategy Worksheet
Practice the “counting on” addition strategy to solve addition problems to 20.
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Addition Strategies: Using Doubles Worksheet
Practice the “using doubles” addition strategy to solve addition problems to 20.
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Addition Strategies: Make a Ten Worksheet
A 2-page worksheet that uses ten frames to model the “making ten” addition strategy.
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Addition Strategies: Base-Ten Blocks Worksheet
Practice using the strategy of using base-10 blocks and regrouping to find the sum.
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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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Addition Strategy - Decompose, Then Make 10 Worksheet
Build addition strategies using digits 1-10 with this two-page decomposing numbers worksheet.
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Addition Strategy - Counting On Worksheet
Solve addition problems in this 2-page Counting On Addition Worksheet.
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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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Adding and Subtracting Within 10 - Word Problem Task Cards
A set of 16 task cards that include word problems practicing addition and subtraction with 10.
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Word Problem Task Cards: Addition and Subtraction Within 10
Practice addition and subtraction within 10 with this set of 18 word problem task cards.
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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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Making 10 Number Bonds - Worksheet
A worksheet to practice the addition strategy of making 10.
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Ten Frame Mats (Single and Double)
A ten frame mat and a double ten frame mat to use in a variety of ways.
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Missing Addend to 10 - Flashcards
A set of flashcards to use when working with the addition strategy 'Making Ten'.
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Making Ten Activity
An activity to practice making 10 using objects, pictorial models, and number sentences.
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Math Warm-Ups Interactive PowerPoint - Grade 1
A PowerPoint providing a series of warm-up activities for Grade 1 students across the mathematics curriculum.
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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 - Double Digit Addition Task Cards
Build number sense skills with this set of 24 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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Light Box Insert: Rainbow Fact Flip
A light box insert to use in your light box when teaching about the strategy 'Making 10'.
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Number Matching Puzzle – Addition
A hands-on game to play when learning about adding larger numbers.
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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.
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Fact Family Rocket Blast Off - Blank Version
A sorting activity to demonstrate an understanding of fact families.
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Fact Family Rocket Blast Off - Addition and Subtraction Fill and Sort
A fill and sort activity to demonstrate an understanding of addition and subtraction fact families.
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Fact Family Rocket Blast Off - Addition and Subtraction Sort
A sorting activity to demonstrate an understanding of addition and subtraction fact families.
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Ladybug Addition and Subtraction Activity
A fun and simple adding and subtracting activity.
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Mental Math Addition Posters
9 posters outlining mental math strategies for addition.
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Math Brainteasers - Lower Grades
A set of 10 fun brainteasers for your students in lower grades.
