Understand and apply properties of operations and the relationship between addition and subtraction
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Christmas Color-By-Addition-Fact Worksheets
Boost addition skills and bring a bit of Christmas magic into the classroom with Christmas color-by-number addition worksheets.
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Addition to 20 Activity - Winter Math Puzzle for 1st Grade
Practice addition facts up to 20 with a printable winter math puzzle for kindergarten and first-grade students.
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Fact Family Math Blast Off - Addition and Subtraction
Demonstrate an understanding of addition and subtraction fact families with a fun cut and sort activity.
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Christmas Math Worksheets - Addition and Subtraction Mazes
Navigate these Christmas math mazes with addition and subtraction facts to keep those minds active!
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Making 10 Number Bonds - Worksheet
A worksheet to practice the addition strategy of making 10.
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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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Subtraction with Ten Frames - Worksheet
Model and subtract numbers to twenty using ten frames with a handy ten-frame subtraction 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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Color by Number Addition and Subtraction Worksheets
Combine math and art with our color by number addition and subtraction worksheets that feature problems with solutions up to 20.
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Missing Addend to 10 Flashcards
Practice all the ways to make ten with this set of flashcards.
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Think Addition - Fact Family Worksheets
Use addition to solve subtraction problems with this worksheet.
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Math Graphic Organizers - Printable Work Mats
Practice working on specific math concepts with our set of 5 printable math graphic organizers.
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Counting On – Word Problem Worksheet
Practice adding within 20 by using the counting on strategy to solve word problems.
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Decomposing Numbers – Word Problem Worksheet
Challenge students to decompose numbers presented in a word problem by rearranging the parts and showing different combinations.
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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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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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Change It! – Addition to 20 Hands-On Activity
Practice addition to 20 by rearranging the parts of whole numbers into different combinations with this hands-on math activity.
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Part Part Whole — Hands-On Activity Mat
Use this hands-on addition and subtraction part part whole activity mat in your next guided math group lesson!
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Making Ten Activity
Practice making 10 using objects, pictorial models, and number sentences with this activity mat.
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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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Number Talks - Making Ten Task Cards
Build number sense skills with this set of 20 task cards.
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Subtraction Strategies - Ten Frame Printable Bingo Game
Practice using ten frames to subtract single-digit numbers in a whole class bingo game.
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Addition and Subtraction Fact Families Teaching Presentation
Use this 19-slide editable slide deck when introducing addition and subtraction fact families to your students.
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Counting On Bingo
Engage your students with a whole class bingo game while using the counting-on strategy to add within 20.
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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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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 Up To 20 - Owl Matchup Cards
A set of matchup cards to practice adding within 20.
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Addition Up To 20 - Monster Matchup Cards
A set of matchup cards to practice adding within 20.
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Addition Strategy: Counting On – Worksheet
Practice the “counting on” addition strategy to solve addition problems to 20.
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Combinations of 10 and 20 Posters
Easily recognize combinations of 10 and combinations of 20 with this visual poster set.
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Feed the Pumpkins - 1st Grade Subtraction Worksheet
Feed the pumpkins and practice subtraction to twenty with a Halloween subtraction worksheet.
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Making Monsters Subtraction - Halloween Math Worksheet
Have some spooky subtraction fun with three differentiated Halloween subtraction worksheets.