Add and subtract within 20
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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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Secret Code Number Line - Worksheet
Crack the number line code with five number line codebreaker worksheets to practice number identification, addition, and subtraction.
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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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Bridge to Ten Addition Strategy Task Cards
Help students quickly bridge to ten to assist with their addition strategies using linking cubes.
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Find 20 Addition Strategy Task Cards
Practice finding 20 with this set of linking cube task cards.
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Making 10 Number Bonds - Worksheet
A worksheet to practice the addition strategy of making 10.
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Subtract From 10 Board Game
Have a “blast” with this space-themed “Subtract From 10” board game that gives your students the practice they need with tens subtraction facts.
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Double Facts Math Charts - Addition Rhyme Posters
Help your students remember their doubles facts to twenty with a set of printable double facts addition rhyme posters.
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Addition Strategies Cheat Sheet
Help students understand the different addition strategies with this helpful cheat sheet.
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Bump! Subtraction to 10 Math Game
Practice subtraction facts to 10 with a fun printable subtraction board game.
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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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Roll, Add, and Color Christmas Math Worksheet
Roll into Christmas break with this addition coloring activity.
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Tens Frame - Addition and Subtraction Match-Up Activity
Build addition and subtraction skills with two tens frame matching games.
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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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Missing Addend to 10 Flashcards
Practice all the ways to make ten with this set of flashcards.
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Making Tens Subtraction Worksheet
Find friendly numbers to subtract with a printable subtraction worksheet.
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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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Addition Strategy - Counting On Worksheet
Solve addition problems in this 2-page Counting On Addition Worksheet.
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Subtraction Dog – Worksheet
Practice subtraction facts with this set of differentiated worksheets.
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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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Friends of 10 Addition Poster Bundle
Print the ultimate Friends of 10 poster bundle with 10 printable classroom posters designed to show students how different combinations of numbers connect to make the same number.
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Part Part Whole Word Problem Task Cards and Worksheet
Explore these animal-themed part-part-whole word problems that will open discussions with your young mathematicians.
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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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Making Ten Memory Game
Practice making ten using ten frames with this fun memory game.
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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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Making Ten Cut and Paste Worksheet
A cut and paste worksheet to practice finding the missing addend when making ten.
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Doubles Plus One - Worksheet
Practice the doubles plus one addition strategy with this one-page 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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Counting On Game
Engage your students with this fun and colorful counting on game that gives your students practice with the “counting on” addition strategy.