Math 1.3(E)
explain strategies used to solve addition and subtraction problems up to 20 using spoken words, objects, pictorial models, and number sentences; and
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Christmas Math Worksheets - Sums to 12 Activity
Practice finding number bonds and sums to 12 using printable Christmas Math worksheets for first grade.
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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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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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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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Subtraction within 20 – Number Bond Worksheet
Practice subtraction strategies, including number bonds and picture models, with a printable subtraction 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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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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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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Making Ten Activity
Practice making 10 using objects, pictorial models, and number sentences with this activity mat.
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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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Number Talks - Fluency to 20 Task Cards
Build number sense skills with this set of 24 task cards.
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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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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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Addition Strategy: Counting On – Worksheet
Practice the “counting on” addition strategy to solve addition problems to 20.
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Printable Ten Frames (Single and Double)
Introduce these printable ten frames to your students to promote number sense with hands-on learning.
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1st Grade Halloween Addition Game - Roll-a-Potion
Roll and add to create a magic potion, then draw it in the cauldron with a printable Halloween game.
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Halloween Addition Worksheet
Count on to solve spooky addition problems in this 2-page Halloween Addition Worksheet.
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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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Addition within 20 Interactive Resource
Practice solving one-digit and two-digit addition problems using a variety of addition strategies with this interactive activity.
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Addition Strategies Cheat Sheet
Help students understand the different addition strategies with this helpful cheat sheet.
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Making Monsters Subtraction - Halloween Math Worksheet
Have some spooky subtraction fun with three differentiated Halloween subtraction worksheets.
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Basic Subtraction Word Problems - Worksheet
Solve subtraction word problems by drawing picture models with a printable subtraction worksheet.
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Number Bonds Subtraction - Worksheet
Practice subtraction using number bonds with differentiated number bond worksheets.
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Basketball Mystery Grid - Addition to 20
Practice adding single-digit numbers up to twenty with a basketball-themed color-by-number worksheet.
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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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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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Addition Match-Up Puzzles
A set of 15 match-up cards to scaffold work with addition word problems.
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Addition Strategy - Counting On Worksheet
Solve addition problems in this 2-page Counting On Addition Worksheet.
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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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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 - Star Matchup Cards
A set of matchup cards to practice adding within 20.
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One More & Less Worksheet - Thanksgiving Math
Help your students practice finding one more and one less than a number with a printable Thanksgiving One More & Less worksheet.