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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Addition Strategies Cheat Sheet
Help students understand the different addition strategies with this helpful cheat sheet.
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Addition Strategy - Counting On Worksheet
Solve addition problems in this 2-page Counting On Addition Worksheet.
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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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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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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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Basic Subtraction Word Problems - Worksheet
Solve subtraction word problems by drawing picture models with a printable subtraction worksheet.
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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: Make a Ten Worksheet
A 2-page worksheet that uses ten frames to model the “making ten” addition strategy.
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Number Chart – 1-20
A bright number chart representing numbers 1-20.
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Making 10 Number Bonds - Worksheet
A worksheet to practice the addition strategy of making 10.
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Picture Addition Worksheet
A worksheet to practice the addition strategy of counting on.
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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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Making Ten Activity
Practice making 10 using objects, pictorial models, and number sentences with this activity mat.
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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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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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Number Talks - Making Ten Task Cards
Build number sense skills with this set of 20 task cards.
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Subtraction Using Picture Models Worksheet
Practice subtracting numbers to 12 using 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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Addition and Subtraction on a Number Line - Superhero Math Activity
Fly through addition and subtraction on a number line with an exciting Number Line Hero task card activity.
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Lucky's Loot - Digital St. Patrick's Day Math Activity
Save time lesson planning with a St. Patrick's Day Digital Math Activity that reviews multiple math concepts at once!
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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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St. Patrick's Day Digital Centers
Celebrate St. Patrick’s Day with a digital math and literacy activity deck.
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Rainbow Number Bonds - Math Game
Practice number bonds with this fun rainbow-themed hands-on activity.
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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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Math Brain Teasers – Primary Grades
Challenge your first and second-grade students to solve these brain teasers with a set of 10 math word problems.
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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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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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Number Chart – 1-50
A bright number chart representing numbers 1-50.
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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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Rainbow Numbers Worksheet
A worksheet using rainbow numbers.
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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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One More, One Less - Thanksgiving Math Worksheet
Help your students practice finding one more and one less than a number with a printable Thanksgiving One More, One Less worksheet.