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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Making 10 Number Bonds - Worksheet
A worksheet to practice the addition strategy of making 10.
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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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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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Addition Strategy: Counting On – Worksheet
Practice the “counting on” addition strategy to solve addition problems to 20.
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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.
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Hide-a-Turkey Kindergarten Math Worksheet
Hide the turkeys and practice sums to ten with a fun Thanksgiving math worksheet for Kindergarten.
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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 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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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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Subtraction Fact Fluency Assessments
Assess and track subtraction fact fluency with a printable Math Fact Fluency program for subtraction facts.
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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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Find 20 Addition Strategy Task Cards
Practice finding 20 with this set of linking cube task cards.
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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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Making Monsters Subtraction - Halloween Math Worksheet
Have some spooky subtraction fun with three differentiated Halloween subtraction worksheets.
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Adding and Subtracting Within 10 - Word Problem Task Cards
Solve word problems practicing addition and subtraction to ten with a set of printable task cards.
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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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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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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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Ten Frame Printable Templates
Use these printable ten frames in various math lessons to reinforce number sense and other essential skills.
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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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Addition Strategies Cheat Sheet
Help students understand the different addition strategies with this helpful cheat sheet.
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Pizza-Themed Near Doubles Task Cards
Practice quick recall of near doubles facts with this cute pizza-themed task cards activity.
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Bar Model Subtraction - Math Color By Number Worksheet
Bring a bit of spooky math fun into the classroom with a Halloween color by number worksheet focused on subtraction using a bar model.
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Number Bond Subtraction - Task Cards
Boost subtraction skills with printable subtraction number bonds 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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Exploring Subtraction Strategies Instructional Slide Deck
Explore and teach multiple subtraction strategies with an instructional slide deck
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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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Number Bonds Subtraction - Worksheet
Practice subtraction using number bonds with differentiated number bond worksheets.
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Counting On Cover Up Game
Practice the counting-on strategy with this engaging cover-the-board game.
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Counting On – Instructional Slide Deck
Introduce the early addition concept of “counting on” to your students with this set of teaching slides.