Understand and apply properties of operations and the relationship between addition and subtraction
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Rainbow Number Fact Cards
Practice rainbow facts with these fun fact families to ten posters for your classroom!
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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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Math Warm-Ups Interactive PowerPoint - Grade 1
A PowerPoint providing a series of warm-up activities for Grade 1 students across the mathematics curriculum.
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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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Build It! Decomposing Numbers – Task Cards
Practice decomposing numbers with this activity that has students splitting numbers into parts.
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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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Counting On Cover Up Game
Practice the counting-on strategy with this engaging cover-the-board game.
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Rearranging Parts – Worksheet
Rearrange the parts of an addition problem to form new number sentences with this worksheet.
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Composing and Decomposing Numbers - Instructional Slide Deck
Introduce composing and decomposing numbers to your students with this instructional slide deck.
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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.
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Mental Math Addition Posters
Use this set of addition posters in your classroom when teaching different mental math strategies.
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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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Back to School Supply Shopping Task - Primary Grades
Calculate the cost of school supplies and answer questions with this back-to-school math activity.
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Addition Strategies: Using Doubles Worksheet
Practice the doubles addition strategy to solve addition problems to 20.
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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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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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Add and Reveal PowerPoint – Addition Practice
A PowerPoint for students to interact with when practicing addition facts.
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Number Chart – 1-20
A bright number chart representing numbers 1-20.
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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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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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Addition Up To 20 - Star Matchup Cards
A set of matchup cards to practice adding within 20.
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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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Ladybug Addition and Subtraction Activity
A fun and simple adding and subtracting activity.
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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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Picture Addition Worksheet
A worksheet to practice the addition strategy of counting on.
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Number Matching Puzzle – Addition
A hands-on game to play when learning about adding larger numbers.
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Number Talks Teaching Resource Pack - Grade 1
A collection of number talks teaching resources that support meaningful and highly engaging conversations in the mathematics classroom.