Understand and apply properties of operations and the relationship between addition and subtraction
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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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Subtraction Stew - Halloween Math Worksheet
Have some spooky subtraction fun with a Halloween picture-model subtraction worksheet.
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Number Bonds Worksheet - Cut and Paste
Practice subtraction up to twenty with a cut-and-paste number bond worksheet.
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Subtraction Made Easy: Counting Back on a Number Line — Printable Poster
Provide your students with a daily reminder of the subtraction on a number line strategy with a printable anchor chart.
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Numbers to 30 - Tens Frames - Printable
Use a printable ten frame when working on counting, addition and subtraction, odd and even numbers, or place value.
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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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Subtraction Strategies - Ten Frame Printable Bingo Game
Practice using ten frames to subtract single-digit numbers in a whole class bingo game.
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Subtraction within 20 - Color by Number Worksheet
Reveal the mystery picture by solving the subtraction problems with a color-by-number worksheet.
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Sunflower Subtraction Strategies Interactive
Practice using the ten-frame subtraction strategy with a fun self-checking interactive activity.
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Pirate's Plunder - Number Line Subtraction Game
Practice using the jump strategy for subtraction from 20 with an exciting pirate-themed math game.
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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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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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Change It! – Rearranging Parts Activity
Practice rearranging the parts of whole numbers into different combinations with this math activity.
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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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Rearranging Parts – Instructional Slide Deck
Learn how to decompose numbers less than or equal to 10 into pairs in more than one way with this instructional slide deck.
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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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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: Base-Ten Blocks Worksheet
Practice using the strategy of using base-10 blocks and regrouping to find the sum.
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Number Chart – 1-20
A bright number chart representing numbers 1-20.
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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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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.