Classroom printables, activities & worksheets
Composing and Decomposing Numbers Teaching Resources
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resources for those 'aha' moments
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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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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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Touchdown Throwdown Number Recognition Game
Win the number recognition championship with a football-themed partner game!
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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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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 a sum to form new number sentences with this worksheet.
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Making 10 – Worksheet
Practice the addition strategy of making ten with this math worksheet.
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Counting On with Number Bonds – Worksheet
Begin from the larger number and count on to find the total 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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Number Forms Base Ten Worksheet
A worksheet to practice place value of 3-digit numbers.
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Number Talks - Place Value Task Cards
Build number sense skills with this set of 24 task cards.
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Roll It, Make It, Expand It! - Place Value Worksheet
A worksheet for students to use when learning to write two-digit numbers in expanded form.
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Number Talks - Division Strategies Task Cards
Build number sense skills with this set of 24 task cards.
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Number Talks - Target Number Task Cards
Build number sense skills with this set of 20 task cards.
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Base-10 Blocks - Pictorial Model Cards
A set of base-10 block cards to compose and decompose numbers, including decimals.
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Place Value Spin
A fun place value activity for students to use in the classroom when identifying the number of 'tens' and 'ones' in two-digit numbers.
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Decomposing Numbers – Matchup Activity
A set of decomposing number cards to create number sentences when grouping in tens and ones.
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Decomposing 3-Digit Numbers - Match-Up Cards
A set of decomposing 3-digit number cards to help students identify the place value of hundreds, tens, and ones.
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Number Talks - Multiplication Facts Task Cards
Build multiplication fact fluency with this set of 24 task cards.
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Number Talks - Number Sense Task Cards
Build number sense skills with this set of 24 task cards.
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Number Talks - Place Value Task Cards
Build number sense skills with this set of 32 place value task cards.
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Number Talks - Balancing Equations Task Cards
Build number sense skills with this set of 40 task cards.
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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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Number Talks - Double Digit Subtraction Task Cards
Build number sense skills with this set of 24 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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Number Talks - How Many Task Cards
Build number sense skills with this set of 24 task cards.
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Number Talks - Building Numbers Task Cards
Build number sense skills with this set of 24 task cards.
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Number Talks - Multiplication Strategies Task Cards
Build number sense skills with this set of 24 task cards.
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Number Talks - Three-Digit Addition Task Cards
Build number sense skills with this set of 24 task cards.
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Number Talks - Double Digit Multiplication Task Cards
Build number sense skills with this set of 24 task cards.