Subtraction As An Unknown Addend | First Grade Math Centers

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Simply Creative Teaching
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26 pages
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My kids are loving these math centers! They completely align to the standard and a must purchase. I've been teaching this standard for year and this is my new favorite!
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Practice first grade subtraction as an unknown addend with these math centers! Students will learn to solve subtraction problems using addition. These math centers consist of matching activities, puzzles, and more!

Included are 4 different math centers for subtraction as unknown addends:

  1. Swinging Subtraction: Students will complete a matching activity to match subtraction problems with unknown addend problems.
  2. Unknown Addend Puzzles: Students will complete two different puzzles to match subtraction problems with unknown addend problems.
  3. Cactus Cards: Students will use clip cards/task cards to complete subtraction problems/unknown addend problems.
  4. Road Trip Subtraction: Students will use these puzzles to match the subtraction problem, unknown addend, and missing number.

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26 pages
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to see state-specific standards (only available in the US).
Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the number that makes 10 when added to 8.


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