Switch the addends — page 1
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Practice question

  1. Complete: 4 + 9 = 9 + ___. 4 + 9 = 9 + ___

See the preview for diagrams, answer spaces, and the complete layout.

Common Core connections

Source labels: 1.OA.B.3–4. Review the learning goals below to check the fit for your class.

  • 1.OA.B.3 — Apply commutative and associative properties
  • 1.OA.B.4 — Understand subtraction as an unknown addend

Bring it into your lesson

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