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Add tens to a number (23+30) — Homework

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Add tens to a number (23+30) — Homework

Solve each one, then check that the ones digit did not change.

  1. 1.34 + 20
  2. 2.47 + 30
  3. 3.12 + 50
  4. 4.26 + 40
  5. 5.Explain why 65 + 20 has a 5 in the ones place, just like 65.
🌲 Homeschool of the FutureFirst Grade · Math · week 16 homework