NAME ______________________________ DATE _______________

ACTIVITY

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Addition Starter Problems

For each problem below, three different ways to start are shown. Solve each start. Then choose one of the starts and use it to solve the rest of the problem.

• 1 Problem: 315 + 566 = _______________

  315 + 500 = _______________

  300 + 500 = _______________

  300 + 566 = _______________

• 2 Problem: 288 + 456 = _______________

  288 + 400 = _______________

  200 + 400 = _______________

  300 + 456 = _______________

• 3 Problem: 597 + 375 = _______________

  597 + 300 = _______________

  500 + 300 = _______________

  600 + 372 = _______________

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