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Answer Key

Grade 3 · Brain Warm-Up

  1. 1. Find the Sum: 18 · 15 · 45
  2. 2. Line It Up: 501 − 167 = 334 · 177 − 162 = 15 · 219 − 171 = 48 · 598 − 405 = 193
  3. 3. Hit the Target: 8 + 7 + 8 = 23 · 8 + 8 × 6 = 56 · 4 × 6 + 2 = 26 · 9 + 1 − 2 = 8
  4. 4. Round to the Nearest 10: 730 · 230 · 10 · 670 · 80 · 940