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Answer Key

Grade 3 · Mind Stretch

  1. 1. Find the Sum: 18 · 8 · 12
  2. 2. Shape Sums: 🔺 = 9, ⭐ = 3 · ❤️ = 2, 🟣 = 1
  3. 3. Mystery Number: 62 · 32
  4. 4. Place Value: 100 · 300 · 900 · 400 · 0