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IMAS 2020 — Middle Primary Grades 3–4 — Round 1 Question 7

IMAS · IMAS 2020 — Middle Primary Grades 3–4 — Round 1

Question 7

Jack miscalculated $25\times48$ as $25\times4\times8$. Which of the following operations must he select in order to arrive at the correct answer?
  1. Divide by 4
  2. Divide by 8
  3. Multiply by 2
  4. Add 100
  5. Multiply by $ \frac{3}{2} $