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2016 Math Kangaroo

Problem 7

Problem 7 · 2016 Math Kangaroo Easy
Arithmetic & Operations division

Renate combines 555 little piles of 9 stones each into one big pile. Then she splits the big pile into little groups of 5 stones each. How many such groups does she get?

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Answer: A — 999
Show hints
Hint 1 of 2
Find the total number of stones first.
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Hint 2 of 2
Then split that total into groups of 5.
Show solution
Approach: total then divide
  1. The big pile has 555 × 9 = 4995 stones.
  2. Splitting into groups of 5 gives 4995 ÷ 5 = 999 groups.
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