Problem 5 · 2021 Math Kangaroo
Easy
Arithmetic & Operations
Spatial & Visual Reasoning
spatial-reasoningorder-of-operations
When the 5 pieces shown are fitted together correctly, the result is a rectangle with a calculation written on it. What is the answer to this calculation?
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Answer: A — −100
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Hint 1 of 2
Fit the jigsaw pieces into a rectangle so the symbols line up into a single calculation.
Still stuck? Show hint 2 →
Hint 2 of 2
Once assembled it reads a short arithmetic expression — just evaluate it.
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Approach: assemble the pieces into the expression and compute
- The five pieces fit together to spell out a calculation using the digits 2, 0, 2, 1 and a minus sign.
- Assembled, the expression evaluates to −100.
- So the answer is A.
Mark:
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