Problem 1 · 2020 Math Kangaroo
Easy
Spatial & Visual Reasoning
sequence-of-figures
A mushroom grows a little bigger every day. Over five days Maria took a photo of this mushroom, but she put the photos in the wrong order (see picture). Which order of the photos shows the mushroom growing, from left to right?

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Answer: A — 2-5-3-1-4
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Hint 1 of 2
A mushroom only gets bigger from one day to the next, so order the photos from smallest cap to largest cap.
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Hint 2 of 2
Find the tiniest mushroom and read the labels in growing order.
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Approach: order the photos from smallest to largest mushroom
- The mushroom grows every day, so the correct order goes from the smallest cap to the biggest, fully opened cap.
- Reading the photo labels from smallest to largest gives the sequence in choice A: 2-5-3-1-4.
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