Common Core State Standards
CCSS.Math.Practice.MP1 Make sense of problems and persevere in solving them.
CCSS.Math.Practice.MP8 Look for and express regularity in repeated reasoning.

How Smart Are You Instructions

The spacemen have discovered a new planet and landed on it. Seems that there was a civilization here, but now the planet is abandoned. Will you be able to find out why the population of this place has been extinct?

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