The power of snails in pre-algebra

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How much do you think you could pull, if you were as strong as a snail? To investigate this, seventh grade students harnessed the power of snails (literally!) in pre-algebra. Each group hooked a land snail up to a paper cup which the snail would pull and the students would gradually fill with washers.

The goal is to find the maximum pulling strength of each snail, which students will compare (using ratio and percent) to the snail’s own body mass!