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!