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Dollar Signs
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In this activity, learners use number sense and mental math strategies to estimate the price of a sign.

Dueling Dice
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In this activity, learners explore probability with dice.

Estimation
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In this online activity, learners will explore size estimation in one, two and three dimensions. Multiple levels of difficulty allow for progressive skill improvement.

Just a Minute
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How much can you do in one minute? In this activity, learners estimate how many times a partner can complete a task (like writing their name or jumping jacks) in one minute.