Challenge Countdown for beginners

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3 Ratings
141 Downloads 199 Views Updated: Thursday, July 14, 2016 - 6:43am
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<p>Timed mental arithmetic PowerPoints with a visible 10 second countdown leading to one answer. </p>

Reviews

February 2020
Thanks kids love this type of challenge.
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July 2016
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January 2016
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June 2009
You have saved me so much time