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Past Photos of the Week

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What am I, a pillow???

Hmmmm, maybe Fatso is just listening to Oreo's heart beating.
Oreo is resting, and his heart is beating 120 times a minute.
But when he scampers around the garden, his heart beats twice as fast!
How fast is that? (The answer is below.)


Think first. Then wave your mouse over the magic chalkboard for the answer.
If you can't see the answer, click here.


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Past Photos of the Week

last week's photo
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The photos and other content at Math Cats may not be used on any other website (or anywhere in the "real" world!).