Category: Subtract Single Digits

Pick your favorite topic below. Read the opening, then solve the math together!

Crazy Circle

An optical illusion is a picture that looks different from what is really happening on paper. Pictures where straight lines look bent, or where totally

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Prairie Dog Party

Prairie dogs aren’t only cute animals that apparently like to munch on carrots. They’re also awesome underground architects, building tunnels and “towns” that are miles

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Dog Train

Lots of dogs love car rides, where they can stick their heads out the window and feel the breeze in their faces. But what about

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