Add, Subtract, and ALIEN!

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This space-based worksheet is fabulous practice for your mathletes! Junior astronauts will add and subtract within 100 on this worksheet. The problems are two-digit plus or minus one- or two-digit numbers (mostly two-digit with two-digit). There are eight problems on this page.

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This space-based worksheet is fabulous practice for your mathletes! Junior astronauts will add and subtract within 100 on this worksheet. The problems are two-digit plus or minus one- or two-digit numbers (mostly two-digit with two-digit). There are eight problems on this page.