# Number Magic Tricks

The Number Line: Rational Numbers and Football- In this interactive, students add and subtract plays on a football field to practice working with negative and positive integers on the number line. Each set of randomized drives consists of seven to nine plays and ends with a touchdown. Plays are represented with equations. When students place the football at the correct point for each play, the answer to the corresponding equation is automatically filled in.

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"That’s right, a lemon! I just cut it in half and use the actual lemon to scrub the hard water stains on any fixture. I’ve even used it to remove rust stains from a bobby pin I left sitting in the shower. Like I said, just rub the lemon on the fixture and rinse. The spots will magically disappear before your eyes and you’ll be left with this!"

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