Subtract numbers on a number line in pre-algebra

Subtract numbers on a number line in pre-algebra

Lawrence Perez, from Saddleback College, and his assistant Charlie, give this pre-algebra lesson on subtracting numbers on a number line. You won't believe how easy math can actually be!

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Creator's Site: www.saddleback.edu/faculty/Lperez...
Curated By: rmansur

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