Casting Nines: A Quick Check for Math Computation

by Susan C. Anthony

Help students eliminate careless mistakes from their math papers with a simple method of checking that works with addition, subtraction, multiplication and division. Most students view casting nines as a game or puzzle, and check their work more carefully than ever before. This reproducible book will enable you to learn to cast nines right along with your students!

You will get a PDF (771KB) file.

$ 8.00

$ 8.00

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