This task is from Tools 4 NC Teachers. Students evaluate two multiplication expressions and compare the products. This is remixable.

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Matt and Susan are looking at the following problem:

 How does the product of 60 x 345 compare to the product of 30 x 345?

 Susan says she can compare these products without multiplying the numbers out. Explain how she might do this. Draw a picture or pictures to illustrate your explanation.