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Multiplying Decimals to Make a Whole Number Product

Directions: Using the digits 1 to 9, at most one time each, fill in the boxes to make a whole number product.

Hint

Hint

How can we tell if it is even possible to make a whole number product?
What digits would be better or worse choices for making a whole number product?

Answer

Answer

The one known answer so far is 9.6 x 8.75 which has a product of 84.

Source: Owen Kaplinsky

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2 comments

  1. another one… 9.6 x 1.25 = 12

  2. Thanks! I’ll add it to the answer key.

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