Find the missing number: 12 x 99 = 12 x 100 - 12 x ___

1. 99 = 100 - 1, so by the distributive property 12 x 99 = 12 x 100 - 12 x 1 = 1200 - 12 = 1188. The blank is 1.

Find the missing number: $12 \times 99 = 12 \times 100 - 12 x$ ___

Class 6Properties of Whole NumbersWhole Numbers

99 = 100 - 1, so by the distributive property

12 \times 99 = 12 \times 100 - 12 \times 1 = 1200 - 12 = 1188

. The blank is 1.

Answer: C) 1

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