Pearson Algebra 1 Common Core, 2011
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Pearson Algebra 1 Common Core, 2011 View details
7. The Distributive Property
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Exercise 44 Page 50

Write 197 as a difference.

788

Practice makes perfect
To use mental math to multiply, we can rewrite 197 as a difference of 200-3 and then distribute 4 with the terms inside the parentheses.
4 * 197
4(200-3)
4(200)-4(3)
800-12
788
The product equals 788.