Question

Carl wants to find the product
30
×
5
6
.
Which of the following best explains how he can find the product mentally?
Bot
Carl can find the product mentally by breaking down the numbers into easier to work with numbers. He can break 30 into 3 × 10 and 5 × 6 into 30. Then he can multiply 3 × 10 to get 30 and 30 × 30 to get 900. The product of 30 × 56 is 900.