Question

Sue needed to place freshly baked cookies into boxes. Each box can hold one dozen cookies. She wanted to ESTIMATE how many packages she would need to use so that she could get the packages from the storage shelf. She had 249 cookies to package. She used the equation 240 divided by 12 and found that she needed about 20 boxes. What estimation strategy did Sue use? (A) Rounding Strategy (B) Compatible Numbers Strategy (C) Compensation Strategy

Answer 1

The answer is

B. Compatible Numbers Strategy

Explanation:

According to learnalberta "The compatible numbers strategy is a method of estimating computations by using "friendly" or "nice" numbers that can be easily calculated mentally. Compatible numbers can be used in estimating sums, differences, products and quotients."

So the closest number to 249 that can be divided by 12 is 240

240/12= 20