Question

Use estimation to check the answer to this story problem.

Mrs. Victorino needed 765 yards of yarn for each sweater she was knitting. She planned to make 11 sweaters for her grandchildren. How much yarn should Mrs. Victorino buy?

A student answered that Mrs. Victorino needed 9,818 yards of yarn for the sweaters.

Which statement about the student's estimation is correct?

A.
The answer should be about 80 yards. The student's answer is not correct.

B.
The answer should be about 800 yards. The student's answer is not correct.

C.
The answer should be about 8,000 yards. The student's answer is not correct.

D.
The answer should be about 10,000 yards. The student's answer is close to the estimated answer.

Answer 1

c.The answer should be about 8,000 yards. The student's answer is not correct. because 765*11=8415

Answer 2

Here, the answer would be: 765 * 11 = 8415 [ About 8 thousands ]

In short, Your Answer would be Option C) The answer should be about 8,000 yards. The student's answer is not correct.

Hope this helps!