Question

A student answered this story problem. Use estimation to check the student's answer. Lizzie has $49. Her older sister has $184. How much money do they have altogether? Student's answer: They have a total of $233. Which estimate is correct and was the student's answer reasonable?

Answer 1

Answer:No the student was not right.Neither of the estimations were right because she did not estimate at al.

Explanation:

1.Round 49 to the nearest ten: 50.

2.Round 184 to the nearest ten:180.

3.Add 50+180 to get 230.

The student was not right because she did not estimate 49 nor 184.