Estimation of Addition and Subtraction by Rounding Off, Fourth Grade Math Test

Complete the test and get an award.

This math test is absolutely free and focused on fourth grade math. In this test, students must first round off the given numbers to the nearest whole number; then perform the required operation to produce an estimated result.
Question 1
Round off the numbers to nearest whole numbers then estimate the result of given operation:
2.667 + 1.201 =
Answer:
Question 2
Round off the numbers to nearest whole numbers then estimate the result of given operation:
4.709 - 1.992 =
Answer:
Question 3
Round off the numbers to nearest whole numbers then estimate the result of given operation:
5.141 - 1.834 =
Answer:
Question 4
Round off the numbers to nearest whole numbers then estimate the result of given operation:
6.892 + 2.373 =
Answer:
Question 5
Round off the numbers to nearest whole numbers then estimate the result of given operation:
10.095 - 3.419 =
Answer:
Question 6
Round off the numbers to nearest whole numbers then estimate the result of given operation:
8.724 + 2.287 =
Answer:
Question 7
Round off the numbers to nearest whole numbers then estimate the result of given operation:
12.174 + 3.698 =
Answer:
Question 8
Round off the numbers to nearest whole numbers then estimate the result of given operation:
13.989 - 5.358 =
Answer:
Question 9
Round off the numbers to nearest whole numbers then estimate the result of given operation:
17.765 + 12.750 =
Answer:
Question 10
Round off the numbers to nearest whole numbers then estimate the result of given operation:
15.372 - 12.134 =
Answer:

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