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

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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: