Name
Date

example
34
46
sum
Estimated Sum
30
50
80
Actual Sum
34
46
80
1
90
63
sum
Estimated Sum

Actual Sum

2
59
39
sum
Estimated Sum

Actual Sum

3
65
15
sum
Estimated Sum

Actual Sum

4
89
44
sum
Estimated Sum

Actual Sum

5
90
32
sum
Estimated Sum

Actual Sum

6
70
37
sum
Estimated Sum

Actual Sum

7
56
25
sum
Estimated Sum

Actual Sum

8
69
28
sum
Estimated Sum

Actual Sum

9
59
29
sum
Estimated Sum

Actual Sum

10
70
42
sum
Estimated Sum

Actual Sum

1
90
63
sum
Estimated Sum
90
60
150
Actual Sum
90
63
153
2
59
39
sum
Estimated Sum
60
40
100
Actual Sum
59
39
98
3
65
15
sum
Estimated Sum
70
20
90
Actual Sum
65
15
80
4
89
44
sum
Estimated Sum
90
40
130
Actual Sum
89
44
133
5
90
32
sum
Estimated Sum
90
30
120
Actual Sum
90
32
122
6
70
37
sum
Estimated Sum
70
40
110
Actual Sum
70
37
107
7
56
25
sum
Estimated Sum
60
30
90
Actual Sum
56
25
81
8
69
28
sum
Estimated Sum
70
30
100
Actual Sum
69
28
97
9
59
29
sum
Estimated Sum
60
30
90
Actual Sum
59
29
88
10
70
42
sum
Estimated Sum
70
40
110
Actual Sum
70
42
112

# Worksheet for Estimate the Sum by Nearest Ten

Estimated sum of 2-digit numbers addition by rounding to the nearest ten worksheet with answers to practice & learn 3rd grade math problems on estimation is available online for free in printable & downloadable (pdf & image) format. Tap on PRINT, PDF or IMAGE button to print or download this 3rd grade estimated addition worksheet for quick approximation by rounding the 2-digit addends to the nearest 10.

How to Use this Worksheet

In this third grade math worksheet, students are required to write the estimated sum & actual sum for the given 2-digit addends by rounding off to the nearest ten as like in the given solved example of this online workbook for estimation problems. To find the estimated sum, round the given 2-digit addends to the nearest ten numbers and then perform the addition. To find the actual sum, add the given 2-digit addends directly and write the sum.

Teachers, parents or students can check or validate the completed math workbook containing the 3rd grade math questions for writing estimated & actual sum for 2-digit addition by using the corresponding answers key.

Generate More Worksheets

To effectively assist math learning or teaching, RankUpturn allow registered students, teachers or parents to generate unlimited set of grade-3 math questions & answers by using this "NEW WORKSHEET" button to prepare or practice exam, assignments, classwork or homework problems & solutions on estimated sum for 2-digit numbers by rounding addends to the nearest 10. 