Write the Estimated & Actual Sum for 2-Digit Addends

Name Grade School
Date Questions10 Score

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

  
 
Actual Sum

  
 
2
Addition
59
 39
sum
Estimated Sum

  
 
Actual Sum

  
 
3
Addition
65
 15
sum
Estimated Sum

  
 
Actual Sum

  
 
4
Addition
89
 44
sum
Estimated Sum

  
 
Actual Sum

  
 
5
Addition
90
 32
sum
Estimated Sum

  
 
Actual Sum

  
 
6
Addition
70
 37
sum
Estimated Sum

  
 
Actual Sum

  
 
7
Addition
56
 25
sum
Estimated Sum

  
 
Actual Sum

  
 
8
Addition
69
 28
sum
Estimated Sum

  
 
Actual Sum

  
 
9
Addition
59
 29
sum
Estimated Sum

  
 
Actual Sum

  
 
10
Addition
70
 42
sum
Estimated Sum

  
 
Actual Sum

  
 

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

Answers Key

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, Maths AI 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.

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