# Estimate Addition by Rounding Underlined Digit to the Nearest 10 or 100 or 1000: Worksheets, Online Test and Calculators

Estimate addition by rounding underlined digit to the nearest 10 or 100 or 1000 worksheets, solved worksheet problems or exercises with step-by-step work, formative assessment as online test, calculator and more learning resources to learn, practice, assess and master the basic math skills of estimation.

## Estimate Addition by Rounding Underlined Digit to the Nearest 10 or 100 or 1000

Name
Date

example
14237
31333
sum
Estimated Sum
14240
31300
45540
Actual Sum
14237
31333
45570
1
42853
38233
sum
Estimated Sum

Actual Sum

2
77215
12102
sum
Estimated Sum

Actual Sum

3
29216
26202
sum
Estimated Sum

Actual Sum

4
15740
43532
sum
Estimated Sum

Actual Sum

5
27786
14306
sum
Estimated Sum

Actual Sum

6
68349
11341
sum
Estimated Sum

Actual Sum

7
73989
42404
sum
Estimated Sum

Actual Sum

8
84615
81175
sum
Estimated Sum

Actual Sum

9
56869
52927
sum
Estimated Sum

Actual Sum

10
21999
51063
sum
Estimated Sum

Actual Sum

Solved Worksheet Problems
1
42853
38233
sum
Estimated Sum
42850
38000
80850
Actual Sum
42853
38233
81086
2
77215
12102
sum
Estimated Sum
77200
12100
89300
Actual Sum
77215
12102
89317
3
29216
26202
sum
Estimated Sum
29200
26200
55400
Actual Sum
29216
26202
55418
4
15740
43532
sum
Estimated Sum
16000
43500
59500
Actual Sum
15740
43532
59272
5
27786
14306
sum
Estimated Sum
27800
14000
41800
Actual Sum
27786
14306
42092
6
68349
11341
sum
Estimated Sum
68300
11000
79300
Actual Sum
68349
11341
79690
7
73989
42404
sum
Estimated Sum
74000
42400
116400
Actual Sum
73989
42404
116393
8
84615
81175
sum
Estimated Sum
84600
81000
165600
Actual Sum
84615
81175
165790
9
56869
52927
sum
Estimated Sum
56900
53000
109900
Actual Sum
56869
52927
109796
10
21999
51063
sum
Estimated Sum
22000
51060
73060
Actual Sum
21999
51063
73062

## Worksheet: Estimate Addition by Rounding Underlined Digit to the Nearest 10 or 100 or 1000

Estimate addition by rounding underlined digit to the nearest 10 or 100 or 1000 worksheet is the largest collection of practice problems and solved exercises which can be served as homework, classwork or assignment problems for the students to learn, practice, assess, iterate and master the skills of how to solve such estimation problems in basic mathematics.

Online Test
00:00
Start my Challenge
Estimate the sum by rounding addends to the nearest Hundred2485 + 5052 = ?
Estimate the sum by rounding addends to the nearest Thousand42036 + 50478 = ?
Estimate the sum by rounding addends to the nearest Hundred94821 + 50434 = ?
Estimate the sum by rounding addends to the nearest Thousand2228 + 5428 = ?
Estimate the sum by rounding addends to the nearest Ten1091 + 9553 = ?
Estimate the sum by rounding addends to the nearest Ten3836 + 6541 = ?
Estimate the sum by rounding addends to the nearest Hundred32925 + 24672 = ?
Estimate the sum by rounding addends to the nearest Ten73259 + 97582 = ?
Estimate the sum by rounding addends to the nearest Hundred93618 + 46748 = ?
Estimate the sum by rounding addends to the nearest Ten51961 + 90849 = ?

## Online Test: Estimate Addition by Rounding Underlined Digit to the Nearest 10 or 100 or 1000

This online test to find the estimate addition by rounding underlined digit to the nearest 10 or 100 or 1000 is a formative assessment which can be used as homework, classwork or assignment problems to assess and improve the learner's math skills on estimation.

### Estimate the Sum Calculator

Actual Sum
5421 + 2357 =

7778
Sum by Estimation
5420 + 2360 =

7820

## Work with steps - Estimate the Sum by Rounding

Question:
Estimate the sum
5421 + 2357 = ?
5421 rounding to the nearest 10 is 5420
2357 rounding to the nearest 100 is 2400