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WS - 1 Grade 3 Estimation of Sum

Total questions: 10

Worksheet time: 8mins

Name
Class
Date
1.

Estimating is to....

a)

find the exact answer

b)

find something close to the correct answer

c)

use an algorithm

2.

23,578 + 5,783 =

a)

29,361

b)

29,362

c)

29,363

3.

1,201 + 1,358 =

a)

2,557

b)

2,558

c)

2,559

4.

31,415 + 10, 254 =

a)

41,668

b)

41,669

c)

41,670

5.

4,720 + 8,302 = 

a)

13,022

b)

13,033

c)

13,044

6.

14,125 + 12,142 =

a)

26,267

b)

26,268

c)

26,269

7.

72,832 + 20, 743 =

a)

93, 475

b)

93,575

c)

93,676

8.

32,503 + 22,614 = 

a)

55,118

b)

55,117

c)

55,116

9.
Estimate   32+49____
a)
55
b)
70
c)
80
d)
712
10.

Estimate the answer to:


906 + 397

a)

1300

b)

1200

c)

1310

d)

1303