Free Printable Estimating Differences

1.

a)

500 - 200 = 300

b)

600 - 200 = 300

c)

600 - 200 = 400

d)

500 - 200 = 200

2.

a)

400 + 200 = 600

b)

500 + 200 = 600

c)

500 + 200 = 700

d)

400 + 200 = 700

3.

a)

400 + 200 = 600

b)

500 + 200 = 700

c)

500 - 200 = 400

d)

500 - 200 = 300

4.

a)

700 - 200 = 500

b)

800 - 200 = 600

c)

800 - 300 = 500

d)

700 - 200 = 500

5.

a)

900 - 300 = 600

b)

900 - 200 = 700

c)

1,000 - 200 = 800

d)

900 + 300 = 1,200

6.

237 fifth graders and 346 fourth graders went on a field trip. Estimate how many more fourth graders were on a field trip than fifth graders.

a)

200 more

b)

109 more

c)

100 more

d)

110 more

7.

Eastfield college has 1,537 students. Richland college has 2,785. Rounding to the HUNDREDS place, approximately how many fewer students does Eastfield college have than Richland college.

a)

1,300

b)

1,200

c)

1,100

d)

1,500

8.

If you have 382, you might say you have ABOUT...

a)

400

b)

390

c)

450

d)

350

9.

If you have 819, you might say you have approximately...

a)

900

b)

880

c)

820

d)

810

10.

Round to the nearest hundred, then estimate the sum:

123 + 456

a)

580

b)

600

c)

650

d)

500

11.

Round to the nearest hundred, then estimate the difference:

642 − 137

a)

600

b)

780

c)

500

d)

510

12.

Jill took 32 minutes to complete math homework and 16 minutes to complete reading. About how many minutes did Jill use for homework?

a)

48 minutes

b)

50 minutes

c)

55 minutes

d)

40 minutes

13.

Michael jogged 8 miles on Monday and Tuesday, and 12 miles on Friday. About how far did Michael jog altogether?

a)

32 miles

b)

28 miles

c)

20 miles

d)

30 miles

14.

$Estimate\ to\ the\ tens\ place.\ \$ $488\ -\ 351\ =\$

a)

140

b)

160

c)

130

d)

200

15.

$Estimate\ to\ the\ hundreds\ place.\ \ \left(Round\ and\ solve\right)$ $937\ -\ 288\ =\$

a)

400

b)

500

c)

600

d)

700

16.

$655\ +111\ =\$ $Estimate:\ Round\ to\ the\ nearest\ ten\ and\ hundred.\$

a)

800 and 700

b)

760 and 866

c)

750 and 700

d)

770 and 800

17.

A museum has 237 works of art on the first floor. The second floor has 349 works of art. The third floor has 219 works of art. About how many works of art in all? (Use greatest place value.)

a)

800

b)

700

c)

750

d)

660

18.

To celebrate Halloween a family is counting pumpkin seeds. Max and his dad counted 243; Brita and her mom counted 333. About how many more seeds did Brita and her mom count?

a)

85

b)

100

c)

300

d)

500

19.

491 people attended the school play. 422 people attended the football game. Ryan rounds to the nearest hundred and estimates that 800 people attended both events. Is his estimate correct? Explain

a)

Yes, because 400 + 400 = 800

b)

No, because 500 + 400 = 900

c)

No, because he did not estimate correctly.

d)

Yes, because he estimated correctly.

20.

While on a trip, Becca counted 148 red cars and 153 blue cars. Jasmine, her sister, counted 184 white cars and 92 green cars. Rounding to the tens place, who counted more cars?

a)

Becca counted more, she got 300

b)

Jasmine counted more, she got 300

c)

Becca counted more, she got 250

d)

Jasmine counted more, she got 250

21.

Which answer is reasonable for the following problem: Sally went shopping with $50. Could she buy a shirt for $17 and pants for $29?

a)

No, she doesn't have enough money.

b)

Yes, she has enough money.

22.

Jill took 32 minutes to complete math homework and 16 minutes to complete reading. About how many minutes did Jill use for homework?

a)

48 minutes

b)

50 minutes

c)

55 minutes

d)

40 minutes

23.

Michael jogged 8 miles on Monday and Tuesday, and 12 miles on Friday. About how far did Michael jog altogether?

a)

32 miles

b)

28 miles

c)

20 miles

d)

30 miles

24.

$Estimate\ to\ the\ tens\ place.\ \$ $488\ -\ 351\ =\$

a)

140

b)

160

c)

130

d)

200

25.

$Estimate\ to\ the\ hundreds\ place.\ \ \left(Round\ and\ solve\right)$ $937\ -\ 288\ =\$

a)

400

b)

500

c)

600

d)

700

26.

$655\ +111\ =\$ $Estimate:\ Round\ to\ the\ nearest\ ten\ and\ hundred.\$

a)

800 and 700

b)

760 and 866

c)

750 and 700

d)

770 and 800

27.

A museum has 237 works of art on the first floor. The second floor has 349 works of art. The third floor has 219 works of art. About how many works of art in all? (Use greatest place value.)

a)

800

b)

700

c)

750

d)

660

28.

To celebrate Halloween a family is counting pumpkin seeds. Max and his dad counted 243; Brita and her mom counted 333. About how many more seeds did Brita and her mom count?

a)

85

b)

100

c)

300

d)

500

29.

Which answer is reasonable for the following problem: Sally went shopping with $50. Could she buy a shirt for $17 and pants for $29?

a)

No, she doesn't have enough money.

b)

Yes, she has enough money.

30.

a)

500 - 200 = 300

b)

600 - 200 = 300

c)

600 - 200 = 400

d)

500 - 200 = 200

31.

a)

400 + 200 = 600

b)

500 + 200 = 600

c)

500 + 200 = 700

d)

400 + 200 = 700

32.

a)

400 + 200 = 600

b)

500 + 200 = 700

c)

500 - 200 = 400

d)

500 - 200 = 300

33.

a)

300 - 100 = 400

b)

200 - 100 = 100

c)

300 - 100 = 200

d)

300 + 100 = 400

34.

a)

700 - 200 = 500

b)

800 - 200 = 600

c)

800 - 300 = 500

d)

700 - 200 = 500

35.

a)

300 - 200 = 100

b)

300 + 200 = 500

c)

400 - 200 = 200

d)

300 + 200 = 500

36.

a)

500 + 100 = 600

b)

500 - 100 = 400

c)

600 + 100 = 700

d)

600 + 200 = 800

37.

a)

900 - 300 = 600

b)

900 - 200 = 700

c)

1,000 - 200 = 800

d)

900 + 300 = 1,200

38.

a)

300 + 100 = 500

b)

300 + 100 = 400

c)

300 - 100 = 200

d)

400 + 100 = 500

39.

Estimate the sum of 37+91 by rounding to the nearest tens

a)

120

b)

150

c)

130

d)

140

40.

Estimate the sum of 52+59 by rounding to the nearest tens

a)

110

b)

100

c)

111

d)

90

41.

Round to the nearest ten to estimate the difference.
61 - 23 =

a)

40

b)

80

c)

30

d)

90

42.

Round to the nearest ten to estimate the sum.
73 + 48 =

a)

20

b)

30

c)

110

d)

120

43.

a)

400 + 100 = 500

b)

400 + 200 = 600

c)

400 + 200 = 500

d)

300 + 100 = 400

44.

Estimate the sum of 120+190 by rounding to the nearest hundreds

a)

100

b)

200

c)

0

d)

300

45.

Estimate the sum of 327+431 by rounding to the nearest hundreds

a)

700

b)

600

c)

758

d)

800

46.

Round to the nearest hundred to estimate the sum.
479 + 432 =

a)

800

b)

1,000

c)

900

d)

100

47.

If you have 382, you might say you have ABOUT...

a)

400

b)

300

c)

450

d)

350

Estimating Differences

Total questions: 47

Worksheet time: 54mins

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