Free Printable Estimation

1.

Estimating is to....

a)

find the exact answer

b)

find something close to the correct answer

c)

use an algorithm

2.

When estimating 347+ 455 you should...

a)

Round both numbers to the nearest ten and add them mentally

b)

Line both numbers up and solve to find the answer

c)

Round both numbers to the nearest hundred and add them mentally

d)

Round both numbers to the nearest tenth and add them mentally

3.

Amy had 13 jelly beans in her left hand and 28 in her right hand. Estimate how many jelly beans Amy had in all.

a)

45

b)

40

c)

50

d)

30

4.

Amy had 13 jelly beans in her left hand and 28 in her right hand. Estimate how many jelly beans Amy had in all.

a)

45

b)

40

c)

50

d)

30

5.

Bobby has 44 toy cars and trucks. He also has 62 ninja turtles and soldiers. Estimate how many toy cars, trucks, ninja turtles and soldiers Bobby has.

a)

86

b)

10

c)

100

6.

The length of a toothbrush is about 7....

a)

inches

b)

feet

c)

centimeters

d)

meters

7.

The length of a loaf of bread is about 12........

a)

inches

b)

feet

c)

centimeters

d)

meters

8.

The depth of a swimming pool is about 10........

a)

inches

b)

feet

c)

centimeters

d)

meters

9.

Using estimation, 36 x 69 is closest to...

a)

1800

b)

2800

c)

2400

d)

1200

10.

Cindy earned $27 a week at her part time job. Which is the best estimate of how much Cindy earned in one year? Remember there are 52 weeks in a year.

a)

$1400

b)

$1500

c)

$1300

d)

$2000

11.

Using estimation, 76 x 34 is closest to...

a)

2,400

b)

240

c)

1,100

d)

2,100

12.

Compatible numbers are:

a)

Fake numbers

b)

Numbers you make up

c)

Numbers that help make math easier and are friendly

d)

Numbers that hold hands

13.

Erin has 598 goldfish to split between 22 fish tanks. About how many goldfish are in each tank? Choose the best answer

a)

3 goldfish in each tank

b)

20 goldfish in each tank

c)

12 goldfish in each tank

d)

30 goldfish in each tank

14.

Estimate the quotient. Choose the best answer.
234 ÷ 41 =

a)

60

b)

40

c)

6

d)

12

15.

Round-off 99 to the nearest tens

a)

81

b)

100

c)

75

d)

90

16.

Round-off 724 to the nearest hundreds

a)

800

b)

35

c)

756

d)

700

17.

Round 6283 to the nearest Hundreds

a)

6300

b)

62830

c)

6200

d)

6280

18.

Round off 456,678 to the nearest thousand.

a)

466,000

b)

457,000

c)

456,000

d)

465,000

19.

The symbol ≈ means __________.

a)

approximately or about equal

b)

equal

c)

greater than

d)

smaller than

20.

Round off 9,999,999 to the nearest million.

a)

9,000,000

b)

10,000,000

c)

9,100,000

d)

9,900,000

21.

13 + 28 =

a)

40

b)

30

c)

70

22.

26 + 31 =

a)

65

b)

60

c)

50

23.

107 + 112 =

a)

300

b)

250

c)

220

24.

Round 56 to the nearest ten

a)

60

b)

50

c)

70

d)

55

25.

Round 143 to the nearest ten

a)

100

b)

130

c)

140

d)

150

26.

Round 789 to the nearest hundred

a)

800

b)

700

c)

780

d)

790

27.

$8.65-28.28+118.36$

a)

$138.73$

b)

$137.99$

c)

$98.73$

d)

$9.873$

28.

$99.25-9.25\times8.24$

a)

$741.6$

b)

$91.628$

c)

$23.03$

d)

$2.303$

29.

This array =....×.....

a)

5×5

b)

6×5

c)

2×3

30.

250=245

a)

Rounding to 10

b)

Rounding to 100

c)

Rounding to 1

Estimation

Total questions: 30

Worksheet time: 40mins

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