Quiz about Topic 1 - Rounding Off

Question 1

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.

Accepted Answer

100 more

Answer

200 more

Answer

109 more

Answer

110 more

Question 2

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

Accepted Answer

400

Answer

390

Answer

450

Answer

350

Question 3

Round the number to the nearest tens.
576

Accepted Answer

580

Answer

570

Answer

550

Question 4

Round off the number to the nearest hundred
457

Accepted Answer

500

Answer

400

Answer

600

Answer

450

Question 5

Round off the number to the nearest thousands
5674

Accepted Answer

6,000

Answer

5,000

Answer

5,500

Answer

6,500

Question 6

If the number 1,356 is rounded to the nearest hundred, which is the correct answer?

Accepted Answer

1400

Answer

1300

Answer

1200

Answer

1450

Question 7

Round off 250 to the nearest hundred.

Accepted Answer

300

Answer

400

Answer

200

Answer

100

Question 8

Round off 34,876 to the nearest ten thousand.

Accepted Answer

30,000

Answer

40,000

Answer

35,000

Answer

25,000

Question 9

Round off 8.4016 to two decimal places.

Accepted Answer

8.40

Answer

8.4

Answer

8.41

Question 10

Round off 17.92653 to 3 decimal places.

Accepted Answer

17.927

Answer

17.9

Answer

17.926

Question 11

State the number of significant figures in 73502.

Accepted Answer

5

Answer

3

Answer

4

Question 12

State the number of significant figures in 5.038.

Accepted Answer

4

Answer

1

Answer

3

Question 13

Round off 28.132 95 to nearest whole number.

Accepted Answer

28

Answer

29

Answer

28.1

Answer

30

Question 14

Round off 208.56 to 2 significant figures

Accepted Answer

210

Answer

200

Answer

208

Answer

210.00

Question 15

Round off 29.393 to 3 significant figures

Accepted Answer

29.4

Answer

29.3

Answer

29.40

Answer

30

Question 16

Round off 235.49 to 1 decimal place

Accepted Answer

235.5

Answer

240

Answer

235

Answer

235.50

Question 17

Round off 4.983 to 2 decimal place

Accepted Answer

4.98

Answer

5.00

Answer

5

Answer

4.90

Question 18

Round off 576 to the nearest ten

Accepted Answer

A. 580

Answer

B. 500

Answer

C. 600

Answer

D. 680

Question 19

Round of 440 to the nearest ten

Accepted Answer

D. 440

Answer

A. 30

Answer

B. 40

Answer

C. 400

Question 20

Round off 556 to the nearest ten

Accepted Answer

B. 560

Answer

A. 660

Answer

C. 780

Answer

D. 500

Question 21

How many sig figs are there?
100.00

Accepted Answer

5

Answer

1

Answer

3

Answer

4

Question 22

How many sig figs are there?
4004

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 23

How many sig figs are there?
0.000008

Accepted Answer

1

Answer

2

Answer

6

Answer

7

Question 24

How many sig figs are there?
0.00400

Accepted Answer

3

Answer

1

Answer

5

Answer

6

Question 25

How many sig figs are there?
9009.00

Accepted Answer

6

Answer

2

Answer

4

Answer

5

Question 26

How many sig figs are there?
4000.

Accepted Answer

4

Answer

1

Answer

3

Question 27

How many sig figs are there?
27000000

Accepted Answer

2

Answer

5

Answer

8

Question 28

How many sig figs are there?
5.00000008

Accepted Answer

9

Answer

2

Answer

6

Question 29

How many significant figures does the following number have: 0.065102

Accepted Answer

5

Answer

1

Answer

2

Answer

4

Question 30

How many significant figures does the following number have: 0.0079010

Accepted Answer

5

Answer

1

Answer

4

Answer

9

Question 31

Round 0.010229 to four sig figs

Accepted Answer

0.01023

Answer

1022

Answer

1023

Answer

0.01022

Question 32

Round 1009 to three sig figs

Accepted Answer

1010

Answer

100

Answer

101

Answer

1000

Question 33

What place value is the 2 in, in the number 624

Accepted Answer

Tens

Answer

Ones

Answer

Hundreds

Answer

Thousands

Question 34

Estimate. Round each number to the given place value.
48,205+50,214; thousands

Accepted Answer

98,000

Answer

99,000

Answer

97,000

Answer

98,419

Question 35

Estimate. Round each number to the given place value.
7,172-5,103; hundreds

Accepted Answer

2,100

Answer

2,200

Answer

2,069

Answer

2,300

Question 36

Round to the nearest ten, then estimate:
267 + 517

Accepted Answer

790

Answer

780

Answer

795

Answer

775

Question 37

What is the answer to a subtraction problem called?

Accepted Answer

difference

Answer

quotient

Answer

sum

Answer

product

Question 38

What is the answer to an addition problem called?

Accepted Answer

sum

Answer

difference

Answer

quotient

Answer

product

Question 39

Which is the closest estimate of
78 x 31?

Accepted Answer

80 x 30

Answer

70 x 30

Answer

70 x 40

Answer

80 x 40

Question 40

Round 4,345 to the nearest thousand.

Accepted Answer

4,000

Answer

5,000

Answer

4,400

Answer

4,350

Question 41

Round 38,776 to the nearest thousand.

Accepted Answer

39,000

Answer

38,800

Answer

38,700

Answer

38,000

Question 42

Solve this problem by rounding each number to the nearest hundred:
675 + 831=

Accepted Answer

1,500

Answer

1,400

Answer

1,506

Answer

1,450

Question 43

Solve this problem by rounding each number to the nearest thousand:
1,456 + 6,825 =

Accepted Answer

8,000

Answer

8,281

Answer

7,000

Answer

7,500

Question 44

What is the answer to a multiplication problem called?

Accepted Answer

product

Answer

difference

Answer

quotient

Answer

sum

Question 45

What is the answer to a division problem called?

Accepted Answer

quotient

Answer

difference

Answer

sum

Answer

product

Question 46

What is 8.657 to 2 DECIMAL PLACES?

Accepted Answer

8.66

Answer

8.7

Answer

8.6

Answer

8

Question 47

What is 9.5193 to 2 DECIMAL PLACES?

Accepted Answer

9.52

Answer

9.5

Answer

9.520

Answer

9

Question 48

What is 7.0097 to 3 SIGNIFICANT FIGURES?

Accepted Answer

7.01

Answer

7.001

Answer

7.010

Answer

7.10

Question 49

Round 143 to the nearest ten

Accepted Answer

140

Answer

100

Answer

130

Answer

150

Question 50

Which of the following numbers will NOT round to 400 when rounding to the nearest hundred?

Accepted Answer

345

Answer

409

Answer

445

Answer

398

Question 51

Estimate  24+67=

Accepted Answer

90

Answer

910

Answer

80

Answer

95

Question 52

ESTIMATE the sum for : 89,473+64,987

Accepted Answer

150,000

Answer

100,000

Answer

154,460

Answer

20,000

Question 53

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

Accepted Answer

40

Answer

45

Answer

50

Answer

30

Question 54

Round to the nearest ten, then estimate:
27 + 78

Accepted Answer

110

Answer

115

Answer

90

Answer

100

Question 55

Round to the nearest ten, then estimate:
267 + 517

Accepted Answer

790

Answer

780

Answer

795

Answer

775

Question 56

Round 789 to the nearest hundred

Accepted Answer

800

Answer

700

Answer

780

Answer

790

Question 57

Round 151 to the nearest ten

Accepted Answer

150

Answer

100

Answer

50

Answer

60

Question 58

What is the value of the red digit?
536

Accepted Answer

30

Answer

500

Answer

6

Answer

300

Question 59

What is the value of of the digit in red:
6792

Accepted Answer

90

Answer

9

Answer

900

Answer

9000

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