wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Decimal multiplication and division with estimation

Total questions: 68

Worksheet time: 2hrs 12mins

Name
Class
Date
1.

 Estimate the quotient: 45.6  ÷\div  5.1

a)

11

b)

9

c)

8.941

d)

.9

2.

10310^3  Click all correct answers

a)

Is the same as 10 x 10 x 10

b)

Is 1000

c)

Is 100

d)

Is 10 to the 3rd power

e)

Is 3000

3.

Where does the decimal point belong? 5.68 ÷\div  8 = 0 7 1 

a)

.071

b)

0.71

c)

7.1

d)

70.1

4.

71.2 ÷\div  8 =

(a)  

5.

 370.2  ÷\div   10210^2  = 

a)

Is the same as 370.2  ÷\div  100

b)

Is the same as  370.2  ÷\div  20

c)

Is the same as  370.2 undefined 10 x 10

d)

Is the same as  370.2 undefined 10

6.

72.5 ÷\div  10=

(a)  

7.
2.2 x 1.2 = 
a)
2.64
b)
26.4
c)
264
d)
0.264
8.
0.1 x 1.1 = 
a)
110
b)
0.11
c)
1.1
d)
.011
9.

3.69 ÷ 3

a)

1.23

b)

13.2

c)

12.3

10.
20.4 ÷ 3
a)
68
b)
59
c)
6.8
d)
5.9
11.
0.15 ÷ 3
a)
0.5
b)
0.05
c)
5
d)
0.15
12.
What is 63.2 divided by 5?
a)
12.63
b)
12.87
c)
12.64
d)
12.65
13.

Estimate 9.94 x 6.6

a)

65.604

b)

0.656

c)

656.040

d)

6,560.400

14.

Estimate 8.5 × 0.61

a)

0.052

b)

5.185

c)

51.850

d)

518.500

15.

Estimate 78.9 ÷ 12

a)

6.575

b)

65.75

c)

.6575

d)

960

16.

Estimate. Choose the BEST/CLOSEST estimated number sentence.

2.3 ÷62.3\ \div6  

a)

24 tenths divided by 6 = 4 tenths or 0.4

b)

24 divided by 6 = 4

17.
Estimate 11.75 ÷ 3
a)
3
b)
4
c)
5
d)
6
18.

Estimate the quotient using compatible numbers. 2,460 ÷ 81

a)

30

b)

3

c)

80

d)

300

19.
267.4 ÷ 10
a)
0.2674
b)
2.674
c)
26.74
d)
267.4
20.

0.75 − 0.23 =

(a)  

21.

1.46 + 1.97 =

(a)  

22.

Multiply Decimals


2 x 0.04 =

a)

8

b)

0.8

c)

0.08

d)

0.008

23.

Multiply Decimals


5 x 0.3 =

a)

15

b)

1.5

c)

0.15

d)

0.015

24.

Multiply Decimals


5 x 0.03 =

a)

15

b)

1.5

c)

0.15

d)

0.015

25.

Multiply Decimals


0.4 x 0.03 =

a)

12

b)

1.2

c)

0.12

d)

0.012

26.

Round to the nearest whole number. 6.125

a)

6

b)

6.1

c)

7

d)

6.13

27.

2.8 ÷ 4

a)

7

b)

0.7

c)

0.07

d)

70

28.

1,800 x 30 =__________

a)

5,400

b)

54,000

c)

540,000

d)

5,400,000

29.

Round the factors and estimate the products.

756 × 203 ≈

a)

16,000

b)

160,000

c)

1,600,000

d)

1600

30.

Round the factors and estimate the products.

3,164 × 8,741 ≈

a)

27,000,000

b)

2,700,000

c)

270,000

d)

27,000

31.

54x 29=

a)

1,566

b)

10,566

c)

156

d)

1,576

32.

Estimate the product.

23.2 × 41 ≈

a)

800

b)

900

c)

1000

d)

1200

33.

If the product of 375 × 25 is 9,375, what is the product of 375 × 2.5?

a)

937.5

b)

9375

c)

93.75

d)

9.375

34.

If 347 × 53 = 18,391 then 3.47 × 53 = ______________

a)

183.91

b)

18391

c)

18.391

d)

1839.1

35.

7.31×23=

a)

140.00

b)

168.13

c)

167.93

d)

169.03

36.

554 × 1.35 =

a)

747.90

b)

7479

c)

4486

d)

44.86

37.

2.02 × 304 =

a)

614.08

b)

1818

c)

108.18

d)

6011.8

38.

3.6 ÷\div  60

a)

.8

b)

.08

c)

.6

d)

.06

39.

562  ÷\div  73  \approx  

a)

.8

b)

8

c)

80

d)

800

40.

1475 ÷ 688 1475\ \div\ 688\ \approx  

a)

.2

b)

2

c)

20

d)

200

41.

9 ÷ 49\ \div\ 4  (with a decimal) is...

a)

2 R1

b)

2.1

c)

2.8

d)

2.25

42.

7.15 divided by 50

a)

14.3

b)

1.43

c)

0.143

d)

14.3

43.

Estimate the product.

23.2 × 41 ≈

a)

800

b)

900

c)

1000

d)

1200

44.

Estimate the product.

1.6 × 33 ≈

a)

60

b)

30

c)

80

d)

35

45.

What is the product of 6.4 x 10?

a)

6.40

b)

64

c)

0.64

d)

640

46.

What is the product of 5.3 x 100

a)

53

b)

0.53

c)

530

d)

5,300

47.

12.65÷1012.65\div10  

a)

126.5

b)

1.265

c)

1,265

d)

12.65

48.

What is a reasonable estimate for the problem

20.4÷420.4\div4  

a)

6

b)

24

c)

5

d)

2

49.

500 X 600

a)

300,000

b)

30,000

c)

350,000

d)

35,000

50.

What is the best estimate for



 412  ÷\div  84 =

a)

50

b)

8

c)

5

d)

80

51.

Estimate: 7,620 ÷53 =Estimate:\ 7,620\ \div53\ =  

a)

150

b)

160

c)

15

d)

16

52.

Estimate: 485 ÷92Estimate:\ 485\ \div92  

a)

50

b)

10

c)

5

d)

6

53.

Estimate: 540 ÷61Estimate:\ 540\ \div61  

a)

6

b)

90

c)

60

d)

9

54.

What is the best estimate for

22.5÷322.5\div3  ?

a)

7

b)

10

c)

3

d)

4

55.

What is the best estimate for

4.2÷54.2\div5  ?

a)

0

b)

5

c)

2

d)

1

56.

Which of the following would have an estimate of 4?

a)

29.2÷529.2\div5  

b)

19.8÷5.119.8\div5.1  

c)

54÷4.754\div4.7  

d)

8.8÷38.8\div3  

57.

Connor cuts a board with a length of 78.5 centimeters into 4 equal pieces. Which is the best estimate for the length of each piece?

a)

2 cm

b)

5 cm

c)

20 cm

d)

25 cm

58.

Which is the best estimate for

25.1÷825.1\div8  ?

a)

2

b)

1

c)

5

d)

3

59.
Ms. Morgan bought 23 bags of candy to hand out for halloween. If she paid $65.57, about how much was each bag of candy? 
a)
3
b)
10
c)
12
d)
6
60.

Choose the product that is most reasonable for 2.6 × 8.9 based on your estimate.

a)

2314

b)

231.4

c)

23.14

d)

2.314

61.

Choose the product that is most reasonable for 5.17 × 4.8

a)

248.18

b)

24.816

c)

2481.6

d)

2.4816

62.

Where would the decimal point go in the quotient for 9.45 ÷ 9?

a)

10.5

b)

1.05

c)

105.0

d)

0.105

63.

24.2 ÷ 42 ≈

a)

0.6

b)

0.06

c)

0.006

d)

6

64.

3.53 ÷ 51 ≈

a)

0.5

b)

0.05

c)

5

d)

0.005

65.

9.13 ÷ 23 ≈

a)

0.3

b)

0.03

c)

0.003

d)

3

66.

79.2 ÷ 39 ≈

a)

0.2

b)

0.02

c)

0.002

d)

2

67.

7.19 ÷ 58 ≈

a)

12

b)

1.2

c)

0.12

d)

0.012

68.

91.3 ÷ 42 ≈

a)

0.2

b)

0.02

c)

0.002

d)

2