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Worksheets

Math Operations with Decimals

Total questions: 60

Worksheet time: 3hrs 0mins

Name
Class
Date
1.

What is 9.86 + 13.2

a)

22.88

b)

22.06

c)

11.18

d)

23.06

2.

What is the difference of 8.2 and 4.37?

a)

3.83

b)

3.55

c)

4.17

d)

4.55

3.

What is the product of 3.2 and 7.25?

a)

21.75

b)

22.625

c)

36.25

d)

23.2

4.

What is the product of 7.2 and 2.5?

a)

18

b)

14.4

c)

5.04

d)

16.4

5.

What is the quotient of 10.105 and 4.3?

a)

2.76

b)

2.35

c)

1.98

d)

2.18

6.

What is the sum of 45.23 and 12.7

a)

58.03

b)

57.3

c)

46.50

d)

57.93

7.

What is the difference of 12.64 and 8.4?

a)

11.8

b)

4.24

c)

21.04

d)

4.6

8.

What is the quotient of 106.59 and 62.7?

a)

1.2

b)

1.7

c)

2.3

d)

2.6

9.

Joseph and Mario were picking strawberries. Joseph picked 7.2 bushels. Mario picked 6.4 bushels more than Joseph. How many bushels did Mario pick?

a)

0.8 bushels

b)

13.6 bushels

c)

384.9 bushels

d)

14.2 bushels

10.

Harold has $12.40. Tamara has 2.3 times as much as Harold. How much money does Tamara have?

a)

$26.72

b)

$14.70

c)

$32.43

d)

$28.52

11.

If you are asked to find the SUM, which operation are you going to use?

a)

subtraction

b)

multiplication

c)

none

d)

addition

12.

When do we use the clue "Line it up"?

a)

Adding decimals

b)

Subtracting decimals

c)

Multiplying decimals

d)

Adding and subtracting decimals

e)

Dividing decimals

13.

Which operation are you using if you are asked to find the difference?

a)

x

b)

-

c)

+

d)

/

14.

You have been asked to find the answer to a division problem, you are finding the...

a)

quotient

b)

product

c)

difference

d)

sum

15.

Please multiply these two numbers to find the...

a)

difference

b)

sum

c)

quotient

d)

product

16.

Sandy has $200 in her bank account. If she writes 6 checks for exactly $19.98, what is her account balance after the checks are cashed?

a)

$80.12

b)

-$180.02

c)

-$57.90

d)

$319.88

17.

-6.64 ÷ -0.4 =

a)

6.24

b)

-16.6

c)

16.6

d)

-6.24

18.
-12.4 + 9.2 + 1 
a)
22.6
b)
-2.2
c)
-15.8
d)
17.9
19.
A water pail in your backyard has a small hole in it. You notice that it has drained a total of 3.5 liters in 4 days. What is the average change in water volume each day?
a)
-14 liter per day
b)
-0.875 liter per day
c)
27 liter per day
d)
0.125 liter per day
20.
2.75 + (-2) + (-5.25) = 
a)
8.3
b)
0.5
c)
-10
d)
-4.5
21.
-2.4(3)
a)
-72
b)
-.72
c)
-.072
d)
-7.2
22.
Annalise has 7.3 feet of yarn, and Kiara has 9.8 feet of yarn. How much yarn do Annalise and Kiara have altogether?
a)
171
b)
1.71
c)
17.1
d)
16.1
23.
Calculate
5.75÷0.25
a)
0.23
b)
2.3
c)
2.03
d)
23
24.
Big Money Pedro bought a steak that weighs 1.4 pounds. The price is $4.50 per pound. How much does the steak cost?
a)
$4.20
b)
$6.90
c)
$22.50
d)
$6.30
25.
8.7+12.8
a)
21.5
b)
20.5
c)
4.1
d)
13.5
26.
4.6 + 18.024 
a)
22.624
b)
18.070
c)
1807
d)
2262.4
27.
12.3 +13.45
a)
14.68
b)
25.75
c)
1.15
d)
25.48
28.
4.21 ×0.3
a)
12.63
b)
1.263
c)
126.3
d)
0.1263
29.
What is the first step when adding and subtracting decimals?
a)
Line up the numbers
b)
Line up the decimals
c)
Add or subtract like normal
d)
Add in placeholders
30.
5.08-1.2
a)
4.96
b)
3.88
c)
6.28
d)
5.2
31.
2 - 4
a)
2
b)
-8
c)
6
d)
-2
32.
-5 - (- 3)
a)
-8
b)
8
c)
-2
d)
15
33.
6 - (-4)
a)
10
b)
2
c)
-2
d)
-10
34.
-18 +(-6)
a)
3
b)
-3
c)
-12
d)
-24
35.
-2 + (-8)
a)
-6
b)
6
c)
-10
d)
10
36.
-9 - 5
a)
-14
b)
4
c)
-4
d)
45
37.
-3 +(- 2)
a)
-1
b)
5
c)
-5
d)
-6
38.
-4 - 2
a)
6
b)
-2
c)
-8
d)
-6
39.
8 - (-5)
a)
1
b)
-15
c)
13
d)
15
40.
12 - (-12)
a)
24
b)
-24
c)
0
d)
-144
41.
-8 - (-6)
a)
2
b)
14
c)
-2
d)
-14
42.
(-4)(-5)
a)
-9
b)
-20
c)
9
d)
20
43.
-32/8
a)
-4
b)
-5
c)
4
d)
24
44.
-2 + (-5)
a)
-3
b)
3
c)
-7
d)
7
45.
Express an integer: a debt of $50
a)
50
b)
-50
46.
What is the opposite of 10? 
a)
10
b)
-10
c)
0
d)
20
47.
A submarine was 1800 ft below sea level. It dove another 1500 feet deeper. Which integer represents its location? 
a)
-300
b)
-1300
c)
-3300
d)
300
48.
The absolute value of -6 is ___  the absolute value of 6. 
a)
greater than
b)
equal to 
c)
less than 
49.

Express an integer: a withdrawal of $100

a)

100

b)

-100

50.
What is the opposite of 10? 
a)
10
b)
-10
c)
0
d)
20
51.
42 - 6.5
a)
2.3
b)
23
c)
35.5
d)
36.5
52.
3.27 X 2.8
a)
9.156
b)
3.270
c)
91.56
d)
915.6
53.
25.62 divided by 1.2
a)
213.5
b)
21.35
c)
2.135
d)
22.36
54.
45.4 divided by 5
a)
9.8
b)
9.09
c)
9.09
d)
9.08
55.
Jackie earns $8.95 per hour.  This week she worked 7.5 hours.  How much did she earn this week?
a)
$67.125
b)
$67.12
c)
$67.13
d)
$68.00
56.
123.6-0.08=
a)
123.2
b)
122.8
c)
124.4
d)
123.52
57.
92.37 ÷ 0.5
a)
184.74
b)
18.474
c)
1840
d)
None of the above
58.
Fourteen boxes of candles were sold for $91.00. What is the cost of 1 box?
a)
$1.30
b)
$6.50
c)
$13.00
d)
$0.65
59.
55.78 + 4.6 =
a)
60.28
b)
55.32
c)
56.44
d)
60.38
60.
2 - 0.43 =
a)
0.45
b)
1.57
c)
0.41
d)
2.43