Free Printable Adding & Subtracting Positive & Negative Decimals

1.

Will the answer to the following expression be positive or negative?

12.323 - 31.4

a)

Positive

b)

Negative

2.

Will the answer to the following expression be positive or negative?

6.313 + (- 5.73)

a)

Positive

b)

Negative

3.

-10.32 + 4.38

(a)

4.

- 16 - 4.243

(a)

5.

- 17.49 + 3.425

(a)

6.

-2.4 - 1.2

a)

3.6

b)

-3.6

c)

1.2

d)

-1.2

7.

What is the value of: 14 - 525?

a)

539

b)

-539

c)

-511

d)

511

8.

Find -6.23 - 7.5

a)

13.73

b)

1.3

c)

-1.2

d)

-13.73

9.

9 + -6.73

a)

2.27

b)

-2.27

c)

15.73

d)

-15.73

10.

2.75 - (-1.25)

a)

4

b)

-4

c)

1.5

d)

-1.5

11.

Find the sum. 28.2 +93.50

a)

121.7

b)

2.632

c)

28.50

12.

What is a rational number?

a)

Decimals that end

b)

Decimals that go on forever

c)

Fractions

d)

Negative Numbers

e)

Irrational Numbers

13.

The rule of subtraction is Subtracting a number is the same as adding its (a) .

14.

I can add and subtract positive and negative decimals.

$-4.87+8.24=$

a)

-3.37

b)

3.37

c)

13.11

d)

-13.11

15.

I can add and subtract positive and negative decimals.

$5.25+\left(-7.92\right)=$

a)

2.67

b)

-2.67

c)

13.17

d)

-13.17

16.

I can add and subtract positive and negative decimals.

Hint: It will help to rewrite this expression as adding its opposite!

$4.28-\left(-2.529\right)=$

a)

-1.751

b)

1.751

c)

6.809

d)

-6.809

17.

I can add and subtract positive and negative decimals.

Hint: It will help to rewrite this expression as adding its opposite!

$-5.18-9.421=$

a)

-14.601

b)

14.601

c)

-4.241

d)

4.241

18.

When adding with the same sign you.....

a)

subtract and take the sign of the larger number

b)

add the opposite

c)

add and keep the sign

d)

subtract and keep the sign

19.

What's a way to define absolute value?

a)

The value of a number

b)

The opposite of a number

c)

The distance of a number from zero

d)

The multiplicative inverse of a number

20.

Any number that can be written as a fraction

a)

opposite

b)

rational number

c)

absolute value

d)

Integer

21.

What is additive inverse?

a)

Distance from zero on the number line

b)

adding any two numbers

c)

the opposite of adding

d)

number added to its opposite to total zero

22.

$-8.5-2.5=$

a)

-11

b)

-10

c)

-6

d)

6

23.

What is the rules for subtracting integers?

a)

Change to multiplication and use the opposite of the second number.

b)

Change to addition and use the opposite of the second number.

c)

Find the opposite of both numbers and then add.

d)

Subtract like normal and keep the larger sign.

24.

When adding decimals with the same sign you.....

a)

subtract and take the sign of the larger number

b)

add the opposite

c)

add and keep the sign

d)

subtract and keep the sign

25.

When adding decimals with different signs you....

a)

subtract and take the sign of the larger number

b)

add the opposite

c)

add and keep the sign

d)

subtract and keep the sign

26.

Rewrite the problem as addition.

-5.66 - (-4.1)

a)

5.66 + (-4.1)

b)

-5.66 + 4.1

c)

-5.66 + (-4.1)

d)

-5.66 - 4.1

27.

-23.4 - 3.4=

a)

-20

b)

26.8

c)

-26.8

d)

20

28.

-40 + 15.05=

a)

55.05

b)

24.95

c)

-24.95

d)

14.65

29.

When adding rational numbers with the same sign, you must:

a)

Subtract and keep the sign of the biggest number

b)

Add together and keep the sign

c)

Keep, change, switch

d)

Add the opposite

30.

-7.79 + 5.4

a)

4.61

b)

-2.19

c)

-2.39

d)

2.11

31.

-23.4 - 3.4=

a)

-20

b)

26.8

c)

-26.8

d)

20

32.

5.23 - (-9.1)

a)

-3.87

b)

3.87

c)

4.32

d)

14.33

33.

When you add opposites, what do you get?

a)

0

b)

A negative number

c)

Attraction

d)

You cannot add opposites

34.

5.23 - (-9.1) =

a)

-3.87

b)

3.87

c)

4.32

d)

14.33

35.

Rewrite the problem as addition.

-5.66 - (-4.1)

a)

5.66 + (-4.1)

b)

-5.66 + 4.1

c)

-5.66 + (-4.1)

d)

-5.66 - 4.1

36.

-23.4 - 3.4=

a)

-20

b)

26.8

c)

-26.8

d)

20

37.

-40 + 15.05=

a)

55.05

b)

24.95

c)

-24.95

d)

14.65

38.

Positive + Positive = ??

a)

Positive

b)

Negative

c)

It Depends

39.

Negative + Negative = ??

a)

Positive

b)

Negative

c)

It Depends

40.

When you add opposites, what do you get?

a)

0

b)

A negative number

c)

Attraction

d)

You cannot add opposites

41.

$-8.5-2.5=$

a)

-11

b)

-10

c)

-6

d)

6

42.

What is an integer?

a)

a positive or negative whole number

b)

fractions, decimals and percents

c)

fractions and decimals, but not whole numbers

d)

number added to its opposite to total zero

43.

Any number that can be written as a fraction

a)

opposite

b)

rational number

c)

absolute value

d)

Integer

44.

What is the third rule?

When subtracting a negative,

a)

just add

b)

subtract and take the sign of the larger absolute value

c)

just add the opposite

d)

just do it

45.

Positive + Positive = ??

a)

Positive

b)

Negative

c)

It Depends

46.

The temperature was 3* C on Monday and was 7.5 degrees lower the next day. What was the temperature on Tuesday?

a)

10.5* C

b)

4.5* C

c)

-4.5* C

d)

-10.5* C

47.

-6.5 + (-0.5)

a)

-7

b)

7

c)

6

d)

-6

48.

When adding rational numbers with the same sign, you must:

a)

Subtract and keep the sign of the biggest number

b)

Add together and keep the sign

c)

Keep, change, switch

d)

Add the opposite

49.

34.5 + (-7)

a)

-41.5

b)

41.5

c)

-27.5

d)

27.5

50.

Find -6.23 - 7.5

a)

13.73

b)

1.3

c)

-1.2

d)

-13.73

51.

-4.7 + 18.5

a)

23.2

b)

13.8

c)

-13.8

d)

-23.2

52.

When adding decimals with different signs you....

a)

subtract and take the sign of the larger number

b)

add the opposite

c)

add and keep the sign

d)

subtract and keep the sign

53.

Rewrite the problem as addition.

-5.66 - (-4.1)

a)

5.66 + (-4.1)

b)

-5.66 + 4.1

c)

-5.66 + (-4.1)

d)

-5.66 - 4.1

54.

-23.4 - 3.4=

a)

-20

b)

26.8

c)

-26.8

d)

20

55.

7.19 + (-5.34)

a)

12.53

b)

-12.53

c)

1.85

d)

-1.85

56.

Rewrite the problem as addition.

-5.66 - (-4.1)

a)

5.66 + (-4.1)

b)

-5.66 + 4.1

c)

-5.66 + (-4.1)

d)

-5.66 - 4.1

57.

6.59 + (−7.8) − (−2.41)

a)

16.8

b)

11.98

c)

-3.62

d)

1.2

58.

Withdraw

a)

Keeping track of money

b)

Taking money out of bank account

c)

Putting money in bank account

59.

Deposit

a)

Taking money out of your bank account

b)

A plastic card used to make purchases

c)

Putting money in your bank account

60.

If you are at SEA LEVEL, you are at
______on a number line.

a)

Positive

b)

Negative

c)

Zero

61.

0.7 - (-1.03)

Hint: subtracting a negative is the same as adding a positive

a)

1.1

b)

-1.33

c)

-1.67

d)

1.73

62.

384.84 + 6.3

(a)

63.

6.7 - 3.234

(a)

64.

Will the answer to the following expression be positive or negative?

-10 + 12

a)

Positive

b)

Negative

65.

Will the answer to the following expression be positive or negative?

12.323 - 31.4

a)

Positive

b)

Negative

66.

Will the answer to the following expression be positive or negative?

6.313 + (- 5.73)

a)

Positive

b)

Negative

67.

-10.32 + 4.38

(a)

68.

- 16 - 4.243

(a)

69.

- 17.49 + 3.425

(a)

70.

2.75 - (-1.25)

a)

4

b)

-4

c)

1.5

d)

-1.5

71.

9 + -6.73

a)

2.27

b)

-2.27

c)

15.73

d)

-15.73

72.

Find -6.23 - 7.5

a)

13.73

b)

1.3

c)

-1.2

d)

-13.73

73.

-2.4 - 1.2

a)

3.6

b)

-3.6

c)

1.2

d)

-1.2

74.

I can add and subtract decimals.

$3.48+2.93=$

a)

6.41

b)

5.31

c)

5.68

d)

8.31

75.

I can add and subtract decimals.

$10.072-8.34=$

a)

2.068

b)

8.421

c)

1.732

d)

8.301

76.

I can add and subtract positive and negative decimals.

$-4.87+8.24=$

a)

-3.37

b)

3.37

c)

13.11

d)

-13.11

77.

I can add and subtract positive and negative decimals.

$5.25+\left(-7.92\right)=$

a)

2.67

b)

-2.67

c)

13.17

d)

-13.17

78.

I can add and subtract positive and negative decimals.

Hint: It will help to rewrite this expression as adding its opposite!

$4.28-\left(-2.529\right)=$

a)

-1.751

b)

1.751

c)

6.809

d)

-6.809

79.

I can add and subtract positive and negative decimals.

Hint: It will help to rewrite this expression as adding its opposite!

$-5.18-9.421=$

a)

-14.601

b)

14.601

c)

-4.241

d)

4.241

80.

$-8.5-2.5=$

a)

-11

b)

-10

c)

-6

d)

6

81.

(-5.36) + 2.6 =

a)

-2.76

b)

2.76

c)

7.96

d)

-7.96

82.

5.23 - (-9.1) =

a)

-3.87

b)

3.87

c)

4.32

d)

14.33

83.

7.19 + (-5.34)

a)

12.53

b)

-1.85

c)

-12.53

d)

1.85

84.

Rewrite the problem as addition.

-5.66 - (-4.1)

a)

5.66 + (-4.1)

b)

-5.66 + 4.1

c)

-5.66 + (-4.1)

d)

-5.66 - 4.1

85.

6.59 + (−7.8) − (−2.41)

a)

16.8

b)

11.98

c)

-3.62

d)

1.2

86.

The total cost of a trip is $1067.50. The class has raised $819.24. How much more do they need?

a)

$1886.74

b)

$248.26

c)

$250.00

d)

$712.49

87.

3.8 - (-3.3)

a)

-0.5

b)

0.5

c)

-7.1

d)

7.1

88.

-3.3 - (-1.2)

a)

-2.1

b)

2.1

c)

4.5

d)

-4.5

89.

4.3 + (-3.6)

a)

7.9

b)

0.7

c)

-0.7

d)

-7.9

90.

-3.3 - (-1.2)

a)

-2.1

b)

2.1

c)

4.5

d)

-4.5

91.

-1.49 + 3.13

a)

4.62

b)

-4.62

c)

1.64

d)

-1.64

92.

-2.8 + (-3.7)

a)

6.5

b)

0.9

c)

-0.9

d)

-6.5

93.

-2.5 - (-3.2)

a)

0.7

b)

-0.7

c)

5.7

d)

-5.7

94.

-6.5 + (-0.5)

a)

-7

b)

7

c)

6

d)

-6

95.

-4.7 + 18.5

a)

23.2

b)

13.8

c)

-13.8

d)

-23.2

96.

-51 + 81.623

a)

30.623

b)

-30.623

c)

132.623

d)

-132.623

97.

- 5.62 + (- 12.9)

a)

-6.91

b)

- 18.52

c)

6.28

d)

6.91

98.

-2.5 + (-2.5)

a)

-5

b)

0

c)

5

99.

-3.25 + 7.25

a)

-10.5

b)

4

c)

-4

100.

- 5.6 + 3.2

a)

2.4

b)

-2.4

c)

8.8

d)

-8.8

101.

-3.9 + (-4.3)

a)

-8

b)

-8.2

c)

-2.9

d)

-9.2

102.

-6.8 + (-3.3)

a)

-10.1

b)

-7.52

c)

-2.6

d)

-17.5

103.

7.9 + 0.6

a)

12.1

b)

10.7

c)

1.7

d)

8.5

104.

numbers that are greater than zero and to the right of zero on the number line

a)

integers

b)

opposite numbers

c)

positive numbers

d)

negative numbers

105.

numbers that are less than zero and located to the left of zero on the number line

a)

positive numbers

b)

negative numbers

c)

integers

d)

signed numbers

106.

Evaluate: -19 -10

a)

9

b)

-9

c)

-29

d)

29

107.

−28+(−8)=

a)

36

b)

−36

c)

−20

d)

20

108.

What is the value of | –7 |?

a)

7

b)

– | –7 |

c)

14

d)

–7

109.

Which statement is true?

a)

The absolute value of 3 is -3

b)

The opposite of 7 is 7

c)

The absolute value of 5 is equal to the opposite of 5

d)

The opposite of -4 is equal to the absolute value of -4

110.

If the temperature in Chicago is -5 degrees and the temperature in Moscow is 8 degrees colder. What is the temperature in Moscow?

a)

-3 degrees

b)

-13 degrees

c)

3 degrees

d)

13 degrees

111.

34.5 + (-7)

a)

-41.5

b)

41.5

c)

-27.5

d)

27.5

112.

Find -6.23 - 7.5

a)

13.73

b)

1.3

c)

-1.2

d)

-13.73

113.

Solve

a)

-5 and 3/4

b)

5 and 3/4

c)

3/4

d)

-3/4

114.

-4.7 + 18.5

a)

23.2

b)

13.8

c)

-13.8

d)

-23.2

115.

A diver was 40 feet below the surface of the water. A fisherman was casting off a dock right above the diver that was 12 feet above the surface of the water. How far apart are the diver and the fisherman?

a)

28 feet

b)

-28 feet

c)

52 feet

d)

-52 feet

116.

-7.8 + (-0.8)

a)

8.6

b)

-8.6

c)

7

d)

-7

117.

A recipe calls for 1/2 cup of sugar and 1/3 cup of cinnamon. What is the measure of the two ingredients combined?

a)

5/6 cup

b)

2/5 cup

c)

1/6 cup

d)

1/5 cup

118.

9 + -6.73

a)

2.27

b)

-2.27

c)

15.73

d)

-15.73

119.

-1 1/4 + -2 1/2 =

a)

- 3 3/4

b)

- 3 1/4

c)

-2 3/4

d)

-3 1/2

120.

When adding decimals with the same sign you.....

a)

subtract and take the sign of the larger number

b)

add the opposite

c)

add and keep the sign

d)

subtract and keep the sign

121.

When adding decimals with different signs you....

a)

subtract and take the sign of the larger number

b)

add the opposite

c)

add and keep the sign

d)

subtract and keep the sign

122.

Rewrite the problem as addition.

-5.66 - (-4.1)

a)

5.66 + (-4.1)

b)

-5.66 + 4.1

c)

-5.66 + (-4.1)

d)

-5.66 - 4.1

123.

a)

$8.73

b)

$9.27

c)

$11.27

124.

- 2.09 - 15.271

a)

-17.361

b)

13.181

c)

17.361

d)

-13.181

125.

5.23 - (-9.1)

a)

-3.87

b)

3.87

c)

4.32

d)

14.33

126.

4.16 - 9.043

a)

-4.883

b)

13.203

c)

4.883

d)

-13.203

127.

-51 + 81.623

a)

30.623

b)

-30.623

c)

132.623

d)

-132.623

128.

- 5.62 + (- 12.9)

a)

-6.91

b)

- 18.52

c)

6.28

d)

6.91

129.

-2.5 + (-2.5)

a)

-5

b)

0

c)

5

130.

-3.25 + 7.25

a)

-10.5

b)

4

c)

-4

131.

- 5.6 + 3.2

a)

2.4

b)

-2.4

c)

8.8

d)

-8.8

132.

-7.9 - 4.25

a)

3.65

b)

-3.65

c)

-12.15

d)

-5.94

133.

4.5 - 18.6

a)

-14.1

b)

14.1

c)

23.1

d)

-23.1

134.

Nathan and his uncle paid $9.50 for tickets to a bike race. They bought one adult's ticket and one child's ticket. The adult's ticket cost $5.75. What was the cost of Nathan's ticket?

a)

$37.5

b)

$2.95

c)

$3.75

d)

$3.50

135.

Colleen paid $3.20 for a magazine and $5.80 for a book at the bookstore. How much more did the book cost than the magazine?

a)

$2.60

b)

$26.00

c)

$2.50

d)

$2.65

136.

Ellie buys some craft supplies. The supplies cost a total of $6.43. She pays with a $20 bill. How much change does she receive?

a)

$135.7

b)

$13.57

c)

$13.75

d)

13.75

137.

Gina competed in a gymnastics competition. Her total score for the balance beam and the vault was 16.75. She scored 9.3 on the vault. How much did she score for the balance beam?

a)

7.45

b)

7.54

c)

7.045

d)

7.054

138.

Lia and James went to the movies. The tickets are $3.00 each. Lia bought popcorn and a slushy for $8.50 together. James bought a slushy and nachos $12.00 together. How much money did Lisa and James spend altogether?

a)

26.50

b)

2.650

c)

3.00

d)

53.65

139.

Annie buys a pair of shoes for $47.82 and a shirt $13.36 She gives the cashier a $100 bill. How much change did she receive?

a)

$38.802

b)

$38.98

c)

$38.082

d)

$38.82

140.

The Bell family drove 10.9 hours on Monday, 8.6 hours on Tuesday, and 12.4 hours on Wednesday. How many hours did the Bell family travel in all?

a)

31.9 hours

b)

30 hours

c)

31 miles

d)

31.8 hours

141.

Jeffrey has two bulldogs. Their weights are 12.3 pounds and 8.47 pounds. How would Jeffrey calculated the difference in the dogs' weights?

a)

12.3 - 8.47 = 3.76

b)

8.47 - 12.3 = 4.72

c)

8.47 - 5.46 = 3.54

d)

12.3 - 8.47 = 3.83

142.

Lacy and Gerald gave their heights for a school survey. Lacy's height is 51.25 inches. Gerald's height is 46.65 inches. How many inches taller is Lacy than Gerald?

a)

4.6 inches

b)

5.4 inches

c)

15.4 inches

d)

15.6 inches

143.

Giselle weighed two different samples of chemical in her science class. The first sample weighed 39.05 grams. The second weighed 56.7 grams. She then mixed the two chemicals together. What was the weight of the combined samples?

a)

17.65 grams

b)

44.72 grams

c)

85.85 grams

d)

95.75 grams

144.

Jerry bought 6.95 lbs of cherry and lime jelly beans for his birthday party. If 1.75 lbs were cherry flavor, how many pounds were lime flavor?

a)

5.2

b)

8.7

c)

9.7

d)

5.02

145.

A computer programmer had two files with a total size of 93 gigabytes. If one of the files was 50.30 gigabytes, how big is the second file?

a)

143.3 Gb

b)

42.7 files

c)

42.7 Gb

d)

Really big

146.

Ned and Sarah were running a relay race. The race was 22.01 kilometers total. If Ned ran 9.41 kilometers how far did Sarah run?

a)

12.6 km

b)

31.42 km

c)

12.6 runs

d)

31.42 Sarahs

147.

Paige was measuring how much taller she got over two years. In the first year she grew 4.62 cm. In the second year she grew 7.7 cm. How much taller did she get altogether?

a)

12.3 cm

b)

3.8 years

c)

12.32 cm

d)

12.32 years

148.

After buying some oranges for $93.13,Judith has $36.23 left. How much money did Judith have to begin with?

a)

$131.23

b)

$128.69

c)

$130.52

d)

$129.36

149.

Phyllis starts with $82.07 and spends$74.50 on peanuts. How much money does Phyllis have left?

a)

$7.57

b)

$9.25

c)

$8.75

d)

157.26

150.

Steve gives $78.88 to Gerald. If Steve started with $95.61, how much money does he have left?

a)

$16.73

b)

$18.25

c)

$17.36

d)

$15.54

151.

After buying some bananas for $64.90, Larry has $3.96 left. How much money did Larry have to begin with?

a)

$65.24

b)

$65.78

c)

$68.86

d)

$63.26

152.

Johanna worked 4 hours at a bookstore and earned $30.20. She also works 3 hours at a car wash and earned $24.45. How much did she earn in all?

a)

$47.65

b)

$50.65

c)

$54.65

d)

$61.65

153.

Maya bought paints and brushes at the craft store for $32.87. How much should she receive back if she gave the cashier a $50 bill?

a)

$17.13

b)

$18.13

c)

$19.13

d)

$20.13

Adding & Subtracting Positive & Negative Decimals

Total questions: 153

Worksheet time: 4hrs 50mins

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