Free Printable 8th Grade summer unit 2

1.

In the Sahara Desert one day it was 136°F. In the Gobi Desert a temperature of -50°F was

recorded. What is the difference between these two temperatures?

a)

86°F

b)

186°F

c)

-86°F

d)

-186°F

2.

a loss of 9 pounds

a)

9

b)

-9

3.

8 degrees below zero

a)

8

b)

-8

c)

0

4.

the stock market went up 350 points

a)

350

b)

-350

5.

increase of $25

a)

25

b)

-25

6.

45 feet below sea level

a)

45

b)

- 45

7.

decrease speed by 5 miles per hour

a)

5

b)

-5

8.

a loss of 15 yards

a)

15

b)

- 15

9.

Which word describes a negative integer?

a)

decrease

b)

gain

c)

above

d)

higher

10.

Which word describes a positive integer?

a)

Decrease

b)

loss

c)

increase

d)

Below

11.

-9 + (-5)

a)

-14

b)

14

c)

-4

12.

10 + (-4) = ?

a)

-6

b)

6

c)

14

d)

-14

13.

-2 + (-8)

a)

-6

b)

6

c)

-10

d)

10

14.

-3 +(- 2)

a)

-1

b)

5

c)

-5

d)

-6

15.

-3 +(- 2)

a)

-1

b)

5

c)

-5

d)

-6

16.

What is the opposite of 10?

a)

10

b)

-10

c)

0

d)

20

17.

Evaluate: 29 - 18 + 3

a)

21

b)

14

c)

13

d)

7

18.

-8 + 20

a)

-28

b)

28

c)

14

d)

12

19.

Going left on the number line means what?

a)

Negative

b)

Positive

20.

4 + (-4)

a)

8

b)

0

c)

-8

d)

NONE OF THE ABOVE

21.

Evaluate the equation:
(10+5) -6

a)

9

b)

10

c)

11

d)

12

22.

Evaluate the equation:
4 · 3 - 7

a)

10

b)

20

c)

41

d)

5

23.

5x(6-3)

a)

19

b)

27

c)

15

d)

23

24.

Choose the answer.
5²

a)

10

b)

15

c)

20

d)

25

25.

7 - (-3)

a)

10

b)

-10

c)

4

d)

-4

26.

-10 - 17

a)

-7

b)

7

c)

-27

d)

27

27.

4-12

a)

8

b)

-8

c)

16

d)

-16

28.

-20 - (-30)

a)

-50

b)

50

c)

-10

d)

10

29.

14 - (-3)

a)

-17

b)

17

c)

11

d)

-11

30.

-10 - (-10)

a)

-100

b)

20

c)

-20

d)

0

31.

-100 - 100

a)

-200

b)

0

c)

200

d)

10,000

32.

- 50 - (-7)

a)

57

b)

-57

c)

-43

d)

43

33.

5 - 6

a)

-1

b)

1

c)

11

d)

-11

34.

- 25 - 5

a)

20

b)

-20

c)

-30

d)

30

35.

- 3 - 3

a)

6

b)

0

c)

- 6

36.

16 - 8

a)

- 8

b)

8

c)

24

d)

- 24

37.

2 - 4

a)

- 2

b)

2

c)

6

d)

- 6

38.

5 - 7

a)

-12

b)

12

c)

2

d)

-2

39.

- 49 - 1

a)

- 50

b)

- 48

c)

48

d)

49

40.

2 - (-1)

a)

1

b)

-3

c)

3

d)

-1

41.

7 - 10

a)

17

b)

- 17

c)

3

d)

- 3

42.

- 20 - (- 9)

a)

11

b)

- 11

c)

- 29

d)

29

43.

- 13 - 6

a)

-9

b)

- 19

c)

19

d)

9

44.

90 - (-100)

a)

- 190

b)

190

c)

1900

d)

19

45.

a)

21

b)

-21

c)

28

d)

-28

46.

a)

30

b)

-30

c)

35

d)

-35

47.

a)

72

b)

-72

c)

63

d)

-63

48.

a)

42

b)

-42

c)

49

d)

-49

49.

a)

49

b)

56

c)

-56

d)

63

50.

a)

27

b)

32

c)

36

d)

-36

51.

a)

66

b)

32

c)

-36

d)

36

52.

a)

-54

b)

54

c)

-63

d)

63

53.

a)

-13

b)

13

c)

0

d)

-0

54.

a)

-32

b)

-36

c)

32

d)

36

55.

a)

-104

b)

-144

c)

120

d)

-120

56.

a)

21

b)

-21

c)

28

d)

-28

57.

a)

-22

b)

20

c)

22

d)

-22

58.

a)

68

b)

48

c)

-68

d)

-48

59.

a)

62

b)

-62

c)

64

d)

-64

60.

a)

-91

b)

91

c)

-99

d)

-81

61.

a)

61

b)

66

c)

-66

d)

-61

62.

a)

30

b)

-30

c)

35

d)

-35

63.

a)

40

b)

45

c)

50

d)

-45

64.

a)

56

b)

63

c)

79

d)

-63

65.

20 ÷ 5

a)

4

b)

-4

c)

6

d)

-6

66.

-20 ÷ 5

a)

4

b)

-4

c)

6

d)

-6

67.

-36 ÷ -6

a)

4

b)

-4

c)

6

d)

-6

68.

-54 ÷ 9

a)

4

b)

-4

c)

6

d)

-6

69.

-80 ÷ -10

a)

8

b)

-8

c)

10

d)

-10

70.

64 ÷ -8

a)

8

b)

-8

c)

10

d)

-10

71.

100 ÷ 10

a)

8

b)

-8

c)

10

d)

-10

72.

90 ÷ -9

a)

8

b)

-8

c)

10

d)

-10

73.

49 ÷ -7

a)

7

b)

-7

c)

3

d)

-3

74.

42 ÷ 6

a)

7

b)

-7

c)

3

d)

-3

75.

36 ÷ 12

a)

7

b)

-7

c)

3

d)

-3

76.

36 ÷ -12

a)

7

b)

-7

c)

3

d)

-3

77.

40 ÷ 8

a)

5

b)

-5

c)

2

d)

-2

78.

50 ÷ -10

a)

5

b)

-5

c)

2

d)

-2

79.

-24 ÷ -12

a)

5

b)

-5

c)

2

d)

-2

80.

-21 ÷ -3

a)

4

b)

5

c)

6

d)

7

81.

-16 ÷ -4

a)

4

b)

5

c)

6

d)

7

82.

30 ÷ 6

a)

4

b)

5

c)

6

d)

7

83.

66 ÷ 11

a)

4

b)

5

c)

6

d)

7

84.

48 ÷ 12

a)

4

b)

5

c)

6

d)

7

85.

The first play of a football game resulted in a loss of 12 yards. Then a penalty resulted in another loss of 5 yards. What is the total loss or gain? Select the correct expression and answer.

a)

-12+(-5)

b)

a loss of 7 yards

c)

-12-(-5)

d)

a loss of 17 yards

e)

12-5

86.

A girl is snorkeling 1 meter below sea level and the dives down another 2 meters. How far below sea level is the girl? Select the correct expression and answer.

a)

1 meter above sea level

b)

1 meter below sea level

c)

3 meters below sea level

d)

-1 + (-2)

e)

-1-(-2)

87.

The temperature on Sunday was -15^o C. The next day, the temperature had dropped 12 degrees. What was the temperature the next day?

a)

-27^o C

b)

27^o C

c)

-3^o C

d)

3^o C

88.

The lowest temperature on Thursday was -20^o C. The lowest temperature on Saturday was -12^o C. What was the difference between the lowest temperatures?

a)

13^{o C}

b)

32^oC

c)

8^o C

d)

9^o C

89.

It is -1°F at Barb's house and 3 degrees colder where her uncle lives. What is the temperature at her uncles house?

a)

−2°F

b)

2°F

c)

−4°F

d)

4°F

90.

A submarine is 150 feet below sea level while an airplane is 375 feet above sea level. What is the difference between the height of the submarine and the airplane? Select the correct expression and answer.

a)

375-(-150)

b)

525 feet

c)

325 feet

d)

-150+375

e)

-150-(-375)

91.

The high temperature Monday was 4 degrees. The low temperature was -7 degrees. What is the difference between the high and low temperatures? Select the correct expression and answer.

a)

3 degrees

b)

4-(-7)

c)

11 degrees

d)

-7+4

e)

4+(-7)

92.

A submarine was 52 ft. below sea level. It ascended 38 ft. toward the surface. What is the depth of the submarine? Select the correct expression and answer.

a)

90 ft below sea level

b)

26 feet below sea level

c)

14 feet below sea level

d)

-52+(-38)

e)

-52+38

93.

Select all of the expressions that are equivalent to -9-(-7)

a)

-9+7

b)

7-9

c)

7+(-9)

d)

-9+(-7)

e)

-7-(-9)

94.

Select all of the expressions that are equivalent to -4-11

a)

-4+(-11)

b)

-11-4

c)

-11+(-4)

d)

-4-(-11)

e)

-11-(-4)

95.

Select all of the expressions that are equivalent to -6+14

a)

-6-(-14)

b)

14-6

c)

14+(-6)

d)

-14+6

e)

14-(-6)

96.

Integers are positive and negative whole numbers. Which of the following are integers?

a)

-7

b)

3

c)

-25

d)

3/5

e)

-1.8

97.

Given the problem, $-63.\overline{45}\ +\ 8\ \frac{1}{6}$ , would the result be positive or negative?

a)

positive

b)

negative

98.

Given the problem, $-2\frac{3}{7}\ +\ 85.5\overline{6}$ , would the result be positive or negative?

a)

positive

b)

negative

99.

Given the problem, $-2.87\ +\ \left(-\ \frac{342}{3}\right)$ , would the result be positive or negative?

a)

positive

b)

negative

8th Grade summer unit 2

Total questions: 99

Worksheet time: 8hrs 35mins

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