Free Printable Unit 7 Review

1.

Look at the number line.

a)

–2 + 4 = –2

b)

–2 + (–4) = –6

c)

4 + (–6) = –2

d)

4 + (–2) = 6

2.

Choose the equation that best represents the model.

a)

2 + (–6) = –4

b)

0 – 6 = –6

c)

–6 + 8 = 2

d)

8 + (–6) = 2

3.

How do you know that 5 and -5 are opposites?

a)

Because they both have a 5

b)

They are the same distance from 0 and on opposite sides of 0

c)

Because they are the same

d)

They both are on a number line

4.

What integers are less than 0?

a)

Negative numbers

b)

no numbers are less than 0

c)

all numbers

d)

positive numbers

5.

What is the opposite of +3

a)

3

b)

0

c)

33

d)

-3

6.

What integer represents this: the running back ran for a loss of 2 yards.

a)

-2

b)

0

c)

+2

d)

+22

7.

Tony gained 25 yards touchdown.

a)

-25

b)

0

c)

+25

d)

-20

8.

Which situation could the integer -50 represent?

a)

An increase of $50 in a bank account

b)

The temperature on a warm spring day

c)

The distance driven on the way to the beach

d)

A decrease of 50 employees

9.

Which integer represents the situation? You deposit $50 into your bank account.

a)

50

b)

-50

c)

5

d)

-5

10.

Evaluate the expression.

| 9 |

a)

0.9

b)

9

c)

-9

d)

90

11.

Evaluate the expression

| –3 |

a)

3

b)

-3

c)

0.30

d)

30

12.

Which addition equation matches the problem modeled below? (Yellow is positive and Red is negative)

a)

-2 + -4 = -6

b)

2 + -4 = -2

c)

4 + 2 = 6

13.

Which problem can this represent if yellow is positive?

a)

5 + -2 = -3

b)

-5 + 2 = 7

c)

5 + -2 = 3

14.

Compare: -9 ? 8

a)

>

b)

<

c)

=

15.

Compare: -3 ? -5

a)

>

b)

<

c)

=

16.

Order from least to greatest:

10, -5, 3, 16, -1, 0, 1

a)

-1, -5, 0, 1, 3, 10, 16

b)

16, 10, 3, 1, 0, -1, -5

c)

-5, -1, 0, 1, 3, 10, 16

d)

0, -1, 1, 3, -5, 10, 16

17.

Order from greatest to least: -12, -7, 15, -1, 3,

a)

15, 3, -1, -7. -12

b)

15, 3, -12, -1, -7

c)

-1, -7, -12, 3, 15

d)

-12, -1, 3, 15, -7

18.

Put the rational numbers in order from least to greatest.
-4.2, -4 1/2, -4, 0, 4

a)

^{0, -4 1/2, -4.2, 4, -4}

b)

^{-4 1/2, -4.2, -4, 0, 4}

c)

^{-4 1/2, -4.2, -4, 4, 0}

19.

Order the temperatures from the COLDEST to the WARMEST.

a)

b)

20.

Order the temperatures from the WARMEST to the COLDEST.

a)

b)

21.

In which quadrant is Point L located?

a)

Quadrant 1

b)

Quadrant 2

c)

Quadrant 3

d)

Quadrant 4

22.

What letter is at (7, -6)?

a)

D

b)

L

c)

X

d)

There is no letter at those coordinates.

23.

In which quadrant are both numbers negative?

a)

1 (I)

b)

2 (II)

c)

3 (III)

d)

4 (IV)

24.

How do you write an ordered pair?

a)

(X,X)

b)

(Y,X)

c)

(X,Y)

d)

(Y,Y)

25.

What is meant by the ordered pair (7, 700) ?

a)

In 7 months, I made $700

b)

In 7 months, $700 was raised for the science fair

c)

In 700 months, $7 was made

d)

In 7 months, I made $200

26.

What are the coordinates of Point C?

a)

(-4, -2)

b)

(-2,-4)

c)

(4, 2)

d)

(2, 4)

27.

The coordinates for the ORIGIN in the coordinate plane are________?

a)

(1,1)

b)

(0,0)

c)

(0,1)

d)

(1,0)

28.

In the coordinate points (2,7) the 2 represents

a)

y

b)

origin

c)

x

d)

point

29.

What are the coordinates for Point B?

a)

(-8, 8)

b)

(8, 8)

c)

(6, -6)

d)

(-6, 6)

30.

Where is point A located:

a)

(1, 1,5)

b)

(1.5, -1)

c)

(-1.5, 1)

d)

(2, -1)

31.

-5+7=?

a)

12

b)

2

c)

-2

d)

-12

32.

12+(-3)

a)

9

b)

-9

c)

15

d)

-15

33.

-6\ -\ 10\ =\ ?

a)

-4

b)

4

c)

16

d)

-16

34.

7\ -\ 13\ =\ ?

a)

6

b)

-6

c)

20

d)

-20

35.

12\ \cdot\ -4\ =?

a)

48

b)

-48

c)

24

d)

8

36.

-72\div12\ =?

a)

8

b)

-8

c)

-6

d)

6

37.

In Buffalo, New York, the temperature was -14°F in the morning. If the temperature dropped 7°F, what is the temperature now?

a)

7°F

b)

21°F

c)

-21°F

d)

-7°F

38.

(-25) ÷ (-5)

a)

5

b)

-5

c)

-20

d)

-30

39.

Mt. Everest, the highest elevation in Asia, is 29,028 feet above sea level. The Dead Sea, the lowest elevation, is 1,312 feet BELOW sea level (HINT: that's -1,312). What is the difference between these two elevations?

a)

30,340 feet

b)

27,716 feet

c)

-27,716 feet

d)

-30,340 feet

40.

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

Unit 7 Review

Total questions: 40

Worksheet time: 55mins

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