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Chapter 3 Test: Integers

Last updated over 4 years ago

25 questions

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

3

2

3

Question 21

21.

Define integer. Then, give two examples of an integer.

2

Question 22

22.

22a) While Alex was surfing, he rose 36 feet above the water as he rode the wave. Within seconds he fell 48 feet, where he hit the ocean floor. How deep was the ocean where Alex was surfing? Write an expression for the situation.

2

2

2

Question 1

1.

Which integer represents a loss of $20?

|-20|

-20

|20|

20

Question 2

2.

What is the value of |-4|?

-4

-|-4|

4

8

Question 3

3.

What is the value of |7|+|-3|?

10

4

-4

-10

Question 4

4.

What integers represent Q and R on the number line?

Q: -3, R: 1

Q: -1, R: 3

Q: 3, R: -1

Q: 1, R: -3

Question 5

5.

What value of s makes -18 - (-5) a true sentence?

23

13

-13

-23

Question 6

6.

11 + (-7)

-18

-4

4

18

Question 7

7.

-5(-11)

55

16

-16

-55

Question 8

8.

-15 ÷ (-3)

18

5

-5

-18

Question 9

9.

-39 - 7

-46

-32

46

273

Question 10

10.

A snake dives towards deeper water at a rate of 18 inches per second. If the snake continues at this rate for a total of 9 seconds, which expression represents the snake's position?

9 ÷ 18

9 ÷ (-18)

9(-18)

-9(18)

Question 11

11.

Amanda has $31 in her purse. She pays $6 for lunch. Which expression represents this situation?

31 + 6

31 + (-6)

-31 + 6

-31 + (-6)

Question 12

12.

The lowest temperature on Mars can reach -140°C while the highest temperature can be 20°C. What is the difference between the highest and lowest temperatures on Mars?

120°C

140°C

160°C

200°C

Question 13

13.

In which of these situations would the answer to the question be 0?

Teddy jumped into a pool from a diving board 8 feet above the water. He sank 8 feet and then swam straight up to the surface of the water. How many feet did Teddy swim?

Jerry left his house and walked 1.5 miles directly west. Then he walked 1.5 miles directly east. At this point, how many miles was Jerry from his house?

A trail begins at an elevation of -50 feet. The trail ends at an elevation of 50 feet. By how many feet does the elevation of the trail change from beginning to end?

The low temperature one day was -3°C. The high temperature that day was 3°C. What is the difference between the low temperature and the high temperature that day?

Question 14

14.

-4 - (-23)

Question 15

15.

-10(5)

Question 16

16.

Question 17

17.

-11 + 4

Question 18

18.

-26 ÷ 2

Question 19

19.

|-41| + |8|

Question 20

20.

Does |-13 + 2| equal |10 + 1|? If so, explain why. If not, state what each absolute value expression equals.

Question 23

23.

22b) Solve your expression to find the depth of the ocean where Alex was surfing.

Question 24

24.

23a) In one day, a hiker climbed up a mountain a verticla distance of 100 feet, down a vertical distance of 23 feet, up a vertical distance of 25 feet, and down a vertical distance of 36 feet. Write an addition expression to represent the distances the hiker climbed up and down during the day.

Question 25

25.

23b) Solve your expression to find the elevation of the hiker by the end of the climb.