Math 7: Integer Review (Chapter 1 lessons 4-5)

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16

(-4)²

-64

(-4)³

-700

(-5)(-7)(-20)

54

-2 x (-3)³

20

-40/-2

-7

-49 ÷ 7

-16

-4²

-100

-5² x 4

-10

-8 - 14 ÷ 2 + 5

0

0/18

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18/0

48

3 × (-8) x (-2)

-6

54 ÷ (-9)

-50

A female grizzly bear weighs 500 pounds. After hibernating for 6 months, she weighs only 200 pounds. What is the mean change in weight per month?

2

Evaluate the expression xy/z, when x = 3, y = -4, and z = -6

-2

Evaluate the expression z ÷ x, when x =3 and z = -6

5

Find the mean of the integers -26, 39, -10, -16, 12, 31

3

Find the mean of the integers 3, -10, -2, 13, 11

-1

Find the mean of the integers: -3, -8, 12, -15, 9

-48

Find the mean of the integers: -54, -32, -70, -25, -65, -42

-9

In speech class you lose 3 points for every 30 seconds you go over the time limit. your speech is 90 seconds over the time limit. What integer represents the change in your points?

-72

On a mountain, the temperature decreases by 18°F every 5000 feet. What integer represents the change in temperature at 20,000 feet?

-8

What is the next number in the pattern -128, 64, -32, 16. . .

-3

You dive 21 feet from the surface of a lake in 7 seconds. What is the mean change in your position in feet per second?

-11

You play a video game for 15 minutes. You lose 165 points. What is the mean change in points per minute?

15

You read 105 pages of a novel over 7 days. What is the mean number of pages you read each day?


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