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