8th Grade Math Review: Ultimate Prep Guide

Volume

100

What is the formula for finding volume of a cylinder?

_3.14(r)²_(h)

200

Find the volume for a sphere with a radius of 2 m.

33.5 m³

300

Double Jeopardy 

Fishy went swimming, afterward, she felt very hungry(as always). Fishy decided to go to an ice cream shop. she wanted the biggest ice cream she could get. how much ice cream could she fit inside of a cone with a radius of 1.25 in and a height of 4.7 in? Round your answer to the nearest hundredths place.

7.69 in³

400

Find the volume of a cone with a radius of 6 in and a height of 4 in. use 3.14 and round to the nearest hundreth place if needed

v=150.72 in³

500

Scary cat needed 2 bouncy balls. At the store she bought them. what would the volume be of a sphere with diameter of 17.5 cm. Then double that number so scary cat will know how big the balls are!

5609.4 cm3

Solving for Variables

100

Find the value of C.

21 + C  = 42

C  = 21

200

Find the value of C

13 + 7c = 27

C = 2

300

Find the value of D. 

(d-21)/3 = 3

d = 30

400

Find the value of X.

2x - 65 + 3x = 145

X = 42

500

What is the value of X. 

4x + 22 + 3x = 57

a. x = 13

b. x = 5 

c. x = 3 

 b. x = 5

Slope

100

What is the formula for slope?

y²-y¹ / x²-x¹ 

200

What is the slope of this problem 

3-2 / 6-2 

1/4 

300

what is the slope of this problem? simplify if needed 

-12 -(-2) / -14 - 8

5/11

400

Double Jeopardy 

Dominic is doing slope in math class. Help Dominic figure out the slope of this problem. Make sure to simplify so tung tung tung sahur doesn't eat Dominic 

-19 -(-9) / -15 - (-7) 

5/4

500

Find the slope, simplify f needed.

-2 -7 / -2 - 2 

9/4

Surface Area

100

What is the formula for the surface area of cylinder

2 (3.14) r^{2 +} 2 (3.14) r h 

200

Find the surface area of a cylinder with a height of 13, and a radius of 7. use 3.14 for pie

879.2 cm²

300

Find the surface area of a cylinder with a height of 10in  and a radius of 4in  use 3.14 for pie. round to the nearest tenth place 

351.7 in²

400

Tray went grocery shopping. He walked into the chip isle and got a can of beans. what is the surface area of the beans if the radius is 6 in  and the height is 9 in. Then Tray wanted to buy a second can of the same beans. what is the total surface area? Use 3.14 for pie. round to the nearest tenth place.

1130.4 yd ² 

500

Find the Surface Area of the cylinder.It has 14 as the radius of 6 and the height of 10.

603.2 yd²

Final Jeopardy

500

Final Jeopardy 

3n + 2 = 17

n = 5