Math 8

Multiplying/Dividing Fractions

100

3/8 (5/6)

5/16

200

2 1/3 (-3/4)

-7/4 or -1 3/4

300

6/7 divided by 3/5

10/7, or 1 3/7

400

-7/8 divided by 3 1/7

-49/176

500

Kevin decided to paint some of the rooms at his 14-room inn, Kevin's Place. He discovered he needed 1/4 of a can of paint per room. If Kevin had 2 cans of paint, how many rooms could he paint?

8 rooms

Adding/Subtracting Fractions

100

6/11 + 3/8

81/88

200

4/7 - 2/4

1/14

300

2 4/9 + 7 1/2

179/18 or 9 17/18

400

2/4 - 3 1/3

-17/6 or -2 5/6

500

In a 3-person relay race, the first team member must run 2 1/4 laps, the second team member must run 1 1/2 laps, and the third team member must run 3 5/8 laps. How many total laps will each team run?

59/8 or 7 3/8

Solving Equations

100

Solve for y:    7=−6+y

13

200

Solve for n:     n+7=−7

-14

300

Solve for x:    3x−3=7

10/3 or 3 1/3

400

Solve for x:     9x−7=10

17/9 or 1 8/9

500

To move up to the next level in her video game, Emily needs to earn at least 145 points. Emily has already earned 7 points. If Emily can typically earn 12 points per hour, what is the minimum number of hours it will take her to move to the next level?

12

Ordered Pairs/Line Equations

100

Give a valid ordered pair for the following equation: y=3x

Answer varies

200

Find a valid ordered pair for the following equation: y=2x-3

Answer varies

300

Find the slope of a line passing through (0,2) and (2,4)

1

400

Find the slope of a line that passes through (2,3) and (4,9)

3

500

Find the slope of a line that passes through (-3,2) and (4,-1)

-3/7

Scientific Notation

100

Give 3,600 in Scientific Notation

3.6 x 10^3

200

Give .000000273 in Scientific Notation

2.73 x 10^-7

300

Convert 3.42 x 10^7 to Standard Notation

34,200,000

400

9.73 x 10^5 + 4.32 x 10^4 =

1.0162 x 10^6

500

3.12 x 10^-3 * 2.1 x 10^4

6.552 x 10^1