Unit Rates and Ratios
Fractions (Multiplying & Dividing)
Rational Numbers
Simplifying Algebraic Expressions
Data Sets
100

A car travels 60 miles in 1 hour, so how many miles does it travel in 3 hours?

180 miles

100

1/4 x 2/4

1/8

100

11 x 152

1672

100

5a + a + 4 - 3b

6a + 4 - 3b

100

 What is the mode of the following data set? 10, 20, 15, 25, 20, 30, 20, 15, 10, and 35.

20

200

Every tick is 9 seconds that goes on for an infinite amount of time. Someone figures out the answer after 73 ticks. How many seconds have passed?

651 seconds = 10 minutes 51 seconds

200

5/16 x 3/2

15/32

200

-23 + 27

4

200

7a + a + 6b + 2b - 3c + 2

8a + 8b - 3c + 2

200

What is the range of the following data set? 17, 92, 9, 45, 62, 83

81

300

Simplify this Ratio.  82635:92350

16527:18470

300

8/14 ÷ 2/3 

6/7

300

-27 - (-29) 

2

300

a + 7(15a - 12b) + 19c + 17a

123a - 84b + 19c

300

 If the mean of five numbers is 18, and four of these numbers are 15, 20, 25, and 10, what is the fifth number?

20

400

Chef Cooper uses 12 tomatoes every 4 chili peppers. She needs 88 tomatoes and a certain amount of peppers for her famous salsa. How many chili peppers will she need too?

22 chili peppers

400

22/35 ÷ 17/5 + 2/9

22/119

400

-17 x 64 + 23(4)

-996

400

14c + 4(16b x 17a) + 292c - 5245d

1088ab + 306c - 5245d

400

What is the median of this data set? 7, 21, 90, 132, 63, 6, 82, 23

43

500

A vat of slime fills up 823 gallons every 6 seconds(if it can be rounded to the nearest whole number round it). How many gallons of slime are in the vat after 7,092 minutes?

58,367,160 gallons of slime

500

23/45 x (5/6 ÷ 2/4)

23/27

500

0.29 ÷ 0.145 + 2.7781

4.7781

500

132a x 422c - 304b +197b

55704ac - 103b

500

A set of six numbers—8, 11, 6, 14, x, and 10—has a mean of 12. What is the value of x?

(A = 23) find the mean of the six numbers = 12  12 x 6 = 72 72 - 49 = 23