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Ratios
Unit Rate
Percents
Please Excuse My Dear Aunt Sally
Exponents and Prime Factorization
100

In a drawing, there are three circles, four stars, and three triangles. What is the ratio of stars to the total number of shapes.

What is 2/5 or 4/10

100
George read 126 pages of a book in 18 minutes. How many pages did he read in 1 minute?
7 pages per minute
100

Morgan received a 78/80 on her last test. What percent of the questions did she get right?

What is 97.5%.

100

9 - 3 x 2=12

Correct answer is 3. Do x then -, not - then x.

100

The __________________ tells how many times to use the base as a factor.

Exponent

200
Write a unit rate for this situation: 310 heartbeats per 5 minutes
62 heartbeats/minute
200
The science materials cost $65.70 to do the experiment. If 9 students participated in the experiment, what was the unit cost per student?
$7.30
200

72% of 12 is _____. Round to the nearest WHOLE number

What is 9?

200

7 + (2 x 4) - 1

14

200

Write the prime factorization using exponents 48

2^4 * 3

300
The recipe calls for 2 eggs for every 8 cups of flour. How many eggs are needed with 40 cups of flour?
10 eggs
300
The toys cost $69.95 for 5 models. What is the unit rate for each model toy?
$13.99 per model toy
300

12 is 20% of _____.

What is 60?

300

(4-1)^2 + (5+ 1)^2

45

300

Write 7^ 3 as a product of the same factor. Then find the value.

7 * 7 * 7 Value = 343

400

There are 40 white rabbits in a cage. The ratio of white rabbits to grey rabbits is 2:7. How many grey rabbits are in the cage?

140 white rabbits

400
A factory can produce mousetraps at a rate of 1500 traps in 3 hours. What is the unit rate per hour?
500 traps per hour
400

**DAILY DOUBLE** 18 is _____% of 54

What is 33.3333....%?

400

Tell what 5^3 really means.

It means 5 x 5 x 5

400

The number 3^4 is written in ________________ form.

Exponential

500

There are 15 pink mice in a cage. The ratio of pink mice to black mice is 5:3. How many black mice are in the cage?

9 mice

500
Hillary earned $45 babysitting. If she babysat for 6 hours, what was her rate per hour?
$7.50 per hour
500

**DAILY DOUBLE** Mary got 18 out of 25 on her test. What was her percentage?

What is 72%?

500

(5 x 4) – 6 ÷ 2 + 9

26

500

Prime, Composite, or Neither? 63

Composite