Dangerous Decimals
Freaky Fractions
It's all Latin to me
How do you figure
Lets get mental
100

75/100 written as a decimal

.75

100

4/5 =  ?/100 Find the missing numerator

80

100

The meaning of the latin phrase "per centum"

by the hundred (100) or percent

100

5/6 x 54 = 

45

100

10% of 55

5.5

200

3/10 written as a decimal

.3

200

Simplify 16/5

3 1/5

200

How many years are in 3 centuries?

300

200

12 is what percent of 60

20%

200

20% of 70

14

300

.4567 rounded to the nearest hundredth

.46

300

Find the missing denominator  9/25=36/?

100

300

give a word with the latin root of cent (meaning 100) other than century 

centimeter, centipede, .......

300

Find 1% of 75

.75 of 75/100

300

90% of 90

81

400

3/5 written as a decimal

.6

400

Simplify 18/54

1/3

400

If I have 10,000 cents how many dollars do I have?

$100

400

How much is 25% of 60

15

400

3% of 25

.75

500

3/8 as a decimal to the nearest thousandth

.375

500

Simplify 28/77

4/11

500

100% of 355 = ?

355

500

What is the formula for percentage change?

new-old/old x 100

500

6% of 50

3

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