Decimals
Fractions
Percentages
Ratios/Proportions
Take It Back
100

Convert 1/2 into a decimal.

.5 or .50 or 0.5

100

Turn 40% into a fraction and simplify 

2/5

100

Turn .6 into a percent

60%

100

2 : 5 is equivalent to 14 : ___


35

100

-8 + 3


-5

200

Convert 75% into a decimal

.75

200

Turn .5 into a fraction. 

1/2

200

Turn .125 into a percent

12.5% 

200

2 : 3 is equivalent to ___ : 12


8

200

 7 - (-10) =


17

300

Convert 4/5 into a decimal.

.8 or 0.80

300

Turn .75 into a fraction and simplify

3/4

300

Turn 3/4 into a percentage. 

75%

300

A teacher had 21 red pens. If the ratio of red pens to blue pens she owned was 3 : 5, how many blue pens did she have?


35

300

-9 + -3


-12

400

Turn the sum into a decimal.

2/4 + 1/4 = _______

.75

400

Turn the sum of the problem into a fraction. 

.06 + .04  = 

1/10

400

Turn 8/10 into a percentage

80%

400

There are twenty girls and five boys in a class. What is the ratio of boys to girls?


1:4

400

-4 - (-4)


0

500

Turn the product into a decimal. 

5/10 X 5/5

.5 or .50  or 0.5

500

Turn the product into a fraction. 

.3 X .5 = 

3/20

500

Turn the Sum into a percentage

.06 + .04

10%

500

In a video game for every 6 enemies you defeat, you earned 3 points. If you defeated 48 enemies, how many points would you have earned?


24

500

12x5-(7x5)


25