Fractions, Decimals, Percentages & Ratios

Decimal/Fraction

100

Change 0.6 to a fraction in simplest form. 

3/5

200

Change 0.75 to a fraction in simplest form. 

3/4

300

Change 0.2 to a fraction in simplest form.

1/5

400

Change 0.45 to a fraction in simplest form. 

9/20

500

Change 0.335 to a fraction in its simplest form. 

67/200

Decimal/Percentage

100

Change 0.47 to a percentage.

47%

200

Change 0.9 to a percentage.

90%

300

Change 3.67 to a percentage.

367%

400

Change  0.00034 to a percentage.

0.034%

500

Change 2.89 to a percentage.

289 %

Percentage/Fraction

100

Change  60% to a fraction in simplest form. 

3/5

200

Change 30% to a fraction in simplest form.

3/10

300

Change 250% to a mixed number in simplest form.

2  1/2

400

Change 4.2% to a fraction in its simplest form. 

21/500

500

Change 873 % to a mixed number. 

8  73/100

Percentage Change

100

Increase $100 by $20

$120

200

Decrease $15 by 20%

$12

300

Increase $2500 by 25%

$3125

400

Decrease 3000g by 5%

2850g

500

Increase 5 meters by 150%

12.5 meters

Ratio

100

Which ratio is the odd one out? 

1:2 

3:9

4:8

3:9

200

Simplify the ratio 7:21

1:3

300

If a shop sells 30 hats for every 25 sunglasses, what fraction of their sales are hats?

30/55 = 6/11

400

A recipe for a cake uses butter and sugar in the ratio 4∶7. If Bodi uses 120 g of butter, how much sugar should he use?

210 g of sugar

500

Layla and her brother get paid $45 between them for their chores in the last month. Layla cleaned 4 times, her brother cleaned 5 times. If they split the money fairly for the amount of work they did, how much should Layla be paid?

4:5 ratio

$20 for Layla, $25 for her brother