Percentages

Change to Fraction and Decimal

100

Change 10% into a fraction and a decimal

1/10 = 0.1

200

Change 20% into a fraction and a decimal

0.2=1/5

300

Change 25% into a fraction and a decimal

1/4=0.25

400

Change 35% into a fraction and a decimal

0.35=7/20

500

Change 110% into a fraction and a decimal

1.1= 11/10

Change to a Percentage

100

0.5

50%

200

0.9

90%

300

3/10

30%

400

4/5

80%

500

3/8

37.5%

What percentage is this?

100

$2 out of $20

10%

200

$2.50 out of $10

25%

300

400m out of 1000m

40%

400

30seconds out of 1 minute

50%

500

70cm out of 350m

0.2%

Find the Percent of..

100

Find 10% of $500

$50

200

Find 5% of $300

$15

300

Find 20% of $450

$90

400

Find 15% of $60

$9

500

Find 35% of $1200

$420

Percentage Increase and Decrease

100

Increase $200 by 10%

$220

200

Decrease $40 by 10%

$36

300

Increase $90 by 30%

$117

400

A shop has a $45 pair of pants on sale, 20% off, what is the new price?

$36

500

A shop marked up a $60 item by 10% and then later put it on sale, 10% off. What is the sale price of the item?

$59.40