Fractions/Decimals to Percentages
Percentages to Fractions/Decimals
One Quantity as a Percentage of Another Quantity
% of a Quantity
100
What is 0.12 as a percentage?
12%
100

What is 8% as a decimal?

0.08

100

There are 25 girls, 18 boys, and 7 adults on a bus. What percentage of the people on the bus are adults?

14% of the people are adults

100

What is 35% of $50?

$17.50

200
What is 3.45 as a percentage?
345%
200

What is 8% as a fraction in simplest form?

2/25

200

Ben, Ming, and Samy shared $180. Ben received $45, Ming received $63, and Samy received the rest. What percentage of the money did Samy receive?

She received $72 or 40% of the money.

200

A shirt is 30% off for Black Friday. The regular price is $40. How much is the sale price?

It's on sale for $28

300

Estimate 168/961 as a percentage

20%

300

What is 2% as a fraction in its simplest form?

1/50

300

Duncan spent $480 on a television set and had $320 left. What percentage of his money did he spend on the television set?

He spent 60% of his money on the television set.

300

There were 24 boys and 20 girls in a chess club last year. This year the number of boys in the club was increased by 25% but the number of girls was decreased by 10%. How many students are in the club this year?

28 students are in the club this year

400

When do we move the decimal 2 places to the right? Why are we doing this?

To change a number to a percent. We do this because we are multiplying the number by 100.

400

What is 467% as a decimal? What percentage increase does this represent?

4.67. An increase of 367%

400

400 students were asked to choose their favorite games. 26% of them chose baseball, 12% basketball, 10% volleyball, and the rest chose soccer. How many students chose soccer?

208

400

There were 1500 people at a concert. 55% of them were men, 20% of the remainder were women, and the rest were children. How many children were there?

540 children

500

What percentage of the Maths teachers are male? Round your answer to 1dp.

42.9%

500

What is 0.5% as a fraction in simplest form and as a decimal?

1/200 and 0.005

500

I averaged 80% on 2 tests. Both tests were out of 50 points. I got 42 points on my first test. How many points did I get on my second test?

38 points

500

Amy had $120. She spent 20% of the money on food and 25% of the remaining on clothes. How much money did she have left?

She has $72 left.