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# Numbers - Fractions, Decimals and Percentages

Converting decimals to percentages is pretty easy really, so don't worry too much about this. Just put it as something over a hundred and cancel it down.
1. Express each of the following as a percentage: Put the percent symbol after the number. Eg 66%
1. 0.25
____________   X
2. 0.5
____________   X
3. 0.75
____________   X
4. 0.1
____________   X
5. 0.4152
____________   X
6. 0.8406
____________   X
2. Express each percentage as a decimal:
1. 50%
____________   X
2. 12%
____________   X
3. 40%
____________   X
4. 34%
____________   X
5. 60.2%
____________   X
6. 54.9%
____________   X
3. Express each of the following as a percentage. Round your answers to 1 d.p. where necessary.
1. 1/2
____________   X
2. 1/4
____________   X
3. 1/8
____________   X
4. 3/4
____________   X
5. 1/25
____________   X
6. 2/3
____________   X
7. 4/15
____________   X
8. 2/7
____________   X
All you're doing is multiplying by 100 Now you're dividing by 100 — so just move the decimal point to the left.
4. Express each percentage as a fraction in its lowest terms:
It's best to put them over 100 Then get rid of the decimal point by multiplying top and bottom by 10. Then just cancel down as normal.
1. 25%
____________   X
2. 60%
____________   X
3. 45%
____________   X
4. 8.2%
____________   X
5. 88.6%
____________   X
6. 30%
____________   X
7. 32.4%
____________   X
5. 119 out of 140 houses on an estate have DVD players. What percentage is this?
____________   X
6. In an exam Tina scored 52/80. The grade she receives depends on the percentage scored. What grade will Tina get?