Dealing with Decimals
Converting decimals fractions and percentages
Calculating Percentages & Quantities as a Percentage
Increasing/ Decreasing Percentages
100

Order the following decimals in ascending order.

0.1, 0.3, 0.23, 0.12, 0.17

0.1,0.12,0.17,0.23,0.3

100

Convert 30% into a fraction. (In its simplest form)

3/10

100

10% of 42

4.2

100

Decrease 100 by 10%

90

200

Round 1.64785 to 3 decimal places.

1.648

200

Convert 7% into a Decimal.

0.07

200

32% of 170kg

54.4kg

200

Increase 50 by 45%

72.5

300

0.238+0.659

0.897

300

Convert 1/8 into a decimal without a calculator


0.125

300

You ran 100m of a 2km race, but didn't finish. What percentage of the race did you run?

5%

300

Increase $30 by 100%

$60

400

1.345-0.897

0.448

400

Convert 98% into a fraction in its simplest form

49/50

400

You spend 60c of your $3 pocket money. What percentage of money was spent?

20%

400

A Mercedes appreciated in value by 140%. It is was originally bought for $60 000. What is it worth now.

$84 000

500

1.34x0.12

0.1608

500

Convert 486% into a decimal.

4.86

500

You drink 450mL of water out of a 1L bottle. What percentage of water remains?

55%

500

A holden was bought for $30 000. It decreased in value by 30% and then the driver had an accident the car was unrepairable. The insurer only paid the owner 40% of the cars present value. How much did the owner receive from the insurance company?

$8400