Maths Revision

Percentages

100

Write 8 / 20 as a percentage

40%

200

What is 1/4 represented as a percentage?

25%

300

What is 2 represented as a percentage?

200%

400

The price of an item increased from $50 to $55. What is the increase in percentage of price?

10%

500

The population of a school increases by 5% of its original population each year. If the town has 1 500 as its original population, then how many people live there after the third year?

1 725

Simplifying Equations

100

Simplify the following:

6x / 9

x / 3

200

Expand and simplify the following equation:

2(4x + 3) + 5x

13x + 6

300

Factorise the following equation:

5x + 35

5 (x + 7)

400

Factorise the following equation

14x + 42

14(x+3)

500

Factorise the following:

4x² + 6x + 8x

2x(x+3+4)

Solving Equations

100

Solve the following:

8x = 96

x = 12

200

If a = 6, b = 3, and c = 7, solve the following equation.

ab + c

ab + c = 25

300

Solve the following:

4x - 28 = 64

x = 23

400

Solve the following:

8(2x - 6) - 12 = 4

x = 4

500

Solve:

3(2x + 4) = 4(3x - 15)

x = 12

Decimals

100

Convert 58% into a decimal

0.58

200

Round 0.70698 to 3 decimal places

0.707

300

Would the fraction 4/3 create a terminating or non-terminating decimal?

Recurring

1.33333333333333333...

400

What type of decimal is 0.75

Terminating

500

Would 12/27 give a terminating or recurring decimal?

Recurring decimal

Fractions

100

What is 30% in fraction form?

3 / 10

200

Convert the following to a mixed fraction:

133.3%

1 1/3

300

What is 5/7 + 3/4

41/28

400

6/7 - 3/4

3/28

500

If I got 85% on my test which had 40 marks on it, calculate how many marks I got correct in the test

34