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Algebra

100

Simplify 3x+5x

8x

200

Solve: x+7 = 15

8

300

Expand: 4(x+3)

4x+12

400

3x - 5 = 16

x = 7

500

factorise x² +7x + 12

(x+3)(x+4)

Numbers

100

What is 25% of 80

20

200

Calculate 3.6 x 5 

18

300

What is 3/4 as a percentage

75%

400

What is the HCF of 36 and 48

12

500

Calculate 2/5 + 3/6

9/10

Geometry

100

How many degrees are in a full turn 

360

200

What is the sum of angles in a triangle

180°

300

A triangle has angles 50° and 60°. Find the the third angle

70°

400

What is the angle of one side of a rectangle

90°

500

What is the sum of interior angles of a hexagon

720°

Area and Perimeter

100

What is the area of a square with sides 5 cm

25cm²

200

Find the area of a rectangle with sides 12cm and 4cm

48cm²

300

Find the area of a triangle with base 14cm and height 9cm

63cm²

400

Find the area of a trapezium wth parallel sides 4cm and 8 cm long, respectively, and height 16 cm

96cm²

500

Find the area of a circle with radius 14cm
Hint: Use π as 22/7 

44cm²

Ratio and Proportion

100

Simplify the ratio 6:12

1:2

200

Divide 40 in the ratio 3:5

15:25

300

If 4 pens cost $12, how much do 7 pens cost

$21

400

A map scale is 1:50,000. What real distance does 4 cm represent?

2 km

500

5 workers complete a job in 12 days. At the same rate, how many days would 10 workers take?

6 days