Year 9 Maths Revision

Number

100

6.7 x 13.2

88.44

200

Show that 4 1/10 - 1 7/8 = 2 9/40

Process shown

300

Calculate 27^1/3 

3

400

Simplfy the following: 

(12√10) / (3√2)

4√5

500

Simplify fully: 

2√24 + √54

7√6

Number II

100

Write 360000 in standard form

3.6x10⁵

200

Write 0.4* (recurring) as a fraction. 

4/9

300

Calculate (27/125)^2/3

9/25

400

Simplify the following: 

(6a²b³ x ab⁴) / (3ab²)

2a²b⁵

500

Write √112 in the form k√7, where k is an integer

4√7

Algebra

100

Factorise and Hence Solve: x² + 23x + 60 = 0

(x + 20)(x + 3)

x = -20

x = -3

200

Solve: 

2x + 3y = 18

6x + 3y = 30

x = 3

y = 4

300

Here are the first 5 terms of a quadratic sequence

15   19   25   33   43

Find the nth term:

n² + n + 13

400

Complete the Square: x² + 10x + 10

(x + 5)² - 15

500

Shown on PowerPoint

3/ (x-7)

Shape

100

Area - See PowerPoint

24cm²

200

Pythagoras - PowerPoint

6.2 cm

300

Trigonometry - PowerPoint 

18.2 degrees

400

Surface Area - PowerPoint 

364.4 cm²

500

Volume - PowerPoint 

263.9 cm³

Pot Luck

100

Solve: 3(2x - 1) = x + 12

x = 3

200

Make t the subject

rt + 4t = s

t = s / (r+4)

300

Give an equation of a straight line, parallel to y = 5x + 2, that goes through the point (0, -3) 

y = 5x - 3

400

Missing Angle - PowerPoint

41.8 degrees

500

Standard Form - PowerPoint

7.7 x 10²