Year 9 Set 3 Revision

Unit 1

100

Write down all of the square numbers from the following list:

1,2,3,4,5,6,7,8,9,10

1,4,9

200

find the HCF of  and 10 and 85

5

300

Find the LCM of 18 and 24

72

400

Express 360 as a product of its prime factors.

2³ x 3² x 5

500

21 - (-4 x -5) + (-7 - -10)² 

10

Unit 2

100

Simplify:

3f x 8y

24fy

200

Expand 12(5 - x)

60 - 12x

300

Factorise  2x² + 6x

2x (x+3)

400

Expand

(x+2)(x-4)

x² - 2x - 8 

500

Substitute  x = -2.5

x² + 4x + 10 

-3.75

Unit 4

100

Convert 0.85 into a Percentage

85%

200

3/2 times 5/12

5/8

300

James is investing £1150 into Stocks. They increase by 18.5%. What is the new value of the stocks.

£1362.75

400

8/3 divide 7/9

24/7 

500

5/11 times 1/2 + 23/22

Give your answer as a mixed number

1 3/11

Unit 5

100

Solve 3x - 9 = 12

x = 7

200

4x - 7 = 3(x + 3)

x = 16

300

Make y the subject of the formula

x = 

(r + y) / t

tx - r = y

400

Solve

3(x+1) < 6

x < 1 

500

Factorise

x² + 6x + 8

(x+2)(x+4)

Mr Moore

100

What colour shoes did Mr Moore wear yesterday.

Brown

200

I am going to spin the 9n3 Classcharts wheel

Who is it going to land on?

(Respin if no one is correct)

1 in 27 chance of being correct.

300

How many Australian Dollars did Mr Knox's gift to Mr Moore cost?

$35

400

Mr Moore has thought of a number between 1-30

What is the number?

21

500

How many parents evening appointments did Mr Moore do yesterday?

48