Maths Revision

Statistics

100

The mode of 6, 6, 7, 7, 8, 10, 13, 14, 14, 14, 16 is?

14

200

The range of 12, 7, 11, 14, 3, 7 is?

11

300

What is the mean of 10, 55, 67, 24, 11, 16?

30.5

400

Find the median of 1.7, 1.2, 1.4, 1.6, 2.4, 1.3?

1.5

500

What is Q3 of 4, 5, 8, 10, 10, 11, 12, 14, 15, 17, 21?

15

Straight Line Graphs

100

What is the gradient of y = 2x+3

2

200

What is the y-intercept of the line -y=2x+3

-3

300

Find the midpoint of (-3,6) and (5,1)

(1,3.5)

400

Sketch the graph of y=3x+4

Up to my decision

500

The x and y intercepts of the graph of the rule 3x-y=4.5 are?

(1.5,0) and (0, -4.5)

Pythagoras and Trigonometry

100

What is the Pythagoras' Formula?

a²+b²=c²

200

what is the formula for sin

Opposite/Hypotenuse

300

What is the length of the hypotenuse?

Side lengths are 4 cm and 8cm

9cm

400

What is the length of x. (Ill draw the triangle). Bottom angle is 52 degrees, right side length is 3.5, x is the hypotenuse

4.44

500

Find the angle in this right-angled triangle (I'll draw it). Left side=2, Hypotenuse =3

41.81 degrees

Equations

100

The solution to x+7=9 is

x=2

200

A number is increased by 6 and then doubled. The result is 36. This translates to: 

2(x+6)=36

300

The solution to 3(x-1) =12 is 

x=4

400

Solve the following:

8-x is less then or equal to 10

x greater then or equal to -2

500

Solve the following 3(2x+4) - 4(x-7) = 56

x=8

Lucky Dip

100

How many communities are there at Crusoe College?

4

200

What is the longest river in the world?

The Nile

300

What AFL team do I barrack for?

North Melbourne

400

What was Disney's first film?

Snow White

500

What's my middle name? Starts with J and is 4 letters long

John