8Maths 2025

Measurement

100

Find the perimeter of a rectangle with a length of 8cm and width of 3cm. 

22cm

200

Calculate the area of a kite with diagonals 6mm and 11mm. 

A=33mm²

300

A triangular prism has a base of 3m, perpendicular height of 4.5m and length of 7m. Calculate its volume. 

V=47.25m³

400

Calculate the perimeter of a semicircle that has a diameter of 12cm.

P = 30.85cm

500

A swimming pool has a volume of 210m³. Determine the capacity it can hold in water in litres. 

Capacity = 210000L

Mental Math

100

6+7= 

 13

200

6x7=

42

300

670/10=

67

400

3.2 x 1.5=

4.8

500

76 - (20+3) x 4 = 

-16

8 Math topics

100

There are 12 boys and 16 girls in a class. Write this as a simplified ratio.

12:16 = 3:4

200

What are the coordinates of the Origin (Linear Equations).

(0,0)

300

A bag contains 80 chocolates, and 32 of them are dark chocolate. If a chocolate is picked at random, what is the probability that it is not dark chocolate?

48/80 or 0.6 

400

Sally walks 4 km due North and then 3 km due East. How far has she walked as the crow flies from her starting point. 

5km

500

Find the value of x when 3x - 2 = 4

x=2

General Knowledge

100

How many positions are there in netball?

7

200

What is the only even prime number?

2

300

Which element has the chemical symbol Na?

Sodium

400

What is the first book in the Old Testament of the Bible?

The book of Genesis

500

What is the capital of Indonesia?

Jakarta

Pop Culture

100

In the movie Frozen, what is the name of Elsa's sister?  

Anna

200

What sport is played by the Essendon.

a) Soccer

b) AFL

c) Rugby Union

d) Rubgy League 

b) AFL

300

What is the rarest ore in Minecraft?

Deepslate Emerald Ore

400

Which artist made history as the youngest winner of the Grammys' four main categories in 2020?  

Billie Eilish

500

Bing Bong is a character in which 2015 film? 

Inside Out