Year 8 Term 3 Revision

Triangles

100

How many angles in a triangle?

3

200

What is the side that is ALWAYS opposite the right angle?

Hypotenuse

300

What is the formula for Pythag?

a²+ b² =c²

400

What is the formula for Scale factor

Shape B divided by Shape A

500

The three sides of a triangle are 3, 5, 10. There is a scale factor of 5. What is new sides of the similar triangle

15, 25, 50 

Measurement

100

What is the perimeter of a shape

the outside of it.

200

What is the formula for the volume of a Prism?

V = area of base x H

300

What is the value of Pi to 2 decimal places

3.14

400

I'm recarpeting. The floor is 6m x 4m. How much carpet will I need?

24m²

500

I want to the old pool hole with dirt. It measures 10 x 15 x 2. How much dirt will I need

10 x 15 x 2 = 300m³

Probability

100

What is the probability of something NEVER happening?

Impossible

200

What percentage is an equal opportunity

50%

300

In a bag of skittles containing blue, green, purple and red lollies. What is the probability of getting a purple skittle?

1 in 4

400

Rolling 2x 6-sided dice which number is the most likely to be rolled

7

500

A bag contains 6 red marbles, 4 blue marbles, and 5 green marbles. One marble is chosen at random.
What is the probability that the marble is not red?

9/15 or 3/5 

Numeracy - no Calculator

100

What is 8²

64

200

Write 3/4 as a percentage

75%

300

23 x 8

184

400

33 + 2 x 5 - -10

53

500

3² + 4 x 6 - 2²

29

Random

100

True or False:

There are penguins living in Australia?

true 

Fairy penguins - found along the southern coasts, including Victoria, Tasmania, and even as far north as Port Stephens in NSW. 

200

On the Australian first nation's flag, what does the red represent

The red dirt.

300

Where (which country) would you find the volcano, Mt Vesuvius located

Italy

400

Which is the only planet NOT named after a Roman God?

Earth 

500

What happens to an Octopus when they get stresseed?

They eat their own arms