Year 9 Maths
Maths Mentals
Your Teacher
Your School
Fun Facts
100

Name three topics you learnt about last year.

Answers could include: Ratios/Rates/Direct Proportion, Linear graphs, Composite shapes, surface area, volume, algebra (distributive law and binomials), Non-linear graphs, Similar triangles, scale factor, Pythagoras' theorem, trigonometry, statistics, probability, simple interest

100

3 x 6 + 5 = 

23

100

What is your Maths teacher's name?

Mrs Demezhan

100

Identify three things you should have for every lesson.

Possible responses: pen/pencil, book, laptop, compass, calculator, ruler, protractor, diary, your best!

100

Australia has around three times more ______ than people?

Sheep

200
What do we call the longest side of a right-angled triangle?

The hypotenuse

200

8 x 6 - 9 x 3 = 

21

200

What countries have I lived and worked in before?

Kazakhstan, Thailand, China, USA.

200

What are 3 things you need to do to do well in this class?

Possible answers: Do Sparx prep on time, always focus, be respectful, be kind towards each other and help others, ask questions when you don't understand, revise outside class

200

In a room of 23 people, there's a 50% chance that two people will have _____________?

The same birthday

300

How many milligrams in a gram?

1000

300
(72 + 1)/2 = 

25

300

What should you do if you have a question for your Maths teacher outside of class?

Either send an email, or come and find them in D401 or 4th floor faculty saloon.

300

If there's a fire alarm, what should you do?

Leave everything, take the stairs down to the atrium and follow your tutor's lead to leave the building

300

Which number, when spelt, has the same number of letters as the number itself?

Four

400

Use the distributive law to expand r(r + 3).

r2 + 3r

400

5(p + 6) = 

5p + 30

400

What is your Maths teacher's favourite colour?

Pink and purple

400

Where do you go if you're not sure where one of your classes is?

Find your tutor or Mr Findlay and ask them

400

Which animal's fingerprints are so close to human fingerprints that they have been confused at a crime scene?

A koala.
500

Define mean, median and mode.

Mean: the average of a set of scores

Median: the middle score

Mode: the most frequently occurring score

500

(g + 7)(g + 5) = 

g2 + 12g + 35

500

How many kids do I have and how old are they?

1 and nearly 12 months

500

What should you do before leaving a classroom?

Check for rubbish around your desk

Wait to be dismissed by your teacher

500
Nearly 3% of ice in Antarctic glaciers is made up of what?

Penguin urine.

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