Year 9 Maths 2021 Review

Algebra x2

100

2a x -3a =

-a

200

3a² x 6a

18a³

300

12a² divided by 6a

2a

400

3a + 3b - 12a + 4a - 2a^{2 =} 

-5a + 3b - 2a²

500

Expand and simplify

(x - 3) (2x + 6)

2x² - 18

Measurement x2

100

3.3m converted to kms

0.0033kms

200

The area of square is 25m² what are its side lengths?

5m

300

What is the volume of rectangular prism with L=4cm, W=3cm, H=2cm?

24cm³

400

Mr. Riley walks 4ms forwards, then 3ms to left, and returns to his original position. What is the area he has created during his walk?

6m²

500

The base of a ladder is sitting 3m from a 4m wall. if the ladder reaches the top of the wall what is the length of the ladder?

5m

Random Math x2

100

-3 x -7 =

21

200

4 x 18 =

72

300

What is the square root of 144?

12

400

What are the first 7 Prime Numbers?

2, 3, 5, 7, 11, 13, and 17

500

What number am I? I am angle sum of 3 triangles divided 2

270

Sport

100

Who won the 2021 AFL Premiership?

Melbourne

200

Who won the AFL 2021 Brownlow Medal?

Ollie Wines

300

Who won the most medals in the 2020 Summer Olympics?

US

400

Who is the all time leader for points scored in NBA?

Kareem Abdul-Jabbar · 38,387

500

Where was the Olympics held in 2000 (Country and City)

Australia, Syndey

Music

100

Who sings baby?

Justin Bieber

200

Who is Megan Fox currently dating?

Machine Gun Kelly (MGK)

300

What Aboriginal Artist sang at 2021 Toyota AFL Premiership?

Baker Boy

400

Who's known as the working class man?

Jimmy Barnes

500

What are the first names of all the Beatles?

John, Geogre, Paul, Ringo