Year 9 Algebra

Adding and Subtracting Terms

1

10x - 3x

7x

2

3y + 2y - 7

5y - 7

3

4a - 5b + a + 2b

5a - 3b

4

7ab + 2a - 3ab - 5a - b - 4ab

-3a - b

5

5ab + 7 + 3a²b - 3ab - 4 + 6ba²

2ab + 3 + 9a²b

Multiplying and Dividing Terms

1

3a x 5

15a

2

14cd/7c

2d

3

5gh x -3g

-15g²h

4

-10xy/4x²y

-5/2x

5

-5a x 3ab x -2bc

30a²b²c

Expanding Brackets and Random Maths

1

How many dots on a standard die?

21

2

Expand 5(x + 3)

5x + 15

3

Expand 3(4a - 8)

12a - 24

4

What is the formula for Pythagoras' Theorem?

c² = a² + b²

5

Expand and simplify 3(2b - 8) + 4

6b - 20

General Knowledge

1

In what town do the Simpsons live?

Springfield

2

What galaxy are we in?

Milky Way

3

Yen is the currency of which country?

Japan

4

How many legs does a lobster have?

10

5

What are the five colours of the Olympic rings?

Blue, yellow, black, green and red

General Knowledge

1

How many strings on a guitar?

6

2

Which country is shaped like a boot?

Italy

3

What sport did Serena Williams play?

Tennis

4

What are the two animals on the Australian coat of arms?

Kangaroo and Emu

5

Which actor played Forrest Gump?

Tom Hanks