Add/Subtract Terms
Multiply/Divide Terms
Expand Brackets
Factorise
Challenge
100

Simplify by collecting like terms:

5x - 3x 

2x

100

Simplify by multiplying/dividing:

2a x 3b

6ab

100

Expand the brackets:

2(a + 3)

2a + 6

100

Factorise the expression (introduce some brackets):

2a + 6

2(a + 3)

100

I have hands but cannot clap.

What am I?

A clock

200

Simplify by collecting like terms:

10x - 4x + x

7x

200

Simplify by multiplying/dividing:

7a x 4a

28a2

200

Expand the brackets:

3(4a - 2)

12a - 6

200

Factorise the expression (introduce some brackets):

5a - 25

5(a - 5)

200

Ready for a challenge?

Stand on one leg and balance for 10 seconds with your eyes closed.

300

Simplify by collecting like terms:

12x - 15x - 2x

-5x

300

Simplify by multiplying/dividing:

2a x 3b x 4a

24a2b

300

Expand the brackets:

4a(b + 5)

4ab + 20a

300

Factorise the expression (introduce some brackets):

10b + 35

5(2b + 7)

300
I have cities but no houses, rivers but no water, and roads but no cars.


What am I?

A map

400

Simplify by collecting like terms:

2x + 3y + 5x - 2y

7x + y

400

Simplify by multiplying/dividing:

12a2b
3ab

4a

400

Expand the brackets:

5a(3b - 6a)

15ab - 30a2

400

Factorise the expression (introduce some brackets):

12a2 - 24ab

12a(a - 2b)

400

Ready for a challenge?

Do 10 jumping jacks, then immediately spell you name backwards out loud without messing up or pausing.

500

Simplify by collecting like terms:

6x2y + 8xy2 + 2x2y - 8xy2

8x2y

500

Simplify by multiplying/dividing:

4a x 6ab
2a x 4a

3b

500

Expand the brackets:

2a(3a + 4b - 5c)

6a2 + 8ab - 10ac

500

Factorise the expression (introduce some brackets):

15ab - 25b2

5b(3a - 5b)

500

I am not alive, but I grow. I don't have lungs, but I need air. I don't have a mouth, but water kills me.

What am I?

Fire