Expanding and Factorising

Expand

100

4(x+2)

4x+8

200

2(6+y)

12+2y

300

13(x+3)

13x+39

400

8x(x+3)

8x²+24x

500

7y(4y-12)

28y²-84y

Expand (FOIL)

100

(x+1)(x+2)

x²+3x+2

200

(y+3)(y+8)

y²+11y+24

300

(x-1)(x+1)

x²+1

400

(x-6)(x+2)

x²-4x-12

500

(2x+1)(x+9)

2x²+19x+9

Factorise

100

7x-14

7(x-2)

200

6x-3

3(2x-1)

300

5x²+15

5(x²+3)

400

5x²+15x

5x(x+3)

500

4x+16-8y

4(x+4-2y)

For everyone Challenge

100

What is Acrophobia?

Fear of heights

200

What is Ophidiophobia?

Fear of snakes

300

What is Trypanophobia?

Fear of injections/needles

400

what is zoophobia?

Fear of animals

500

How many dimples does an average golf ball have?

336

For Everyone Challenge 2

100

What country has competed the most times in the Summer Olympics yet hasn’t won a gold medal?

The Philippines.

200

What does NBA stand for?

National Basketball Association.

300

How long is a marathon?

42 kms

400

 In what game is “love” a score?

Tennis

500

How many sports were included in the 2008 Summer Olympics?

28