BODMAS (Order of Operations)

Index form

100

Express 84 as a product of prime factors.

2² x 3 x7

200

Express 180 as a product of prime factors.

2²x3²x5

300

Express 360 as a product of prime factors.

2³x3²x5

400

Express 1,260 as a product of prime factors

2² x3²    x5 x 7

500

Express 2,520 as a product of prime factors.

2³ x 3² x 5 x 7

Include brackets

100

5+3x2=16

(5+3)x2

200

18- 6 / 3 +2 x 4= 12

(18-6)

300

48 / 4 +2 x 3-1 =6

(4 +2 x (3-1))

400

72 / 3+5 x 2- 4 = 6

((3+5) x 2- 4)

500

2 +3 x 4+5² - 6 = 39 (there can be multiple brackets)

(2+3) and (5² - 6)

Solve

100

3 + 4 x 5

23

200

7 + (2 x 4) - 1

14

300

56 ÷ (4+4) + 3

10

400

20 – (5+3) x 2 + 4

8

500

(5 x 4) – 6 ÷ 2 + 9

26

Solve

100

14 - 2 x 7

0

200

49 ÷ (3+4) + 5

12

300

5 + 14 ÷ 2 × 5

40

400

10 - 5 + ( 3 x 2) - 3

8

500

23 + 2 x 3 - 2

27

Life

100

Which country has a unicorn as its national animal?

Scotland

200

What is the only continent without native species of snakes?

Antartica

300

Which planet rains diamonds, according to scientific predictions?

Neptune

400

Which country is famous for inventing LEGO?

Denmark

500

Which country has the most pyramids in the world?

Sudan