BIDMAS, Negative Numbers, Collecting Like Terms and Subst...

What is BIDMAS?

• A religious holiday
• An online auction
• The order of calculation
• A mode on a calculator

18 - 2 x 3

• 12
• 6
• 48
• 16

40 - 10 ÷ 2

• 30
• 15
• 35
• 20

(4 + 6) x (2 + 3)

• 50
• 20
• 23
• 34

4 x 2² - 1 x  3²

• 108
• 36
• 7
• 55

What is 18 - - 6?

• 24
• 12

What is -9 - - 4?

• -13
• 13
• -5
• 5

If the temperature in Chicago is -5 degrees and the temperature in Moscow is 8 degrees colder. What is the temperature in Moscow?

• -3 degrees
• -13 degrees
• 3 degrees
• 13 degrees

I am in a lift and I am on floor 4. If the lift goes down 7 floors what floor am I now on?

• floor 11
• floor 3
• floor -3
• floor 7

I have £27 in my bank account. I buy a shirt for £33. What is the new balance of my account? 

• £6
• £0
• -£6
• -£5