Multiplication
7 x 8
56
63 ÷ 9
7
Find the average of the following numbers:
4, 6, 8
6
½ + ¼
¾
£1.36 + £2.87
£4.23
16 x 11
176
504 ÷ 12
42
Find the mean of the following numbers:
54, 56, 58, 60, 72
60
¾ - ⅙
⁷⁄₁₂
£5.11
642 x 7
4,494
1,314 ÷ 18
73
Mr Avis rolls a dice 12 times. These are the numbers he rolls:
1, 1, 1, 1, 2, 2, 3, 4, 4, 5, 6, 6.
Mr Avis says: "The average number I have rolled is 2".
Is Mr Avis correct? How do you know?
No. He's a numpty!
The total of all the numbers is 36, and there are 12 numbers.
36 ÷ 12 = 3
⅛ ÷ 6
¹⁄₄₈
Isabelle and Felicity want to earn some pocket money.
Isabelle receives £5 every time she washes the car, and Felicity receives 25p every time she hangs the washing out.
Isabelle washes the car once last month, and Felicity loaded the dishwasher 21 times.
Who received the most pocket money? AND what was the difference?
Felicity!
She earned 25p more than Isabelle
45 x 48
2,160
3,213 ÷ 51
63
Mr Avis buys five bags of sweets, which weigh 50g, 100g, 250g, 0.5kg, and 1kg.
What is the mean weight of the bags of sweets?
380g (or 0.38kg)
9⅕ + 2¾
11¹⁹⁄₂₀ (or ²³⁹⁄₂₀)
Mr Avis buys the following from Morrisons:
Bread: 85p, Milk: £1.65, Cheese: £4.30, Apples: £1.80, and Sausage Rolls: £2.10.
He pays with a £20 note.
How much change does he receive?
£9.30
526 x 68
35,768
22,464 ÷ 64
22,464
Children in a class measure their heights.
Alfred: 147cm, Brianna: 154cm, Cameron: 161cm, Daniel: 156cm, Ellie: 159cm, Felicity: 144cm, Georgia: 151cm, Hattie: 163cm, and Isaac: 160cm.
Find the average height of the children.
155cm
13⅐ - 9⅙
3 ⁴¹⁄₄₂ (or ¹⁶⁷⁄₄₂)
Mars bars cost £12.50 per kilogram.
Each mars bar weighs 50g.
Mr Avis wants to buy 140 Mars bars. How much will this cost him?
£87.50