1. Everyday Calculations
Best Buys
Rounding to nearest Whole Number
Rounding to nearest Pence
Tiling a Bathroom Wall
19-Apr-18
Created by Mr. Lafferty Maths Dept.

2. Created by Mr. Lafferty Maths Dept.
Starter Questions
19-Apr-18
Created by Mr. Lafferty Maths Dept.

3. Everyday Calculations
Learning Intention
Success Criteria
We are learning about Everyday Calculations including Pay and Travel.
1. Understand the terms pay and calculate simple wages.
19-Apr-18
Created by Mr. Lafferty Maths Dept.

4. Everyday Calculations
Example :
Sean the mechanic hourly rate of pay is £6.50.
Last week he worked 38 hours.
What is his basic pay?
Pay is =
£6.50 x 38 = £247.00
19-Apr-18
Created by Mr. Lafferty Maths Dept.

5. Everyday Calculations
Example :
Adam is a joiner his hourly rate of pay is £10.50.
He works 40 hours a week. What is his basic pay?
Pay is =
£10.50 x 40 = £420.00
19-Apr-18
Created by Mr. Lafferty Maths Dept.

6. Everyday Calculations
Example :
Liam’s yearly salary is £10800.
How much does he get paid per month.
Monthly Pay is
10800 ÷ 12 = £900
19-Apr-18
Created by Mr. Lafferty Maths Dept.

7. Everyday Calculations
Total cost
= £56.70
Example :
A shirt cost £15.60 and a tie costs £4.95.
What is the cost of 3 shirts and 2 ties ? £ £
19-Apr-18
Created by Mr. Lafferty Maths Dept.

8. Everyday Calculations
Example :
A bunch of 48 bananas weighs 8 kilograms.
How many bananas does this work out per kilogram. 6
Per kilogram =
19-Apr-18
Created by Mr. Lafferty Maths Dept.

9. Wages & Salaries Now try Access Book Ex 9.1 Ch9 (page 105)
Have you updated your Learning Log ?
Wages & Salaries
Now try
Access Book
Ex 9.1
Ch9 (page 105)
19-Apr-18
Created by Mr. Lafferty Maths Department

10. Created by Mr. Lafferty Maths Dept.
Best Deals
Learning Intention
Success Criteria
We are learning about best deals.
1. Be able to calculate best deal.
19-Apr-18
Created by Mr. Lafferty Maths Dept.

11. Created by Mr. Lafferty Maths Dept.
Best Deals
Example :
6 tins of Tomato soup cost £4.20 at the supermarket.
The local shop sells them for 75p each.
Which place is cheaper and by how much. £ £
19-Apr-18
Created by Mr. Lafferty Maths Dept.

12. Created by Mr. Lafferty Maths Dept.
Best Deals £
Example :
Ewan the mechanic gets paid £1 100 a month.
Joseph the bus driver gets paid £260 a week.
Who gets the better annual salary and by how much.
Mechanic :
Annual Salary =
£1 100 x 12
= £
Bus Driver :
Annual Salary =
£260 x 52
= £
Bus driver has better annual wage
19-Apr-18
Created by Mr. Lafferty Maths Dept.

13. Created by Mr. Lafferty Maths Dept.
Best Deals
Example :
A bunch of 5 bananas are on sale in Liam’s shop for £2.25
Shannon’s Store has the same bananas at 6 for £2.64.
Which is the better store to buy the bananas. £ £
19-Apr-18
Created by Mr. Lafferty Maths Dept.

14. Created by Mr. Lafferty Maths Dept.
Best Deals
Example :
Zakco store sells 6 metres of wood for £7.20
Bryan store sells 7 metres for the same wood for £8.75
Buy working out the price for 1 metre. Find cheapest store £ £
19-Apr-18
Created by Mr. Lafferty Maths Dept.

15. Created by Mr. Lafferty Maths Dept.
Best Deals
Now try Ex 9.2
Ch9 (page 107)
19-Apr-18
Created by Mr. Lafferty Maths Dept.

16. Rounding to Nearest Unit
Learning Intention
Success Criteria
We are learning how to round to 1 decimal place.
1. Remember steps to round to 1 decimal place.
19-Apr-18
Created by Mr. Lafferty Maths Dept.

17. Rounding to Nearest Unit
Find the values of the arrows.
8cm
9cm
10cm
8.4
8.8
9.5
Is 8.4 nearer to 8 or 9 ? 8
Is 8.8 nearer to 8 or 9 ? 9
Is 9.5 nearer to 9 or 10 ?
Neither
19-Apr-18
Created by Mr. Lafferty Maths Dept.

18. Rounding to Nearest Unit
If the 1st decimal place is 0,1,2,3,4 – round down
If the 1st decimal place is 5,6,7,8,9 – round up
Example : Round the numbers to the nearest unit
9.4 (b) (c) 24.5
(d) (e) (f)
19-Apr-18
Created by Mr. Lafferty Maths Dept.

19. Created by Mr. Lafferty Maths Dept.
Nearest Unit
Now try Ex 9.3
Q1 to Q3
Ch9 (page 109)
19-Apr-18
Created by Mr. Lafferty Maths Dept.

20. To the Nearest Pence www.mathsrevision.com
When dealing with money we always round
to 2 decimal places.
The decimal part of the number is pence.
Example
£8.24 means 8 pounds and 24 pence
£3.09 means 3 pounds and 9 pence
19-Apr-18
Created by Mr. Lafferty Maths Dept.

21. To the Nearest Pence www.mathsrevision.com
If the 3rd decimal place is 0,1,2,3,4 – round down
If the 3rd decimal place is 5,6,7,8,9 – round up
Example : Round the money to the nearest pence.
£9.043 (b) £ (c) £24.254
(d) £ (e) £ (f) £
19-Apr-18
Created by Mr. Lafferty Maths Dept.

22. Created by Mr. Lafferty Maths Dept.
To the
Nearest Pence
Now try Ex 9.3
Q4 to Q11
Ch9 (page 110)
19-Apr-18
Created by Mr. Lafferty Maths Dept.

23. Created by Mr. Lafferty Maths Dept.
Tilling your Bathroom Wall
Joseph the tiler has job to tile a bathroom wall.
He uses square tiles that have sides 30cm.
(a) Work out how many tiles he needs to tile the whole wall.
150 cm
Along the way
210 ÷ 30 = 7 tiles
210 cm
Up the way
150 ÷ 30 = 5 tiles
Total number of tiles 7 x 5 =35
19-Apr-18
Created by Mr. Lafferty Maths Dept.

24. Created by Mr. Lafferty Maths Dept.
Tilling your Bathroom Wall
(b) The tiles come in packs of 10 and cost £ a pack.
150 cm
210 cm
Number of packs
35 ÷ 10 = 3.5 packs !!!!
Need to buy 4 packs £
19-Apr-18
Created by Mr. Lafferty Maths Dept.

25. Created by Mr. Lafferty Maths Dept.
Tiling Bathroom
Now try Ex 9.4
Ch9 (page 111)
19-Apr-18
Created by Mr. Lafferty Maths Dept.