Everyday Calculations Best Buys Rounding to nearest Whole Number www.mathsrevision.com Rounding to nearest Pence Tiling a Bathroom Wall 19-Apr-18 Created by Mr. Lafferty Maths Dept.
Created by Mr. Lafferty Maths Dept. Starter Questions www.mathsrevision.com 19-Apr-18 Created by Mr. Lafferty Maths Dept.
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. www.mathsrevision.com 19-Apr-18 Created by Mr. Lafferty Maths Dept.
Everyday Calculations Example : Sean the mechanic hourly rate of pay is £6.50. Last week he worked 38 hours. What is his basic pay? www.mathsrevision.com Pay is = £6.50 x 38 = £247.00 19-Apr-18 Created by Mr. Lafferty Maths Dept.
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? www.mathsrevision.com Pay is = £10.50 x 40 = £420.00 19-Apr-18 Created by Mr. Lafferty Maths Dept.
Everyday Calculations Example : Liam’s yearly salary is £10800. How much does he get paid per month. www.mathsrevision.com Monthly Pay is 10800 ÷ 12 = £900 19-Apr-18 Created by Mr. Lafferty Maths Dept.
Everyday Calculations Total cost 46.80 + 9.90 = £56.70 Example : A shirt cost £15.60 and a tie costs £4.95. What is the cost of 3 shirts and 2 ties ? www.mathsrevision.com £ 4 6 . 8 0 £ 9 . 9 0 19-Apr-18 Created by Mr. Lafferty Maths Dept.
Everyday Calculations Example : A bunch of 48 bananas weighs 8 kilograms. How many bananas does this work out per kilogram. www.mathsrevision.com 6 Per kilogram = 19-Apr-18 Created by Mr. Lafferty Maths Dept.
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) www.mathsrevision.com 19-Apr-18 Created by Mr. Lafferty Maths Department
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. www.mathsrevision.com 19-Apr-18 Created by Mr. Lafferty Maths Dept.
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. www.mathsrevision.com £ 4 . 5 0 £ 0 . 3 0 19-Apr-18 Created by Mr. Lafferty Maths Dept.
Created by Mr. Lafferty Maths Dept. Best Deals £ 3 2 0 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. www.mathsrevision.com Mechanic : Annual Salary = £1 100 x 12 = £ 13 200 Bus Driver : Annual Salary = £260 x 52 = £ 13 520 Bus driver has better annual wage 19-Apr-18 Created by Mr. Lafferty Maths Dept.
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. www.mathsrevision.com £ 0 . 4 5 £ 0 . 4 4 19-Apr-18 Created by Mr. Lafferty Maths Dept.
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 www.mathsrevision.com £ 1 . 2 0 £ 1 . 2 5 19-Apr-18 Created by Mr. Lafferty Maths Dept.
Created by Mr. Lafferty Maths Dept. Best Deals Now try Ex 9.2 Ch9 (page 107) www.mathsrevision.com 19-Apr-18 Created by Mr. Lafferty Maths Dept.
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. www.mathsrevision.com 19-Apr-18 Created by Mr. Lafferty Maths Dept.
Rounding to Nearest Unit Find the values of the arrows. 8cm 9cm 10cm 8.4 8.8 9.5 www.mathsrevision.com 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.
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) 18.8 (c) 24.5 (d) 12.3 (e) 102.9 (f) 2636.5 www.mathsrevision.com 19-Apr-18 Created by Mr. Lafferty Maths Dept.
Created by Mr. Lafferty Maths Dept. Nearest Unit Now try Ex 9.3 Q1 to Q3 Ch9 (page 109) www.mathsrevision.com 19-Apr-18 Created by Mr. Lafferty Maths Dept.
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 www.mathsrevision.com £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.
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) £18.087 (c) £24.254 (d) £12.730 (e) £102.093 (f) £2636.555 www.mathsrevision.com 19-Apr-18 Created by Mr. Lafferty Maths Dept.
Created by Mr. Lafferty Maths Dept. To the Nearest Pence Now try Ex 9.3 Q4 to Q11 Ch9 (page 110) www.mathsrevision.com 19-Apr-18 Created by Mr. Lafferty Maths Dept.
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.
Created by Mr. Lafferty Maths Dept. Tilling your Bathroom Wall (b) The tiles come in packs of 10 and cost £ 14.95 a pack. 150 cm 210 cm Number of packs 35 ÷ 10 = 3.5 packs !!!! Need to buy 4 packs £ 5 9 . 8 0 19-Apr-18 Created by Mr. Lafferty Maths Dept.
Created by Mr. Lafferty Maths Dept. Tiling Bathroom Now try Ex 9.4 Ch9 (page 111) www.mathsrevision.com 19-Apr-18 Created by Mr. Lafferty Maths Dept.