Num 20 Jun 2022 20 Jun 2022 Compiled by Mr. Lafferty Maths Compiled by Mr. Lafferty Maths Dept. Dept. Fractions Decimals Fractions Decimals Percentages Percentages www.mathsrevision.com Conversion between % Fractions and Decimals Finding a Percentage with a Calculator Percentage Rising Percentage Fall
25
Embed
Num 13-Dec-15Compiled by Mr. Lafferty Maths Dept. Fractions Decimals Percentages Conversion between % Fractions and Decimals Finding.
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Num
21 Apr 202321 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.
Created by Mr. LaffertyCreated by Mr. LaffertyMaths DeptMaths Dept
Percentage RisePercentage Risew
ww
.math
srevis
ion
.com
5 260 = 13
100
260 13 = 273July Total Hours =
ExampleExample Total hours of sunshine in June was 260.otal hours of sunshine in June was 260.The total for July was 5% higher than June..The total for July was 5% higher than June..What is the total hours of sunshine in July.What is the total hours of sunshine in July.
Num
Created by Mr. LaffertyCreated by Mr. LaffertyMaths DeptMaths Dept
Percentage RisePercentage Risew
ww
.math
srevis
ion
.com
15 40 =
100
40 6 = 46Total Points =
ExampleExample Last year a football team got 40 points in the League. This year they got 15% more.How many points did they get.How many points did they get.
6
Num
21 Apr 202321 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.
Now try Lifeskills
Ex 3Ch4 (page 26)
ww
w.m
ath
srevis
ion
.com
Percentage RisePercentage Rise
21 Apr 202321 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.
Starter Questionsw
ww
.math
srevis
ion
.com
35
100
1. Calculate 88.37x 9
2. Write the fraction as a percentage
3. Find 60% of 900
4. 5 jars of sweets cost £6.50.
How much for 4 jars.
Num
21 Apr 202321 Apr 2023 Compiled by Mr. Lafferty Maths Dept.Compiled by Mr. Lafferty Maths Dept.
Created by Mr. LaffertyCreated by Mr. LaffertyMaths DeptMaths Dept
Percentage Fall (decrease)
ww
w.m
ath
srevis
ion
.com
ExampleExample
In a sale the cost of a jumper is reduced by 10%.In a sale the cost of a jumper is reduced by 10%.What is the sale price of the jumper.What is the sale price of the jumper.
10 100 35 =
Original Price£3535 3 50 = £31.50.Sale Price =
£3.50
Num
Created by Mr. LaffertyCreated by Mr. LaffertyMaths DeptMaths Dept
Percentage Fall (decrease)
ww
w.m
ath
srevis
ion
.com
ExampleExampleLast year a house was valued at £90000.Last year a house was valued at £90000.This year the price dropped by 15%.This year the price dropped by 15%.What was the price this year ?What was the price this year ?
9 90000 =
100
90000 8100 = £81900Price =
£8100
Num
21 Apr 202321 Apr 2023 Created by Mr. Lafferty Maths Dept.Created by Mr. Lafferty Maths Dept.