Percentages Rise calculations ( calculator Fall Calculations ( calculator ) www.mathsrevision.com Created by Mr. Lafferty Maths Dept

Starter Questions www.mathsrevision.com Created by Mr. Lafferty Maths Dept

Rise means : More , add on Percentage - Rise www.mathsrevision.com S3 Created by Mr. Lafferty Maths Dept

Percentage - Rise www.mathsrevision.com S3 Example 1 A boy received £12 pocket money each week. His dad gave him a rise of 15% ? What was his new pocket money? Step 1 : Write down working and do % rise calculation www.mathsrevision.com Step 2 : old value + rise value Created by Mr. Lafferty Maths Dept

Percentage - Rise www.mathsrevision.com S3 Example 2 Daniel earned £18 000 last year. His dad gave him a rise of 17% ? What was his new wage? Step 1 : Write down working and do % rise calculation www.mathsrevision.com Step 2 : old value + rise value Created by Mr. Lafferty Maths Dept

Your turn Exercise 2b Page 45 Percentage - Rise www.mathsrevision.com Created by Mr. Lafferty Maths Dept

Starter Questions www.mathsrevision.com Created by Mr. Lafferty Maths Dept

Fall means : Reduce , Less, subtract Percentage - Fall www.mathsrevision.com Created by Mr. Lafferty Maths Dept

Percentage - Fall www.mathsrevision.com S3 Example 1 A usual price of a CD is £10. In the sale it is reduced by 20%. What is the new price of the CD? Step 1 : Write down working and do % fall calculation www.mathsrevision.com Step 2 : old value – fall value Created by Mr. Lafferty Maths Dept

Percentage - Fall www.mathsrevision.com S3 Example 2 A top of the range Audi cost £21 000. In the sale it is discounted by 10%. What is the new value of the car? Step 1 : Write down working and do % fall calculation www.mathsrevision.com Step 2 : old value – fall value Created by Mr. Lafferty Maths Dept

Your turn Exercise 2c Page 46 Percentage - Fall www.mathsrevision.com Created by Mr. Lafferty Maths Dept