Percentage L 46 23122021 number percentage of a

Percentage – L 4/6 23/12/2021 number percentage of a whole n………………… LO: To find a p………………… Starter: What does percent mean? Where would you use percentages in real life? Red Amber 10% of 20 = 15% of 80 = 2 12 Green 21% of 400 = 84 Challenge Increase 300 by 22% 66

Real life example of percentage Key words: Percent– out of 100 Increase– going up Decrease– going down LO: To find a percentage of a whole number

Steps to success Red (Level 4) I can successfully 50% or 10% of a number e. g 50% of 40 or 10% of 40 Amber (Level 5) I can use 10% to find difficult percentages e. g 45% of 60 Green (Level 6) I can use 1% to find even more difficult percentages e. g 21% of 300 Challenge (6+) I can increase a number by a percentage e. g Increase 300 by 22%

Red 10% of 20 = 2 Amber Support task 15% of 80 = Red questions 12 Amber Questions Green 21% of 400 = 84 Green questions Challenge questions LO: To find a percentage of a whole number

Round 1 LO: To find a percentage of a whole number 1) 50% of 200 1) 5% of 500 1) 2% of 200 4 2) 10% of 90 9 2) 15% of 60 9 2) 21% of 300 63 3) 20% of 50 10 3) 35% of 20 7 3) 32% of 500 160 4) 20% of 80 16 4) 65% of 80 52 4) 23% of 800 184 5) 5% of 40 2 5) 1% of 400 4 5) 67% of 400 268 1) Increase £ 300 by 7% 321 2) Increase 400 kg by 26% 504

Support: 1) 2) 3) 4) 5) 6) 7) 8) 50% of 20 50% of 600 50% of 42 10% of 30 10% of 500 10% of 15 20% of 60 5% of 40 Challenge: 10 300 21 3 50 1. 5 12 2 Increase the amount by the percentage 1) 2) 3) 4) 5) 6) 7) 8) 60 by 20% 80 by 30% 40 by 15% 1200 by 20% 300 by 1% 24000 by 4% 40 by 2. 5% 20 by 17. 5% 72 104 46 1440 303 2960 41 23. 5

10% of 200 What is the correct answer? 2 20 LO: To find a percentage of a whole number 0. 2

15% of 60 What is the correct answer? 9 6 LO: To find a percentage of a whole number 12

21% of 300 What is the correct answer? 60 63 LO: To find a percentage of a whole number 65

When finding 10% Divide by 10 When finding 1% Divide by 100

Steps to success Red (Level 4) I can successfully 50% or 10% of a number e. g 50% of 40 or 10% of 40 Amber (Level 5) I can use 10% to find difficult percentages e. g 45% of 60 Green (Level 6) I can use 1% to find even more difficult percentages e. g 21% of 300 Challenge (6+) I can increase a number by a percentage e. g Increase 300 by 22%

Red 10% of 20 = 2 Amber Support task 15% of 80 = Red questions 12 Amber Questions Green 21% of 400 = 84 Green questions Challenge questions LO: To find a percentage of a whole number

Round 2 LO: To find a percentage of a whole number 1) 50% of 200 1) 5% of 500 25 1) 2% of 200 4 2) 10% of 90 9 2) 15% of 60 9 2) 21% of 300 63 3) 20% of 50 10 3) 35% of 20 7 3) 32% of 500 160 4) 20% of 80 16 4) 65% of 80 52 4) 23% of 800 184 5) 5% of 40 2 5) 1% of 400 4 5) 67% of 400 268 1) Increase £ 300 by 7% 321 2) Increase 400 kg by 26% 504

Support: 1) 2) 3) 4) 5) 6) 7) 8) 50% of 20 50% of 600 50% of 42 10% of 30 10% of 500 10% of 15 20% of 60 5% of 40 Challenge: 10 300 21 3 50 1. 5 12 2 Increase the amount by the percentage 1) 2) 3) 4) 5) 6) 7) 8) 60 by 20% 80 by 30% 40 by 15% 1200 by 20% 300 by 1% 24000 by 4% 40 by 2. 5% 20 by 17. 5% 72 104 46 1440 303 2960 41 23. 5

Individual Questions (A) Individual Questions (B) 1) 10% of 70 7 1) 10% of 60 6 2) 30% of 30 9 2) 15% of 40 6 3) 11% of 200 22 3) 21% of 500 105 Challenge: Increase 20 by 5% Individual Questions 21 (C) Challenge: Increase 60 by 5% Individual Questions (D) 1) 10% of 30 3 1) 10% of 40 4 2) 15% of 20 3 2) 30% of 60 18 3) 11% of 400 44 3) 21% of 300 63 Challenge: Increase 40 by 5% 42 63 Challenge: Increase 80 by 5% 84

Steps to success Red (Level 4) I can successfully 50% or 10% of a number e. g 50% of 40 or 10% of 40 Amber (Level 5) I can use 10% to find difficult percentages e. g 45% of 60 Green (Level 6) I can use 1% to find even more difficult percentages e. g 21% of 300 Challenge (6+) I can increase a number by a percentage e. g Increase 300 by 22%

Challenge: Who scored most in Mr Fevrier’s last Math test ? Angelina 10% of 180 Score: 18 Beyonce 30% of 70 Score: 21 Queen Elizabeth 50% of 22 Score: 11 Steven 25% of 80 Score: 20 Katy 25% of 52 Score: Lionel 13 20% of 60 Score: 12 Kim Mo 30% of 30 9 Score: 15% of 140 Score: 21 Drake Richard 20% of 70 40% of 60 Score: 14 Score: 24

Challenge: Who scored most in Mr Fevrier’s last Math test ? Angelina 10% of 180 Score: Beyonce 30% of 70 Score: Queen Elizabeth Lionel 50% of 22 25% of 80 Score: Steven 25% of 52 Score: Katy 20% of 60 Score: Kim 30% of 30 Score: Mo 15% of 140 Score: Drake Richard 20% of 70 40% of 60 Score:

Support: 1) 2) 3) 4) 5) 6) 7) 8) 50% of 20 50% of 600 50% of 42 10% of 30 10% of 500 10% of 15 20% of 60 5% of 40 Challenge: Increase the amount by the percentage 1) 2) 3) 4) 5) 6) 7) 8) 60 by 20% 80 by 30% 40 by 15% 1200 by 20% 300 by 1% 24000 by 4% 40 by 2. 5% 20 by 17. 5%

Task 1

Task 2

Individual Questions (A) Individual Questions 1) x + 3, x= 5 1) x - 4, x= 7 2) 5 x - 1, x= 2 2) 3 x + 2, x= 4 3) y² + 2 y, y= 2 3) 2 y² + y, y= 2 Challenge: 2 x² + x, x=-2 Challenge: 3 x² + 2 x, x=-1 Individual Questions (C) Individual Questions 1) x - 2, x= 5 1) x + 7, x= 3 2) 3 x + 3, x= 3 2) 2 x - 3, x= 2 3) y² + 3 y, y= 2 3) 2 y² + y, y= 3 Challenge: x² + 4 x, x=-1 Challenge: 2 x² + 3 x, x=-2 (B) (D)