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Delete questions according to ability.

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Presentation on theme: "Delete questions according to ability."— Presentation transcript:

1 Delete questions according to ability.
Percentages – Mixed – Non-Calculator – Maths Vegas In this competitive game, teams of students ‘wager’ money on a series of questions. Teams can wager up to 50% and receive double wager back if they are correct. Use mini-whiteboards to check team answers quickly. Delete questions according to ability. The associated Excel spreadsheet provides a screen for score-keeping for up to 8 teams.

2 Percentages: Non-Calculator

3 Next Topic: Equivalence

4 Convert 25% to a fraction. 1 4

5 Convert 40% to a fraction. 2 5

6 Convert 3 5 to a percentage.
60%

7 Convert 7 25 to a percentage.
28%

8 Convert 68% to a fraction. 17 25

9 Next Topic: Expressing as a Percentage

10 Express this as a percentage.
20 out of 80 chocolate bars had nuts in them. Express this as a percentage. 25%

11 15 out of 20 apples were rotten.
Express this as a percentage. 75%

12 24 out of 40 students took art.
Express this as a percentage. 60%

13 Express this as a percentage.
6 out of 120 students were late to school. Express this as a percentage. 5%

14 Next Topic: Percentage of a Quantity

15 Anna gave Tom 10% of her 80 sweets.
How many sweets did Tom get? 8

16 How much money did Joe get?
Jenny gave Joe 10% of £5. How much money did Joe get? 50p

17 18 Tom gave Sally 30% of his 60 marbles.
How many marbles did Sally get? 18

18 Jane gave Jim 60% of her 40 sweets.
How many sweets did Jim get? 24

19 36 Tim gave Tony 45% of his 80 stickers.
How many stickers did Tony get? 36

20 How much money did Hannah get
Anna gave Hannah 15% of £5. How much money did Hannah get 75p

21 Next Topic: Increasing & Decreasing by a Percentage

22 Increase 90 by 10% 99

23 Increase 130 by 20% 156

24 Increase 250 by 60% 400

25 Decrease 80 by 20% 64

26 Decrease 90 by 60% 36

27 Increase 40 by 35% 54

28 Increase 120 by 55% 186

29 Decrease 60 by 45% 33

30 Decrease 140 by 55% 63

31 Increase 140 by 46% 204.4

32 Decrease 160 by 36% 102.4

33 Next Topic: Finding a Percentage Increase/Decrease

34 50% Jane scored 40 on her first maths test.
She scored 60 on her second maths test. What percentage increase was this? 50%

35 25% Alice scored 80 on her first English test.
She scored 60 on her second English test. What percentage decrease was this? 25%

36 20% Jim scored 50 on his first maths test.
He scored 60 on his second maths test. What percentage increase was this? 20%

37 30% Josh had 60 marbles and lost some. He now has 42 marbles.
What percentage decrease is this? 30%

38 30% Sam earnt £50 on his first day of work.
He earnt £65 on his second day of work. What percentage increase was this? 30%

39 45% Jenny earnt £80 on her first day of work.
She earnt £116 on her second day of work. What percentage increase was this? 45%

40 15% Jenny earnt £80 on her first day of work.
She earnt £68 on her second day of work. What percentage decrease was this? 15%

41 35% Alice invested £60 and got back £81 at the end of one year.
What percentage increase is this? 35%

42 65% Mike invested £80 and got back £132 at the end of one year.
What percentage increase is this? 65%

43 85% Mike invested £60 and only got back £9 at the end of one year.
What percentage decrease is this? 85%

44 Next Topic: Reverse Percentages

45 How much was it before the sale?
A dress is on sale! 25% off! It now costs £30 How much was it before the sale? £40

46 How much was it before the sale?
A jacket is on sale! 20% off! It now costs £64 How much was it before the sale? £80

47 £60 A pair of shoes are on sale! 15% off! They now costs £51
How much were they before the sale? £60

48 £400 Jack’s rent went up 25% in one year! He now pays £500 a month.
How much did he pay per month before the increase? £400

49 £500 Sally’s rent went up 30% in one year! She now pays £650 a month.
How much did she pay per month before the increase? £500

50 $340 The price of cobalt went up 15%. It now costs $391 per kilogram.
How much did one kilogram cost before the increase? $340

51 tom@goteachmaths.co.uk Questions? Comments? Suggestions?
…or have you found a mistake!? Any feedback would be appreciated . Please feel free to


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