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EVERYTHING YOU NEED TO KNOW TO GET A GRADE C NUMBER (FOUNDATION). AUTHOR. 10% means ÷10. 70% of 20 questions. 10% = 2 questions. x7. x7. 70% =. 14 questions. 14. 50%. =. =. No, Elena failed. 75%. =. =. Yes, Clyde passed. 10% means ÷10. 4. 2 5 . 0 0. 1 6 . 5 0. 10% of £25.

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  1. EVERYTHING YOU NEED TO KNOW TO GET A GRADE C NUMBER (FOUNDATION) AUTHOR www.mistrymaths.co.uk

  2. 10% means ÷10 70% of 20 questions 10% = 2 questions x7 x7 70% = 14 questions 14 50% = = No, Elena failed 75% = = Yes, Clyde passed

  3. 10% means ÷10 4 2 5 . 0 0 1 6 . 5 0 10% of £25 1 - 2 . 5 0 + 8 . 5 0 1 1 10% = £2.50 5 2 . 0 2 5 . 0 0 2 22.50

  4. Martha Cost = £400 Husband Cost = £400 x = £300 Mary (Daughter) Cost = 75% of £400 ÷ Total Cost = = £1100 400 + 400 + 300 10% means ÷10 10% of £1100 = £110 10% online discount= £990 Final Total Cost = 1100 – 110 =

  5. 10% means ÷10 x2 x2 10% of 800 students 20% of 70 teachers 10% = 7 teachers 10% = 80 students 14 teachers 20% = Left-handed teacher and students = 80 + 14 94

  6. 10% means ÷10 10% = 33 x4 x4 ÷2 ÷2 40% = 132 16.5 5% = 45% = 132 + 16.5 148.5

  7. = 25 =

  8. LEARN 12.5

  9. U 8 is in the tenths column x3 x3 T ths 27 x 3 81 10% means ÷10 x 2 7 0 10% = 27 6 1 1 1 8 1 30% = 81 ÷ 1 8 9 189

  10. When adding or subtracting fractions you need to find a common denominator X 3 X 4 2 1 11 + + X 3 X 4 12 12 12 4 3 3 8 = Denominator never changes =

  11. Test 1 = Test 2 = Test 1

  12. 7 is in the tenths column % means ‘out of 100’ = = 1st 2nd 3rd

  13. = £48 12 x £4 Weekly income = = £16 Savings per week = Weeks to save £80 = = 5 x ÷ 5

  14. 25

  15. 10% means ÷10 x5 x5 ÷2 ÷2 3 litres 2.5 litres 3000ml 2500ml Bottle A Bottle B 55% of 3000ml 10% = 300ml 6 1500ml 0 50% = 2 5 2 5 0 0 4 5% = 150ml 2 2 1 x 55% = 1500 + 150 = 1650ml 625 x 3 = 1875ml ÷ Bottle B

  16. Tom Daughter Son 2200 – 880 - 550 2200 – 1430 0 4 4 0 0 5 5 0 2 2 5 2 2 0 0 2 2 0 0 4 2 2 x x 880 440 x 2 = ÷ ÷ 770

  17. 5 x 4 20 9 x 9 81 = 9 x 9 + 3 x 3 = 81 + 9 = 90

  18. Square numbers 1 , 4, 9, 16, 25, 36, 49, 64, 81 etc 64 - 36 28

  19. 11 x 11 121 12 x 12 144 means what multiplies by itself three times to make 125 5

  20. When you multiply powers with the same base you can just add the powers 6 x 6 x 6 x 6 6 x 6 x 6 x 6 When you divide powers with the same base you can just subtract the powers = 1

  21. = 95.9 = 95.4 952= 9025 962 = 9216 There are no whole numbers between 95.4 and 95.9

  22. = 4 + 3 = 7 = 5

  23. Square numbers 1 , 4, 9, 16, 25, 36, 49, 64, 81 etc 25 16 25 9 36 25 16

  24. Add parts of £1200 £7200 = = 12 2 + 3 + 7 of £1800 £7200 = x x x 3 7 2 ÷ ÷ ÷ 12 12 12 £4200 of £7200 = 1200 1800 4200

  25. x25 ÷30 ÷30 x25 30 pupils = £90 1 pupil = £3 £75 25 pupils = 75

  26. x3 x3 Standard Packet Large Packet 36 biscuits = £3.17 12 biscuits = £1.09 £3.27 36 biscuits = Large is better

  27. x1200 x1200 C : S 3 : 7 £8400 £3600 : Money invested = £3600 + £8400 12000

  28. 2.36 2.5

  29. Five thousand one hundred and sixty seven 7400 17000 1 6 6 8 4 - 15500 1 1 8 4 1 0 0 5 5

  30. 10 10 £4.99 x 2 x 10 = £9.98 x 10 = £99.80 Jill is incorrect

  31. All the sides are equal in a square 19.68501969 19.7

  32. In the 10 times table Whole number that go into 35 exactly 70 5 5 x 5 25 75 BODMAS 70 ÷ 35 x 75 2 x 75 150

  33. Whole numbers that go into 18 exactly In the 6 times table 6 8 12 4 6 9 12 3 6, 12 or 18 3, 6, 9 and 18 Square numbers 1 , 4, 9, 16, 25, 36, 49, 64, 81 etc 9 - 4 5

  34. Whole numbers that go into 24 exactly In the 7 times table 28 6 and 8 1 , 4, 9, 16, 25, 36, 49, 64, 81 etc 25 2, 3, 5, 7, 11, 13, 17, 19, 23, 29 etc 11

  35. In the 4 times table In the 5 times table In the 6 times table 8 10 18

  36. Whole number that goes into 36 exactly 18 12 Square numbers 1 , 4, 9, 16, 25, 36, 49, 64, 81 etc Cube numbers 1 , 8, 27, 64, 125 etc 18

  37. 1 million = 1000000

  38. 10 x 5 50 7 x 5 – 3 x 2 35 – 6 29 9 x 5 – 1 x 2 45 – 2 9 questions correct and 1 question incorrect

  39. 2 + - 3 -1 2 - 3 10 + - 8 -3 2 -8 + 5 10 - 8

  40. = £10.50 Adults = 2 x £5.25 = £13.60 Children = 4 x £3.40 24.10 Saturday Thursday 4 Adults = 4 x £5 = £20 LEARN = £24 Cost of children = £44 - £20 8 7 x 5 + 3 x 3 22 35 + 9 7 3

  41. £50 + £10 + £1 = £61 120 £58.75 + £11.75 + £1.18 = £71.68 120 ÷ 10 = 12 3 12 ÷ 4 = 71.68 21 3 x 7 = 5 8 . 7 5 1 1 . 7 5 1 . 1 8 1 1 1 + 7 1 . 6 8 Could have also done £20 + £20 + £20 + £1 and got £71.98 21

  42. 3 5 2 3 5 2 + 1 7 0 4 704 2 1 4 3 4 74.8 x 4 = 299.2 400 299.2 x 100 = 29920 4 x 100

  43. Any three numbers that sum to ninety 40 30 20 40 40 10 LEARN 36 36 18

  44. 6 2 8 6 3 4 9 3 8 7 2 7 1 6 5 1

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