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Lintel Nov 27 - Dec 3 25 questions
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Monday 27 November 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 78,000 in standard form

    Answer: 7.8 × 104
  2. 2. Algebra

    Factorise: x² - 2x - 120

    Answer: (x + 10)(x - 12)
  3. 3. Geometry

    Adjacent = 24cm, angle = 55°. Find opposite. Give your answer to 2 decimal places

    Answer: 34.28cm
  4. 4. Ratio

    £288.00 is shared between A and B in the ratio 1:2. How much does A receive?

    Answer: £96.00
  5. 5. Statistics

    The mean of 4 numbers is 38. If 3 of them are 35, 45, 35, what is the missing number?

    Answer: 37

Tuesday 28 November 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 470,000 in standard form

    Answer: 4.7 × 105
  2. 2. Algebra

    Factorise: x² - 4x - 60

    Answer: (x + 6)(x - 10)
  3. 3. Geometry

    Adjacent = 27cm, angle = 34°. Find opposite. Give your answer to 2 decimal places

    Answer: 18.21cm
  4. 4. Ratio

    £252.00 is shared between A and B in the ratio 1:2. How much does A receive?

    Answer: £84.00
  5. 5. Statistics

    The mean of 6 numbers is 31. If 5 of them are 17, 26, 47, 35, 17, what is the missing number?

    Answer: 44

Wednesday 29 November 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0086 in standard form

    Answer: 8.6 × 10-3
  2. 2. Algebra

    Factorise: x² - 7x - 8

    Answer: (x + 1)(x - 8)
  3. 3. Geometry

    Hypotenuse = 27cm, angle = 53°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 16.25cm
  4. 4. Ratio

    Simplify the ratio 3kg : 950g

    Answer: 60:19
  5. 5. Statistics

    Calculate the mean of: 42, 8, 9, 11, 5, 35, 38, 10

    Answer: 19.75

Thursday 30 November 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00096 in standard form

    Answer: 9.6 × 10-4
  2. 2. Algebra

    Factorise: x² - x - 2

    Answer: (x + 1)(x - 2)
  3. 3. Geometry

    Adjacent = 23cm, angle = 49°. Find opposite. Give your answer to 2 decimal places

    Answer: 26.46cm
  4. 4. Ratio

    Red, blue and green counters are in the ratio 10:1:12. What fraction of the counters are blue?

    Answer: 1⁄23
  5. 5. Statistics

    Calculate the mean of: 9, 48, 47, 5, 48, 9, 42, 15. Give your answer to 2 decimal places

    Answer: 27.88

Friday 1 December 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 140,000,000 in standard form

    Answer: 1.4 × 108
  2. 2. Algebra

    Factorise: x² - 6x - 27

    Answer: (x + 3)(x - 9)
  3. 3. Geometry

    Adjacent = 28cm, angle = 51°. Find opposite. Give your answer to 2 decimal places

    Answer: 34.58cm
  4. 4. Ratio

    Simplify the ratio 2kg : 650g

    Answer: 40:13
  5. 5. Statistics

    Calculate the mean of: 33, 35, 25, 36, 19, 29

    Answer: 29.5