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Lintel Jun 13 - 19 25 questions
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Monday 13 June 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 3,600,000 in standard form

    Answer: 3.6 × 106
  2. 2. Algebra

    Factorise: x² + 15x + 54

    Answer: (x + 9)(x + 6)
  3. 3. Geometry

    Adjacent = 12cm, angle = 47°. Find opposite. Give your answer to 2 decimal places

    Answer: 12.87cm
  4. 4. Ratio

    Simplify the ratio 2 hours : 50 minutes

    Answer: 12:5
  5. 5. Statistics

    Calculate the mean of: 40, 7, 43, 42, 27, 39, 10, 10

    Answer: 27.25

Tuesday 14 June 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 330,000 in standard form

    Answer: 3.3 × 105
  2. 2. Algebra

    Factorise: x² + 11x - 12

    Answer: (x + 12)(x - 1)
  3. 3. Geometry

    Adjacent = 21cm, angle = 51°. Find opposite. Give your answer to 2 decimal places

    Answer: 25.93cm
  4. 4. Ratio

    Simplify: 6:10:10

    Answer: 3:5:5
  5. 5. Statistics

    The mean of 6 numbers is 29. If 5 of them are 19, 26, 19, 48, 30, what is the missing number?

    Answer: 32

Wednesday 15 June 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.003 in standard form

    Answer: 3 × 10-3
  2. 2. Algebra

    Factorise: x² + 3x - 70

    Answer: (x + 10)(x - 7)
  3. 3. Geometry

    Hypotenuse = 37cm, angle = 58°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 19.61cm
  4. 4. Ratio

    Orange and purple counters are in the ratio 2:12. What fraction of the counters are orange?

    Answer: 1⁄7
  5. 5. Statistics

    Calculate the mean of: 40, 23, 25, 37, 37, 24, 40, 45. Give your answer to 2 decimal places

    Answer: 33.88

Thursday 16 June 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 5,100,000 in standard form

    Answer: 5.1 × 106
  2. 2. Algebra

    Factorise: x² + 5x - 14

    Answer: (x + 7)(x - 2)
  3. 3. Geometry

    Adjacent = 22cm, angle = 43°. Find opposite. Give your answer to 2 decimal places

    Answer: 20.52cm
  4. 4. Ratio

    Divide 78 in the ratio 3:1:2

    Answer: 39, 13 and 26
  5. 5. Statistics

    Calculate the mean of: 30, 43, 13, 29, 31, 5, 29. Give your answer to 2 decimal places

    Answer: 25.71

Friday 17 June 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.052 in standard form

    Answer: 5.2 × 10-2
  2. 2. Algebra

    Factorise: x² + 2x - 24

    Answer: (x + 6)(x - 4)
  3. 3. Geometry

    Hypotenuse = 35cm, angle = 59°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 18.03cm
  4. 4. Ratio

    Express the second part of 6:7 as a fraction in simplest form

    Answer: 7⁄13
  5. 5. Statistics

    The mean of 5 numbers is 33. If 4 of them are 47, 20, 21, 43, what is the missing number?

    Answer: 34