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Lintel Nov 16 - 22 25 questions
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Monday 16 November 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.062 in standard form

    Answer: 6.2 × 10-2
  2. 2. Algebra

    Factorise: x² - 2x - 63

    Answer: (x + 7)(x - 9)
  3. 3. Geometry

    Adjacent = 29cm, angle = 37°. Find opposite. Give your answer to 2 decimal places

    Answer: 21.85cm
  4. 4. Ratio

    In ratio 10:10:8, what fraction is the first part?

    Answer: 5⁄14
  5. 5. Statistics

    Calculate the mean of: 45, 23, 30, 23, 36, 30. Give your answer to 2 decimal places

    Answer: 31.17

Tuesday 17 November 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 4,400,000 in standard form

    Answer: 4.4 × 106
  2. 2. Algebra

    Factorise: x² + 6x - 16

    Answer: (x + 8)(x - 2)
  3. 3. Geometry

    Hypotenuse = 25cm, angle = 55°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 14.34cm
  4. 4. Ratio

    Simplify the ratio 4 litres : 700 ml

    Answer: 40:7
  5. 5. Statistics

    The mean of 5 numbers is 38. If 4 of them are 15, 37, 35, 46, what is the missing number?

    Answer: 57

Wednesday 18 November 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 45,000 in standard form

    Answer: 4.5 × 104
  2. 2. Algebra

    Factorise: x² + 4x - 21

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

    Hypotenuse = 16cm, angle = 59°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 8.24cm
  4. 4. Ratio

    Simplify the ratio £6 : 75p

    Answer: 8:1
  5. 5. Statistics

    The mean of 6 numbers is 39. If 5 of them are 44, 26, 26, 46, 30, what is the missing number?

    Answer: 62

Thursday 19 November 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0071 in standard form

    Answer: 7.1 × 10-3
  2. 2. Algebra

    Factorise: x² + 15x + 36

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

    Adjacent = 14cm, angle = 37°. Find opposite. Give your answer to 2 decimal places

    Answer: 10.55cm
  4. 4. Ratio

    Red, blue and green beads are in the ratio 2:10:5. What fraction of the beads are green?

    Answer: 5⁄17
  5. 5. Statistics

    Calculate the mean of: 21, 44, 16, 13, 17, 17, 20, 44

    Answer: 24

Friday 20 November 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 42,000 in standard form

    Answer: 4.2 × 104
  2. 2. Algebra

    Factorise: x² + x - 132

    Answer: (x + 12)(x - 11)
  3. 3. Geometry

    Hypotenuse = 34cm, angle = 36°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 27.51cm
  4. 4. Ratio

    In ratio 4:4:10, what fraction is the second part?

    Answer: 2⁄9
  5. 5. Statistics

    The mean of 5 numbers is 30. If 4 of them are 21, 22, 15, 26, what is the missing number?

    Answer: 66