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Lintel Oct 27 - Nov 2 25 questions
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Monday 27 October 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0068 in standard form

    Answer: 6.8 × 10-3
  2. 2. Algebra

    Factorise: x² - 4x - 5

    Answer: (x + 1)(x - 5)
  3. 3. Geometry

    Hypotenuse = 31cm, angle = 40°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 23.75cm
  4. 4. Ratio

    £222.00 is shared between A and B in the ratio 2:1. How much does A receive?

    Answer: £148.00
  5. 5. Statistics

    Calculate the mean of: 33, 38, 11, 22, 38, 38

    Answer: 30

Tuesday 28 October 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00053 in standard form

    Answer: 5.3 × 10-4
  2. 2. Algebra

    Factorise: x² + 7x - 18

    Answer: (x + 9)(x - 2)
  3. 3. Geometry

    Hypotenuse = 31cm, angle = 65°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 13.cm
  4. 4. Ratio

    Simplify the ratio 4m : 85cm

    Answer: 80:17
  5. 5. Statistics

    Calculate the mean of: 31, 12, 35, 25, 21, 44, 21, 38. Give your answer to 2 decimal places

    Answer: 28.38

Wednesday 29 October 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 16,000,000 in standard form

    Answer: 1.6 × 107
  2. 2. Algebra

    Factorise: x² - 2x - 15

    Answer: (x + 3)(x - 5)
  3. 3. Geometry

    Adjacent = 10cm, angle = 32°. Find opposite. Give your answer to 2 decimal places

    Answer: 6.25cm
  4. 4. Ratio

    Simplify the ratio 5m : 30cm

    Answer: 50:3
  5. 5. Statistics

    The mean of 6 numbers is 37. If 5 of them are 36, 38, 23, 23, 50, what is the missing number?

    Answer: 52

Thursday 30 October 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 65,000 in standard form

    Answer: 6.5 × 104
  2. 2. Algebra

    Factorise: x² - 9x - 22

    Answer: (x + 2)(x - 11)
  3. 3. Geometry

    Hypotenuse = 16cm, angle = 50°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 10.28cm
  4. 4. Ratio

    £264.00 is shared between A and B in the ratio 3:5. How much does A receive?

    Answer: £99.00
  5. 5. Statistics

    The mean of 6 numbers is 28. If 5 of them are 24, 24, 48, 50, 16, what is the missing number?

    Answer: 6

Friday 31 October 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.000035 in standard form

    Answer: 3.5 × 10-5
  2. 2. Algebra

    Factorise: x² - 2x - 48

    Answer: (x + 6)(x - 8)
  3. 3. Geometry

    Adjacent = 15cm, angle = 42°. Find opposite. Give your answer to 2 decimal places

    Answer: 13.51cm
  4. 4. Ratio

    Black, white and yellow beads are in the ratio 12:3:3. What fraction of the beads are white?

    Answer: 1⁄6
  5. 5. Statistics

    Calculate the mean of: 39, 15, 7, 38, 21, 11, 19. Give your answer to 2 decimal places

    Answer: 21.43