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Lintel Sep 1 - 7 25 questions
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Monday 1 September 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 38,000 in standard form

    Answer: 3.8 × 104
  2. 2. Algebra

    Factorise: x² - 7x + 6

    Answer: (x - 1)(x - 6)
  3. 3. Geometry

    Hypotenuse = 37cm, angle = 61°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 17.94cm
  4. 4. Ratio

    £162.00 is shared between A and B in the ratio 2:1. How much does A receive?

    Answer: £108.00
  5. 5. Statistics

    Calculate the mean of: 33, 22, 29, 42, 22, 9. Give your answer to 2 decimal places

    Answer: 26.17

Tuesday 2 September 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0049 in standard form

    Answer: 4.9 × 10-3
  2. 2. Algebra

    Factorise: x² - 6x - 72

    Answer: (x + 6)(x - 12)
  3. 3. Geometry

    Adjacent = 23cm, angle = 39°. Find opposite. Give your answer to 2 decimal places

    Answer: 18.63cm
  4. 4. Ratio

    Simplify the ratio 2 hours : 45 minutes

    Answer: 8:3
  5. 5. Statistics

    Calculate the mean of: 34, 40, 31, 50, 47, 7, 40. Give your answer to 2 decimal places

    Answer: 35.57

Wednesday 3 September 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 580,000 in standard form

    Answer: 5.8 × 105
  2. 2. Algebra

    Factorise: x² - 2x - 15

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

    Hypotenuse = 28cm, angle = 42°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 20.81cm
  4. 4. Ratio

    £154.00 is shared between A and B in the ratio 4:3. How much does A receive?

    Answer: £88.00
  5. 5. Statistics

    The mean of 4 numbers is 36. If 3 of them are 17, 48, 42, what is the missing number?

    Answer: 37

Thursday 4 September 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 430,000,000 in standard form

    Answer: 4.3 × 108
  2. 2. Algebra

    Factorise: x² + 6x - 40

    Answer: (x + 10)(x - 4)
  3. 3. Geometry

    Hypotenuse = 21cm, angle = 37°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 16.77cm
  4. 4. Ratio

    Simplify: 12:12:8

    Answer: 3:3:2
  5. 5. Statistics

    Calculate the mean of: 41, 30, 20, 32, 21, 46, 35. Give your answer to 2 decimal places

    Answer: 32.14

Friday 5 September 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00011 in standard form

    Answer: 1.1 × 10-4
  2. 2. Algebra

    Factorise: x² + 4x - 96

    Answer: (x + 12)(x - 8)
  3. 3. Geometry

    Adjacent = 11cm, angle = 41°. Find opposite. Give your answer to 2 decimal places

    Answer: 9.56cm
  4. 4. Ratio

    Express the second part of 13:14 as a fraction in simplest form

    Answer: 14⁄27
  5. 5. Statistics

    The mean of 5 numbers is 35. If 4 of them are 34, 50, 21, 15, what is the missing number?

    Answer: 55