Change pack
Lintel Dec 18 - 24 25 questions
PDF (questions) PDF (answers)

Monday 18 December 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 53,000 in standard form

    Answer: 5.3 × 104
  2. 2. Algebra

    Factorise: x² - 2x - 35

    Answer: (x + 5)(x - 7)
  3. 3. Geometry

    Hypotenuse = 21cm, angle = 45°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 14.85cm
  4. 4. Ratio

    Simplify the ratio 5 litres : 800 ml

    Answer: 25:4
  5. 5. Statistics

    Calculate the mean of: 12, 21, 37, 26, 41, 8. Give your answer to 2 decimal places

    Answer: 24.17

Tuesday 19 December 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.000083 in standard form

    Answer: 8.3 × 10-5
  2. 2. Algebra

    Factorise: x² + 9x - 10

    Answer: (x + 10)(x - 1)
  3. 3. Geometry

    Adjacent = 16cm, angle = 42°. Find opposite. Give your answer to 2 decimal places

    Answer: 14.41cm
  4. 4. Ratio

    Simplify the ratio 3 litres : 400 ml

    Answer: 15:2
  5. 5. Statistics

    The mean of 6 numbers is 38. If 5 of them are 44, 17, 41, 39, 21, what is the missing number?

    Answer: 66

Wednesday 20 December 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 910,000 in standard form

    Answer: 9.1 × 105
  2. 2. Algebra

    Factorise: x² + 2x + 1

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

    Hypotenuse = 32cm, angle = 59°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 16.48cm
  4. 4. Ratio

    Simplify the ratio 4m : 80cm

    Answer: 5:1
  5. 5. Statistics

    Calculate the mean of: 30, 19, 27, 46, 7, 46. Give your answer to 2 decimal places

    Answer: 29.17

Thursday 21 December 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00072 in standard form

    Answer: 7.2 × 10-4
  2. 2. Algebra

    Factorise: x² + 5x - 24

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

    Adjacent = 30cm, angle = 48°. Find opposite. Give your answer to 2 decimal places

    Answer: 33.32cm
  4. 4. Ratio

    Orange, purple and pink counters are in the ratio 12:11:12. What fraction of the counters are purple?

    Answer: 11⁄35
  5. 5. Statistics

    The mean of 5 numbers is 36. If 4 of them are 44, 31, 20, 37, what is the missing number?

    Answer: 48

Friday 22 December 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 72,000,000 in standard form

    Answer: 7.2 × 107
  2. 2. Algebra

    Factorise: x² - x - 72

    Answer: (x + 8)(x - 9)
  3. 3. Geometry

    Hypotenuse = 38cm, angle = 27°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 33.86cm
  4. 4. Ratio

    £252.00 is shared between A and B in the ratio 4:3. How much does A receive?

    Answer: £144.00
  5. 5. Statistics

    The mean of 4 numbers is 34. If 3 of them are 48, 50, 26, what is the missing number?

    Answer: 12