Change pack
Lintel Dec 12 - 18 25 questions
PDF (questions) PDF (answers)

Monday 12 December 2011

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 - x - 90

    Answer: (x + 9)(x - 10)
  3. 3. Geometry

    Hypotenuse = 26cm, angle = 32°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 22.05cm
  4. 4. Ratio

    Simplify: 12:24:16

    Answer: 3:6:4
  5. 5. Statistics

    Calculate the mean of: 43, 33, 8, 46, 6, 40. Give your answer to 2 decimal places

    Answer: 29.33

Tuesday 13 December 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 360,000 in standard form

    Answer: 3.6 × 105
  2. 2. Algebra

    Factorise: x² - 4x - 32

    Answer: (x + 4)(x - 8)
  3. 3. Geometry

    Adjacent = 24cm, angle = 50°. Find opposite. Give your answer to 2 decimal places

    Answer: 28.6cm
  4. 4. Ratio

    Express the second part of 9:5 as a fraction in simplest form

    Answer: 5⁄14
  5. 5. Statistics

    The mean of 5 numbers is 35. If 4 of them are 39, 40, 44, 29, what is the missing number?

    Answer: 23

Wednesday 14 December 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 5,500,000 in standard form

    Answer: 5.5 × 106
  2. 2. Algebra

    Factorise: x² + 10x + 24

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

    Adjacent = 18cm, angle = 39°. Find opposite. Give your answer to 2 decimal places

    Answer: 14.58cm
  4. 4. Ratio

    Black, white and yellow counters are in the ratio 7:10:1. What fraction of the counters are yellow?

    Answer: 1⁄18
  5. 5. Statistics

    Calculate the mean of: 20, 30, 5, 46, 29, 29, 16, 17

    Answer: 24

Thursday 15 December 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.086 in standard form

    Answer: 8.6 × 10-2
  2. 2. Algebra

    Factorise: x² - 6x - 40

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

    Hypotenuse = 35cm, angle = 63°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 15.89cm
  4. 4. Ratio

    In ratio 11:3:1, what fraction is the third part?

    Answer: 1⁄15
  5. 5. Statistics

    The mean of 4 numbers is 39. If 3 of them are 29, 47, 43, what is the missing number?

    Answer: 37

Friday 16 December 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 91,000 in standard form

    Answer: 9.1 × 104
  2. 2. Algebra

    Factorise: x² - 3x - 70

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

    Adjacent = 14cm, angle = 48°. Find opposite. Give your answer to 2 decimal places

    Answer: 15.55cm
  4. 4. Ratio

    £315.00 is shared between A and B in the ratio 4:5. How much does A receive?

    Answer: £140.00
  5. 5. Statistics

    The mean of 4 numbers is 35. If 3 of them are 28, 25, 41, what is the missing number?

    Answer: 46