Change pack
Lintel Nov 15 - 21 25 questions
PDF (questions) PDF (answers)

Monday 15 November 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 970,000 in standard form

    Answer: 9.7 × 105
  2. 2. Algebra

    Factorise: x² - 3x - 4

    Answer: (x + 1)(x - 4)
  3. 3. Geometry

    Adjacent = 18cm, angle = 60°. Find opposite. Give your answer to 2 decimal places

    Answer: 31.18cm
  4. 4. Ratio

    Simplify: 10:8:4

    Answer: 5:4:2
  5. 5. Statistics

    The mean of 4 numbers is 38. If 3 of them are 26, 22, 47, what is the missing number?

    Answer: 57

Tuesday 16 November 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.000093 in standard form

    Answer: 9.3 × 10-5
  2. 2. Algebra

    Factorise: x² - 8x - 20

    Answer: (x + 2)(x - 10)
  3. 3. Geometry

    Hypotenuse = 37cm, angle = 36°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 29.93cm
  4. 4. Ratio

    Express the first part of 7:10 as a fraction in simplest form

    Answer: 7⁄17
  5. 5. Statistics

    The mean of 4 numbers is 26. If 3 of them are 34, 22, 30, what is the missing number?

    Answer: 18

Wednesday 17 November 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 12,000,000 in standard form

    Answer: 1.2 × 107
  2. 2. Algebra

    Factorise: x² + x - 12

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

    Adjacent = 30cm, angle = 57°. Find opposite. Give your answer to 2 decimal places

    Answer: 46.2cm
  4. 4. Ratio

    Divide 270 in the ratio 4:3:3

    Answer: 108, 81 and 81
  5. 5. Statistics

    Calculate the mean of: 10, 33, 16, 15, 24, 33, 48. Give your answer to 2 decimal places

    Answer: 25.57

Thursday 18 November 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 6,300,000 in standard form

    Answer: 6.3 × 106
  2. 2. Algebra

    Factorise: x² + x - 56

    Answer: (x + 8)(x - 7)
  3. 3. Geometry

    Adjacent = 26cm, angle = 44°. Find opposite. Give your answer to 2 decimal places

    Answer: 25.11cm
  4. 4. Ratio

    Divide 168 in the ratio 2:4:1

    Answer: 48, 96 and 24
  5. 5. Statistics

    Calculate the mean of: 33, 41, 30, 24, 43, 32, 16. Give your answer to 2 decimal places

    Answer: 31.29

Friday 19 November 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.0063 in standard form

    Answer: 6.3 × 10-3
  2. 2. Algebra

    Factorise: x² - x - 30

    Answer: (x + 5)(x - 6)
  3. 3. Geometry

    Hypotenuse = 39cm, angle = 31°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 33.43cm
  4. 4. Ratio

    Express the first part of 9:3 as a fraction in simplest form

    Answer: 3⁄4
  5. 5. Statistics

    The mean of 6 numbers is 39. If 5 of them are 16, 43, 30, 43, 44, what is the missing number?

    Answer: 58