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

Monday 18 September 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.00019 in standard form

    Answer: 1.9 × 10-4
  2. 2. Algebra

    Factorise: x² - 7x - 44

    Answer: (x + 4)(x - 11)
  3. 3. Geometry

    Hypotenuse = 17cm, angle = 61°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 8.24cm
  4. 4. Ratio

    Express the first part of 13:9 as a fraction in simplest form

    Answer: 13⁄22
  5. 5. Statistics

    The mean of 5 numbers is 36. If 4 of them are 49, 27, 22, 37, what is the missing number?

    Answer: 45

Tuesday 19 September 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 610,000 in standard form

    Answer: 6.1 × 105
  2. 2. Algebra

    Factorise: x² - 3x - 4

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

    Adjacent = 17cm, angle = 42°. Find opposite. Give your answer to 2 decimal places

    Answer: 15.31cm
  4. 4. Ratio

    Simplify: 10:6:6

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

    Calculate the mean of: 19, 13, 31, 41, 36, 15, 49. Give your answer to 2 decimal places

    Answer: 29.14

Wednesday 20 September 2017

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 + x - 6

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

    Hypotenuse = 40cm, angle = 60°. Find adjacent side

    Answer: 20cm
  4. 4. Ratio

    Simplify: 24:20:12

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

    The mean of 6 numbers is 37. If 5 of them are 36, 47, 48, 30, 23, what is the missing number?

    Answer: 38

Thursday 21 September 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 570,000,000 in standard form

    Answer: 5.7 × 108
  2. 2. Algebra

    Factorise: x² + 5x - 24

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

    Adjacent = 18cm, angle = 52°. Find opposite. Give your answer to 2 decimal places

    Answer: 23.04cm
  4. 4. Ratio

    Black and white beads are in the ratio 2:10. What fraction of the beads are black?

    Answer: 1⁄6
  5. 5. Statistics

    Calculate the mean of: 28, 22, 8, 28, 43, 8. Give your answer to 2 decimal places

    Answer: 22.83

Friday 22 September 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Write 0.083 in standard form

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

    Factorise: x² + 11x + 30

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

    Hypotenuse = 33cm, angle = 45°. Find adjacent side. Give your answer to 2 decimal places

    Answer: 23.33cm
  4. 4. Ratio

    Express the first part of 4:14 as a fraction in simplest form

    Answer: 2⁄9
  5. 5. Statistics

    Calculate the mean of: 27, 26, 31, 45, 43, 47, 44. Give your answer to 2 decimal places

    Answer: 37.57