Change pack
Lintel Oct 7 - 13 25 questions
PDF (questions) PDF (answers)

Monday 7 October 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.078

    Answer: 7.8 × 10-2
  2. 2. Algebra

    Factorise: x² + x - 20

    Answer: (x + 5)(x - 4)
  3. 3. Geometry

    Hypotenuse = 20cm, angle = 36°. Find adjacent side

    Answer: 16.2cm
  4. 4. Ratio

    Simplify: 9:12:6

    Answer: 3:4:2
  5. 5. Statistics

    Calculate the mean of: 37, 8, 34, 6, 30, 28

    Answer: 23.8

Tuesday 8 October 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.055

    Answer: 5.5 × 10-2
  2. 2. Algebra

    Factorise: x² + 3x - 18

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

    Hypotenuse = 23cm, angle = 59°. Find adjacent side

    Answer: 11.8cm
  4. 4. Ratio

    Simplify: 4:10:6

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

    Calculate the mean of: 30, 17, 20, 22, 42, 14

    Answer: 24.2

Wednesday 9 October 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    510000

    Answer: 5.1 × 105
  2. 2. Algebra

    Factorise: x² - 9x + 14

    Answer: (x - 2)(x - 7)
  3. 3. Geometry

    Adjacent = 14cm, angle = 56°. Find opposite

    Answer: 20.8cm
  4. 4. Ratio

    Express the first part of 4:2 as a fraction in simplest form

    Answer: 23
  5. 5. Statistics

    The mean of 4 numbers is 33. If 3 of them are 44, 40, 39, what is the missing number?

    Answer: 9

Thursday 10 October 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    260000

    Answer: 2.6 × 105
  2. 2. Algebra

    Factorise: x² - 7x + 10

    Answer: (x - 2)(x - 5)
  3. 3. Geometry

    Hypotenuse = 39cm, angle = 53°. Find adjacent side

    Answer: 23.5cm
  4. 4. Ratio

    Divide 210 in the ratio 4:1:2

    Answer: 120, 30 and 60
  5. 5. Statistics

    The mean of 5 numbers is 36. If 4 of them are 39, 24, 36, 16, what is the missing number?

    Answer: 65

Friday 11 October 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00062

    Answer: 6.2 × 10-4
  2. 2. Algebra

    Factorise: x² + 5x - 14

    Answer: (x + 7)(x - 2)
  3. 3. Geometry

    Adjacent = 21cm, angle = 55°. Find opposite

    Answer: 30cm
  4. 4. Ratio

    Express the first part of 3:6 as a fraction in simplest form

    Answer: 13
  5. 5. Statistics

    Calculate the mean of: 50, 23, 15, 24, 14, 41, 45, 29

    Answer: 30.1