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Lintel Oct 12 - 18 25 questions
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Monday 12 October 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    640000

    Answer: 6.4 × 105
  2. 2. Algebra

    Factorise: x² + 2x - 8

    Answer: (x + 4)(x - 2)
  3. 3. Geometry

    Adjacent = 11cm, angle = 48°. Find opposite

    Answer: 12.2cm
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 30, 5, 39, 39, 17, 32

    Answer: 27

Tuesday 13 October 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00089

    Answer: 8.9 × 10-4
  2. 2. Algebra

    Factorise: x² - 9x + 14

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

    Hypotenuse = 25cm, angle = 40°. Find adjacent side

    Answer: 19.2cm
  4. 4. Ratio

    £110.00 is shared between A and B in the ratio 2:3. How much does A receive?

    Answer: £44.00
  5. 5. Statistics

    The mean of 4 numbers is 36. If 3 of them are 47, 19, 19, what is the missing number?

    Answer: 59

Wednesday 14 October 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.023

    Answer: 2.3 × 10-2
  2. 2. Algebra

    Factorise: x² - 5x + 6

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

    Hypotenuse = 32cm, angle = 40°. Find adjacent side

    Answer: 24.5cm
  4. 4. Ratio

    Express the first part of 2:3 as a fraction in simplest form

    Answer: 25
  5. 5. Statistics

    Calculate the mean of: 34, 41, 31, 27, 14, 14, 36

    Answer: 28.1

Thursday 15 October 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    2600000

    Answer: 2.6 × 106
  2. 2. Algebra

    Factorise: x² + x - 12

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

    Adjacent = 25cm, angle = 57°. Find opposite

    Answer: 38.5cm
  4. 4. Ratio

    Express the first part of 4:5 as a fraction in simplest form

    Answer: 49
  5. 5. Statistics

    The mean of 6 numbers is 24. If 5 of them are 38, 15, 21, 18, 33, what is the missing number?

    Answer: 19

Friday 16 October 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0066

    Answer: 6.6 × 10-3
  2. 2. Algebra

    Factorise: x² + 3x - 40

    Answer: (x + 8)(x - 5)
  3. 3. Geometry

    Hypotenuse = 33cm, angle = 44°. Find adjacent side

    Answer: 23.7cm
  4. 4. Ratio

    Simplify: 6:12:18

    Answer: 1:2:3
  5. 5. Statistics

    The mean of 6 numbers is 40. If 5 of them are 28, 32, 38, 26, 42, what is the missing number?

    Answer: 74