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Lintel Feb 10 - 16 25 questions
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Monday 10 February 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0097

    Answer: 9.7 × 10-3
  2. 2. Algebra

    Factorise: x² + 2x - 3

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

    Adjacent = 19cm, angle = 45°. Find opposite

    Answer: 19cm
  4. 4. Ratio

    In ratio 3:2:2, what fraction is the second part?

    Answer: 27
  5. 5. Statistics

    The mean of 4 numbers is 27. If 3 of them are 24, 40, 24, what is the missing number?

    Answer: 20

Tuesday 11 February 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    4100000

    Answer: 4.1 × 106
  2. 2. Algebra

    Factorise: x² - 9x + 20

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

    Hypotenuse = 17cm, angle = 58°. Find adjacent side

    Answer: 9cm
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 31, 39, 41, 16, 11, 5, 40

    Answer: 26.1

Wednesday 12 February 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00042

    Answer: 4.2 × 10-4
  2. 2. Algebra

    Factorise: x² - 5x + 6

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

    Adjacent = 24cm, angle = 32°. Find opposite

    Answer: 15cm
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 22, 35, 35, 43, 46, 15, 13

    Answer: 29.9

Thursday 13 February 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    600000

    Answer: 6 × 105
  2. 2. Algebra

    Factorise: x² + 4x - 5

    Answer: (x + 5)(x - 1)
  3. 3. Geometry

    Hypotenuse = 31cm, angle = 29°. Find adjacent side

    Answer: 27.cm
  4. 4. Ratio

    £294.00 is shared between A and B in the ratio 5:2. How much does A receive?

    Answer: £210.00
  5. 5. Statistics

    The mean of 6 numbers is 21. If 5 of them are 36, 46, 27, 43, 25, what is the missing number?

    Answer: -51

Friday 14 February 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    73000

    Answer: 7.3 × 104
  2. 2. Algebra

    Factorise: x² + 2x - 15

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

    Hypotenuse = 37cm, angle = 41°. Find adjacent side

    Answer: 27.9cm
  4. 4. Ratio

    Express the first part of 4:3 as a fraction in simplest form

    Answer: 47
  5. 5. Statistics

    Calculate the mean of: 16, 27, 50, 23, 36, 14, 33

    Answer: 28.4