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Lintel May 6 - 12 25 questions
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Monday 6 May 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    78000000

    Answer: 7.8 × 107
  2. 2. Algebra

    Factorise: x² - 6x + 9

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

    Adjacent = 11cm, angle = 45°. Find opposite

    Answer: 11cm
  4. 4. Ratio

    Simplify: 12:18:12

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

    Calculate the mean of: 18, 46, 18, 9, 12, 21

    Answer: 20.7

Tuesday 7 May 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00054

    Answer: 5.4 × 10-4
  2. 2. Algebra

    Factorise: x² + x - 2

    Answer: (x + 2)(x - 1)
  3. 3. Geometry

    Hypotenuse = 30cm, angle = 50°. Find adjacent side

    Answer: 19.3cm
  4. 4. Ratio

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

    Answer: 13
  5. 5. Statistics

    The mean of 6 numbers is 30. If 5 of them are 39, 25, 36, 39, 48, what is the missing number?

    Answer: -7

Wednesday 8 May 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.024

    Answer: 2.4 × 10-2
  2. 2. Algebra

    Factorise: x² + 3x - 4

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

    Hypotenuse = 19cm, angle = 36°. Find adjacent side

    Answer: 15.4cm
  4. 4. Ratio

    Simplify: 8:16:12

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

    The mean of 6 numbers is 30. If 5 of them are 48, 38, 29, 47, 25, what is the missing number?

    Answer: -7

Thursday 9 May 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    76000000

    Answer: 7.6 × 107
  2. 2. Algebra

    Factorise: x² - 9x + 14

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

    Adjacent = 27cm, angle = 32°. Find opposite

    Answer: 16.9cm
  4. 4. Ratio

    Express the first part of 2:6 as a fraction in simplest form

    Answer: 14
  5. 5. Statistics

    Calculate the mean of: 7, 29, 15, 12, 9, 14, 38

    Answer: 17.7

Friday 10 May 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    86000000

    Answer: 8.6 × 107
  2. 2. Algebra

    Factorise: x² - 10x + 21

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

    Hypotenuse = 15cm, angle = 37°. Find adjacent side

    Answer: 12cm
  4. 4. Ratio

    £258.00 is shared between A and B in the ratio 1:2. How much does A receive?

    Answer: £86.00
  5. 5. Statistics

    Calculate the mean of: 48, 47, 8, 27, 46, 24, 24, 15

    Answer: 29.9