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Lintel Jun 27 - Jul 3 25 questions
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Monday 27 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    5200000

    Answer: 5.2 × 106
  2. 2. Algebra

    Factorise: x² + 2x - 3

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

    Adjacent = 14cm, angle = 36°. Find opposite

    Answer: 10.2cm
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 34. If 4 of them are 34, 38, 50, 24, what is the missing number?

    Answer: 24

Tuesday 28 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    33000

    Answer: 3.3 × 104
  2. 2. Algebra

    Factorise: x² + 7x - 8

    Answer: (x + 8)(x - 1)
  3. 3. Geometry

    Adjacent = 19cm, angle = 32°. Find opposite

    Answer: 11.9cm
  4. 4. Ratio

    £329.00 is shared between A and B in the ratio 3:4. How much does A receive?

    Answer: £141.00
  5. 5. Statistics

    The mean of 6 numbers is 26. If 5 of them are 45, 44, 26, 15, 42, what is the missing number?

    Answer: -16

Wednesday 29 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0039

    Answer: 3.9 × 10-3
  2. 2. Algebra

    Factorise: x² - 6x + 8

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

    Hypotenuse = 36cm, angle = 62°. Find adjacent side

    Answer: 16.9cm
  4. 4. Ratio

    In ratio 1:4:3, what fraction is the second part?

    Answer: 48
  5. 5. Statistics

    Calculate the mean of: 44, 41, 7, 12, 16, 20, 11, 7

    Answer: 19.8

Thursday 30 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00064

    Answer: 6.4 × 10-4
  2. 2. Algebra

    Factorise: x² - 10x + 25

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

    Adjacent = 25cm, angle = 34°. Find opposite

    Answer: 16.9cm
  4. 4. Ratio

    £322.00 is shared between A and B in the ratio 2:5. How much does A receive?

    Answer: £92.00
  5. 5. Statistics

    Calculate the mean of: 24, 34, 35, 23, 34, 16, 31, 50

    Answer: 30.9

Friday 1 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    890000

    Answer: 8.9 × 105
  2. 2. Algebra

    Factorise: x² + 3x - 18

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

    Hypotenuse = 33cm, angle = 32°. Find adjacent side

    Answer: 28cm
  4. 4. Ratio

    In ratio 3:1:1, what fraction is the second part?

    Answer: 15
  5. 5. Statistics

    Calculate the mean of: 9, 19, 45, 42, 31, 50

    Answer: 32.7