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Lintel May 4 - 10 25 questions
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Monday 4 May 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    960000

    Answer: 9.6 × 105
  2. 2. Algebra

    Factorise: x² + 2x - 15

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

    Hypotenuse = 26cm, angle = 44°. Find adjacent side

    Answer: 18.7cm
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 39. If 4 of them are 23, 49, 22, 20, what is the missing number?

    Answer: 81

Tuesday 5 May 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.088

    Answer: 8.8 × 10-2
  2. 2. Algebra

    Factorise: x² - 13x + 42

    Answer: (x - 6)(x - 7)
  3. 3. Geometry

    Adjacent = 21cm, angle = 38°. Find opposite

    Answer: 16.4cm
  4. 4. Ratio

    In ratio 4:2:1, what fraction is the second part?

    Answer: 27
  5. 5. Statistics

    Calculate the mean of: 6, 20, 29, 16, 25, 16, 7

    Answer: 17

Wednesday 6 May 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    410000

    Answer: 4.1 × 105
  2. 2. Algebra

    Factorise: x² - 11x + 30

    Answer: (x - 5)(x - 6)
  3. 3. Geometry

    Hypotenuse = 18cm, angle = 61°. Find adjacent side

    Answer: 8.7cm
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 30, 9, 16, 24, 48, 16, 22, 6

    Answer: 21.4

Thursday 7 May 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00081

    Answer: 8.1 × 10-4
  2. 2. Algebra

    Factorise: x² + 4x - 32

    Answer: (x + 8)(x - 4)
  3. 3. Geometry

    Adjacent = 20cm, angle = 36°. Find opposite

    Answer: 14.5cm
  4. 4. Ratio

    £126.00 is shared between A and B in the ratio 1:2. How much does A receive?

    Answer: £42.00
  5. 5. Statistics

    The mean of 6 numbers is 26. If 5 of them are 22, 33, 37, 41, 31, what is the missing number?

    Answer: -8

Friday 8 May 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00017

    Answer: 1.7 × 10-4
  2. 2. Algebra

    Factorise: x² + x - 12

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

    Adjacent = 16cm, angle = 33°. Find opposite

    Answer: 10.4cm
  4. 4. Ratio

    £392.00 is shared between A and B in the ratio 3:5. How much does A receive?

    Answer: £147.00
  5. 5. Statistics

    The mean of 6 numbers is 29. If 5 of them are 26, 17, 27, 43, 49, what is the missing number?

    Answer: 12