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Lintel Aug 31 - Sep 6 25 questions
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Monday 31 August 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0002

    Answer: 2 × 10-4
  2. 2. Algebra

    Factorise: x² - 9x + 18

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

    Adjacent = 11cm, angle = 47°. Find opposite

    Answer: 11.8cm
  4. 4. Ratio

    £322.00 is shared between A and B in the ratio 3:4. How much does A receive?

    Answer: £138.00
  5. 5. Statistics

    Calculate the mean of: 26, 44, 22, 8, 47, 19, 22, 21

    Answer: 26.1

Tuesday 1 September 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.078

    Answer: 7.8 × 10-2
  2. 2. Algebra

    Factorise: x² - 6x + 8

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

    Adjacent = 27cm, angle = 47°. Find opposite

    Answer: 29cm
  4. 4. Ratio

    £272.00 is shared between A and B in the ratio 5:3. How much does A receive?

    Answer: £170.00
  5. 5. Statistics

    The mean of 4 numbers is 25. If 3 of them are 48, 35, 20, what is the missing number?

    Answer: -3

Wednesday 2 September 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    220000

    Answer: 2.2 × 105
  2. 2. Algebra

    Factorise: x² - 8x + 16

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

    Hypotenuse = 20cm, angle = 52°. Find adjacent side

    Answer: 12.3cm
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 4 numbers is 30. If 3 of them are 27, 20, 45, what is the missing number?

    Answer: 28

Thursday 3 September 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00028

    Answer: 2.8 × 10-4
  2. 2. Algebra

    Factorise: x² + 4x - 5

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

    Adjacent = 30cm, angle = 51°. Find opposite

    Answer: 37cm
  4. 4. Ratio

    £154.00 is shared between A and B in the ratio 2:5. How much does A receive?

    Answer: £44.00
  5. 5. Statistics

    Calculate the mean of: 31, 26, 47, 29, 32, 13

    Answer: 29.7

Friday 4 September 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.057

    Answer: 5.7 × 10-2
  2. 2. Algebra

    Factorise: x² + x - 20

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

    Adjacent = 11cm, angle = 41°. Find opposite

    Answer: 9.6cm
  4. 4. Ratio

    Divide 75 in the ratio 2:2:1

    Answer: 30, 30 and 15
  5. 5. Statistics

    The mean of 4 numbers is 34. If 3 of them are 36, 49, 20, what is the missing number?

    Answer: 31