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Lintel Sep 14 - 20 25 questions
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Monday 14 September 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    30000000

    Answer: 3 × 107
  2. 2. Algebra

    Factorise: x² - 4x + 4

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

    Adjacent = 19cm, angle = 56°. Find opposite

    Answer: 28.2cm
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 4 numbers is 25. If 3 of them are 48, 38, 40, what is the missing number?

    Answer: -26

Tuesday 15 September 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0078

    Answer: 7.8 × 10-3
  2. 2. Algebra

    Factorise: x² + 5x - 6

    Answer: (x + 6)(x - 1)
  3. 3. Geometry

    Hypotenuse = 23cm, angle = 27°. Find adjacent side

    Answer: 20.5cm
  4. 4. Ratio

    £200.00 is shared between A and B in the ratio 3:2. How much does A receive?

    Answer: £120.00
  5. 5. Statistics

    Calculate the mean of: 49, 37, 32, 44, 7, 11

    Answer: 30

Wednesday 16 September 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    23000000

    Answer: 2.3 × 107
  2. 2. Algebra

    Factorise: x² + 2x - 24

    Answer: (x + 6)(x - 4)
  3. 3. Geometry

    Adjacent = 27cm, angle = 49°. Find opposite

    Answer: 31.cm
  4. 4. Ratio

    £200.00 is shared between A and B in the ratio 3:5. How much does A receive?

    Answer: £75.00
  5. 5. Statistics

    Calculate the mean of: 37, 31, 50, 35, 41, 34

    Answer: 38

Thursday 17 September 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.085

    Answer: 8.5 × 10-2
  2. 2. Algebra

    Factorise: x² - 12x + 36

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

    Hypotenuse = 21cm, angle = 28°. Find adjacent side

    Answer: 18.5cm
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 4 numbers is 25. If 3 of them are 30, 22, 43, what is the missing number?

    Answer: 5

Friday 18 September 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.052

    Answer: 5.2 × 10-2
  2. 2. Algebra

    Factorise: x² - 10x + 21

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

    Hypotenuse = 33cm, angle = 46°. Find adjacent side

    Answer: 22.9cm
  4. 4. Ratio

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

    Answer: 310
  5. 5. Statistics

    The mean of 5 numbers is 36. If 4 of them are 20, 35, 46, 40, what is the missing number?

    Answer: 39