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Lintel Jan 3 - 9 25 questions
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Monday 3 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.034

    Answer: 3.4 × 10-2
  2. 2. Algebra

    Factorise: x² - 9x + 20

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

    Hypotenuse = 34cm, angle = 53°. Find adjacent side

    Answer: 20.5cm
  4. 4. Ratio

    Divide 189 in the ratio 2:3:2

    Answer: 54, 81 and 54
  5. 5. Statistics

    Calculate the mean of: 43, 11, 22, 34, 43, 35, 13

    Answer: 28.7

Tuesday 4 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00047

    Answer: 4.7 × 10-4
  2. 2. Algebra

    Factorise: x² - 9x + 14

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

    Hypotenuse = 27cm, angle = 40°. Find adjacent side

    Answer: 20.7cm
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 33. If 5 of them are 22, 20, 44, 17, 16, what is the missing number?

    Answer: 79

Wednesday 5 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    2700000

    Answer: 2.7 × 106
  2. 2. Algebra

    Factorise: x² + 5x - 24

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

    Adjacent = 30cm, angle = 37°. Find opposite

    Answer: 22.6cm
  4. 4. Ratio

    £168.00 is shared between A and B in the ratio 3:4. How much does A receive?

    Answer: £72.00
  5. 5. Statistics

    Calculate the mean of: 50, 9, 5, 26, 14, 44

    Answer: 24.7

Thursday 6 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.059

    Answer: 5.9 × 10-2
  2. 2. Algebra

    Factorise: x² + 4x - 12

    Answer: (x + 6)(x - 2)
  3. 3. Geometry

    Hypotenuse = 39cm, angle = 59°. Find adjacent side

    Answer: 20.cm
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 24, 12, 42, 9, 35, 9

    Answer: 21.8

Friday 7 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    40000

    Answer: 4 × 104
  2. 2. Algebra

    Factorise: x² - 4x + 4

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

    Adjacent = 17cm, angle = 54°. Find opposite

    Answer: 23.4cm
  4. 4. Ratio

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

    Answer: 17
  5. 5. Statistics

    The mean of 6 numbers is 34. If 5 of them are 42, 20, 16, 25, 46, what is the missing number?

    Answer: 55