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Lintel Jan 31 - Feb 6 25 questions
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Monday 31 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0024

    Answer: 2.4 × 10-3
  2. 2. Algebra

    Factorise: x² - 11x + 28

    Answer: (x - 7)(x - 4)
  3. 3. Geometry

    Hypotenuse = 34cm, angle = 44°. Find adjacent side

    Answer: 24.5cm
  4. 4. Ratio

    £296.00 is shared between A and B in the ratio 5:3. How much does A receive?

    Answer: £185.00
  5. 5. Statistics

    Calculate the mean of: 39, 19, 32, 29, 39, 22, 21

    Answer: 28.7

Tuesday 1 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00049

    Answer: 4.9 × 10-4
  2. 2. Algebra

    Factorise: x² + 2x - 3

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

    Adjacent = 24cm, angle = 37°. Find opposite

    Answer: 18.cm
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 4 numbers is 36. If 3 of them are 28, 26, 44, what is the missing number?

    Answer: 46

Wednesday 2 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    47000000

    Answer: 4.7 × 107
  2. 2. Algebra

    Factorise: x² + x - 12

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

    Hypotenuse = 15cm, angle = 39°. Find adjacent side

    Answer: 11.7cm
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 36. If 4 of them are 39, 38, 38, 49, what is the missing number?

    Answer: 16

Thursday 3 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.081

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

    Factorise: x² - 7x + 12

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

    Adjacent = 20cm, angle = 31°. Find opposite

    Answer: 12cm
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 35, 9, 23, 45, 23, 30, 12, 37

    Answer: 26.8

Friday 4 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00016

    Answer: 1.6 × 10-4
  2. 2. Algebra

    Factorise: x² - 13x + 42

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

    Adjacent = 30cm, angle = 31°. Find opposite

    Answer: 18cm
  4. 4. Ratio

    Simplify: 20:24:12

    Answer: 5:6:3
  5. 5. Statistics

    The mean of 6 numbers is 30. If 5 of them are 49, 34, 50, 23, 43, what is the missing number?

    Answer: -19