Change pack
Lintel Jun 23 - 29 25 questions
PDF (questions) PDF (answers)

Monday 23 June 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00058

    Answer: 5.8 × 10-4
  2. 2. Algebra

    Factorise: x² - 10x + 24

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

    Hypotenuse = 18cm, angle = 26°. Find adjacent side

    Answer: 16.2cm
  4. 4. Ratio

    Express the first part of 5:3 as a fraction in simplest form

    Answer: 58
  5. 5. Statistics

    Calculate the mean of: 23, 39, 17, 24, 36, 42, 37, 50

    Answer: 33.5

Tuesday 24 June 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.09

    Answer: 9 × 10-2
  2. 2. Algebra

    Factorise: x² - 10x + 25

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

    Hypotenuse = 16cm, angle = 55°. Find adjacent side

    Answer: 9.2cm
  4. 4. Ratio

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

    Answer: 48
  5. 5. Statistics

    The mean of 6 numbers is 22. If 5 of them are 34, 39, 15, 22, 19, what is the missing number?

    Answer: 3

Wednesday 25 June 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    280000

    Answer: 2.8 × 105
  2. 2. Algebra

    Factorise: x² + x - 2

    Answer: (x + 2)(x - 1)
  3. 3. Geometry

    Adjacent = 29cm, angle = 41°. Find opposite

    Answer: 25.2cm
  4. 4. Ratio

    £204.00 is shared between A and B in the ratio 2:1. How much does A receive?

    Answer: £136.00
  5. 5. Statistics

    Calculate the mean of: 20, 8, 27, 21, 8, 12, 24, 36

    Answer: 19.5

Thursday 26 June 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00081

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

    Factorise: x² + x - 6

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

    Hypotenuse = 32cm, angle = 26°. Find adjacent side

    Answer: 28.8cm
  4. 4. Ratio

    £315.00 is shared between A and B in the ratio 3:4. How much does A receive?

    Answer: £135.00
  5. 5. Statistics

    Calculate the mean of: 34, 44, 40, 29, 33, 20

    Answer: 33.3

Friday 27 June 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    360000

    Answer: 3.6 × 105
  2. 2. Algebra

    Factorise: x² - 13x + 42

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

    Adjacent = 10cm, angle = 57°. Find opposite

    Answer: 15.4cm
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 35. If 4 of them are 15, 23, 42, 25, what is the missing number?

    Answer: 70