Change pack
Lintel Feb 28 - Mar 6 25 questions
PDF (questions) PDF (answers)

Monday 28 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0093

    Answer: 9.3 × 10-3
  2. 2. Algebra

    Factorise: x² - 8x + 12

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

    Hypotenuse = 17cm, angle = 55°. Find adjacent side

    Answer: 9.8cm
  4. 4. Ratio

    Simplify: 8:20:8

    Answer: 2:5:2
  5. 5. Statistics

    Calculate the mean of: 22, 17, 31, 7, 48, 24, 43, 8

    Answer: 25

Tuesday 1 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00023

    Answer: 2.3 × 10-4
  2. 2. Algebra

    Factorise: x² - 11x + 28

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

    Adjacent = 15cm, angle = 47°. Find opposite

    Answer: 16.cm
  4. 4. Ratio

    Express the first part of 3:6 as a fraction in simplest form

    Answer: 13
  5. 5. Statistics

    The mean of 5 numbers is 32. If 4 of them are 20, 38, 43, 19, what is the missing number?

    Answer: 40

Wednesday 2 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    360000

    Answer: 3.6 × 105
  2. 2. Algebra

    Factorise: x² - 10x + 21

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

    Hypotenuse = 25cm, angle = 39°. Find adjacent side

    Answer: 19.4cm
  4. 4. Ratio

    Express the first part of 4:6 as a fraction in simplest form

    Answer: 25
  5. 5. Statistics

    The mean of 4 numbers is 24. If 3 of them are 39, 19, 33, what is the missing number?

    Answer: 5

Thursday 3 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0016

    Answer: 1.6 × 10-3
  2. 2. Algebra

    Factorise: x² + 2x - 3

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

    Adjacent = 24cm, angle = 52°. Find opposite

    Answer: 30.7cm
  4. 4. Ratio

    Simplify: 18:12:9

    Answer: 6:4:3
  5. 5. Statistics

    Calculate the mean of: 22, 25, 11, 47, 8, 17, 42

    Answer: 24.6

Friday 4 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00094

    Answer: 9.4 × 10-4
  2. 2. Algebra

    Factorise: x² + x - 6

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

    Adjacent = 26cm, angle = 31°. Find opposite

    Answer: 15.6cm
  4. 4. Ratio

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

    Answer: 14
  5. 5. Statistics

    The mean of 6 numbers is 27. If 5 of them are 26, 47, 44, 46, 25, what is the missing number?

    Answer: -26