Change pack
Cornerstone Jan 1 - 7 25 questions
PDF (questions) PDF (answers)

Monday 16 August 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 78 + 24

    Answer: 118
  2. 2. Algebra

    Factorise: 2x² + 5x

    Answer: x(2x + 5)
  3. 3. Geometry

    Opposite = 13cm, adjacent = 11cm. Calculate the angle

    Answer: 49.8°
  4. 4. Ratio

    Find 21% of 284

    Answer: 59.64
  5. 5. Statistics

    Find the mean of: 5, 17, 20, 11

    Answer: 13.25

Tuesday 17 August 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 97 + 56

    Answer: 97 + 56 = 153
  2. 2. Algebra

    Simplify: 3x + 9x

    Answer: 12x
  3. 3. Geometry

    Find the distance between (2, 2) and (5, 8)

    Answer: 6.71
  4. 4. Ratio

    Simplify: 6:4:8

    Answer: 3:2:4
  5. 5. Statistics

    Calculate the mean of: 12, 22, 23, 36, 16, 41

    Answer: 25

Wednesday 18 August 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 15 + 25

    Answer: 35
  2. 2. Algebra

    Solve: 6x + 10 = 5x + 13

    Answer: x = 3
  3. 3. Geometry

    Opposite = 5cm, hypotenuse = 10cm. Find the angle

    Answer: 30° (approximately)
  4. 4. Ratio

    Find 67% of 84

    Answer: 56.28
  5. 5. Statistics

    Calculate the mean of: 32, 17, 48, 25, 9, 12, 31, 5

    Answer: 22.4

Thursday 19 August 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 244 + 837

    Answer: 244 + 837 = 1081
  2. 2. Algebra

    Factorise: 9x² + 5x

    Answer: x(9x + 5)
  3. 3. Geometry

    Opposite = 14cm, adjacent = 16cm. Calculate the angle

    Answer: 41.2°
  4. 4. Ratio

    Simplify: 20:12:8

    Answer: 5:3:2
  5. 5. Statistics

    Find the range of: 9, 7, 14, 16, 26

    Answer: 19

Friday 20 August 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 34 + 39

    Answer: 34 + 39 = 73
  2. 2. Algebra

    What is the next term? 6, 24, 96, 384, ...

    Answer: 1536
  3. 3. Geometry

    Opposite = 6cm, hypotenuse = 6.9cm. Find the angle

    Answer: 60° (approximately)
  4. 4. Ratio

    Simplify: 12:6:9

    Answer: 4:2:3
  5. 5. Statistics

    Calculate the mean of: 34, 20, 9, 17, 20, 12

    Answer: 18.7