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

Monday 19 September 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 54 + 42

    Answer: 54 + 42 = 96
  2. 2. Algebra

    Factorise: 35x + 15

    Answer: 5(7x + 3)
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 24cm. Find the angle

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

    Find 24% of 92

    Answer: 22.08
  5. 5. Statistics

    Calculate the range of: 50, 83, 54, 44, 49, 51

    Answer: 39

Tuesday 20 September 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄3 + 3⁄8

    Answer: 17⁄24
  2. 2. Algebra

    Solve: x + 6 = 14

    Answer: x = 8
  3. 3. Geometry

    Opposite = 19cm, adjacent = 17cm. Calculate the angle

    Answer: 48.2°
  4. 4. Ratio

    Find 67% of 69

    Answer: 46.23
  5. 5. Statistics

    Find the mean of: 6, 13, 18, 4

    Answer: 10.25

Wednesday 21 September 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 89 + 83

    Answer: 89 + 83 = 172
  2. 2. Algebra

    Expand: 4(6x + 7)

    Answer: 24x + 28
  3. 3. Geometry

    Opposite = 7cm, hypotenuse = 14cm. Find the angle

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

    Simplify: 8:12:8

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

    Calculate the range of: 20, 39, 66, 58, 43, 28

    Answer: 46

Thursday 22 September 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 6⁄7 + 1⁄3

    Answer: 25⁄21
  2. 2. Algebra

    Factorise: 2x² + 7x

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

    Opposite = 12cm, adjacent = 18cm. Calculate the angle

    Answer: 33.7°
  4. 4. Ratio

    Simplify: 8:10:12

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

    Calculate the mean of: 36, 38, 5, 10, 34, 5

    Answer: 21.3

Friday 23 September 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 84 + 78

    Answer: 84 + 78 = 162
  2. 2. Algebra

    Find the next term: 21, 23, 25, 27, ...

    Answer: 29
  3. 3. Geometry

    Opposite = 8cm, hypotenuse = 16cm. Find the angle

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

    Find 37% of 430

    Answer: 159.1
  5. 5. Statistics

    Find the mean of: 13, 2, 10, 13, 17

    Answer: 11