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

Monday 31 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 92 + ? = 100

    Answer: 8
  2. 2. Algebra

    Factorise: 3x² + 8x

    Answer: x(3x + 8)
  3. 3. Geometry

    Opposite = 13cm, adjacent = 14cm. Calculate the angle

    Answer: 42.9°
  4. 4. Ratio

    Calculate 10% of 84

    Answer: 8.4
  5. 5. Statistics

    Find the range of: 35, 20, 24, 37, 29

    Answer: 17

Tuesday 1 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 52 + 64

    Answer: 52 + 64 = 116
  2. 2. Algebra

    What is the next term? 3, 9, 27, 81, ...

    Answer: 243
  3. 3. Geometry

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

    Answer: 41.2°
  4. 4. Ratio

    Find 46% of 187

    Answer: 86.02
  5. 5. Statistics

    Find the mean of: 20, 17, 10

    Answer: 15.666666666667

Wednesday 2 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 11²

    Answer: 11² = 121
  2. 2. Algebra

    Expand: 3(4x + 7)

    Answer: 12x + 21
  3. 3. Geometry

    Find the area of a circle with radius 9cm

    Answer: 254.47cm²
  4. 4. Ratio

    Simplify: 15:12:9

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

    Find the range of: 17, 16, 27, 17, 23

    Answer: 11

Thursday 3 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 16 + 46

    Answer: 56
  2. 2. Algebra

    Expand: 7(x + 9)

    Answer: 7x + 63
  3. 3. Geometry

    Calculate the area of a circle with diameter 17cm

    Answer: 226.98cm²
  4. 4. Ratio

    Simplify: 12:8:10

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

    Calculate the mean of: 50, 12, 24, 23, 47, 49, 20, 46

    Answer: 33.9

Friday 4 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 69 + 86

    Answer: 69 + 86 = 155
  2. 2. Algebra

    Simplify: 4x + 9x

    Answer: 13x
  3. 3. Geometry

    Opposite = 17cm, adjacent = 13cm. Calculate the angle

    Answer: 52.6°
  4. 4. Ratio

    Simplify the ratio 10:12

    Answer: 5:6
  5. 5. Statistics

    Find the mean of: 7, 17, 11, 2, 16

    Answer: 10.6