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

Monday 7 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 56 + 78

    Answer: 4124
  2. 2. Algebra

    Solve: x + 11 = 28

    Answer: x = 17
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 20cm. Find the angle

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

    Calculate 50% of 139

    Answer: 69.5
  5. 5. Statistics

    Find the range of: 29, 17, 29, 12, 22

    Answer: 17

Tuesday 8 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 27 + 13

    Answer: 1321
  2. 2. Algebra

    Simplify: 4x + 5x

    Answer: 9x
  3. 3. Geometry

    Opposite = 9cm, hypotenuse = 10.4cm. Find the angle

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

    Simplify the ratio 12:15

    Answer: 4:5
  5. 5. Statistics

    Find the mean of: 13, 15, 8, 17, 10

    Answer: 12.6

Wednesday 9 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 69 + 30

    Answer: 69 + 30 = 99
  2. 2. Algebra

    Factorise: 9x² + 9x

    Answer: 9x(x + 1)
  3. 3. Geometry

    Opposite = 15cm, adjacent = 20cm. Calculate the angle

    Answer: 36.9°
  4. 4. Ratio

    Calculate 50% of 184

    Answer: 92
  5. 5. Statistics

    Calculate the mean of: 20, 48, 45, 43, 6, 45, 30, 12

    Answer: 31.1

Thursday 10 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 26 + 85

    Answer: 26 + 85 = 111
  2. 2. Algebra

    Collect like terms: 3x + 2y + 3x + 2y

    Answer: 6x + 4y
  3. 3. Geometry

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

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

    Calculate 50% of 48

    Answer: 24
  5. 5. Statistics

    Calculate the mean of: 27, 30, 16, 43, 23, 34, 12

    Answer: 26.4

Friday 11 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 844 + 713

    Answer: 844 + 713 = 1557
  2. 2. Algebra

    Factorise: 15x + 24

    Answer: 3(5x + 8)
  3. 3. Geometry

    Opposite = 13cm, adjacent = 16cm. Calculate the angle

    Answer: 39.1°
  4. 4. Ratio

    Simplify the ratio 8:32

    Answer: 1:4
  5. 5. Statistics

    Find the mean of: 3, 18, 6, 3, 17

    Answer: 9.4