Change pack
Cornerstone Mar 2 - 8 25 questions
PDF (questions) PDF (answers)

Monday 2 March 2026

Keystones #61 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄11 × 4

    Answer: 4⁄11
  2. 2. Algebra

    Expand: 3(x + 6)

    Answer: 3x + 18
  3. 3. Geometry

    Find b if a = 5cm and c = 14cm

    Answer: 13.08cm
  4. 4. Ratio

    In ratio 5:3, the difference between shares is 26. What are the shares?

    Answer: 65 and 39
  5. 5. Statistics

    Find the range of: 25, 19, 28, 30, 27

    Answer: 11

Tuesday 3 March 2026

Keystones #62 · Five questions · Open this day only

  1. 1. Number

    Multiply: 5⁄5 × 4⁄8

    Answer: 1⁄2
  2. 2. Algebra

    Expand: 4(3x + 5)

    Answer: 12x + 20
  3. 3. Geometry

    Find b if a = 6cm and c = 13cm

    Answer: 11.53cm
  4. 4. Ratio

    In ratio 5:3, the difference between shares is 24. What are the shares?

    Answer: 60 and 36
  5. 5. Statistics

    Calculate the range of: 64, 78, 59, 81, 32, 80

    Answer: 49

Wednesday 4 March 2026

Keystones #63 · Five questions · Open this day only

  1. 1. Number

    Multiply: 4⁄6 × 3⁄8

    Answer: 1⁄4
  2. 2. Algebra

    Expand: 6(6x + 2)

    Answer: 36x + 12
  3. 3. Geometry

    In a right triangle, if c = 5cm and a = 3cm, find b

    Answer: 4cm
  4. 4. Ratio

    A and B share in ratio 5:4. If the difference is 27, what does A get?

    Answer: 135
  5. 5. Statistics

    Find the range of: 20, 21, 14, 14, 6

    Answer: 15

Thursday 5 March 2026

Keystones #64 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄8 × 6

    Answer: 3⁄2
  2. 2. Algebra

    Expand: 4(x + 2)

    Answer: 4x + 8
  3. 3. Geometry

    Find b if a = 13cm and c = 17cm

    Answer: 10.95cm
  4. 4. Ratio

    A and B share in ratio 5:3. If the difference is 48, what does A get?

    Answer: 120
  5. 5. Statistics

    Calculate the range of: 108, 77, 50, 91, 51, 74

    Answer: 58

Friday 6 March 2026

Keystones #65 · Five questions · Open this day only

  1. 1. Number

    Multiply: 1⁄6 × 4⁄8

    Answer: 1⁄12
  2. 2. Algebra

    Expand: 4(x + 8)

    Answer: 4x + 32
  3. 3. Geometry

    In a right triangle, if c = 10cm and a = 6cm, find b

    Answer: 8cm
  4. 4. Ratio

    A and B share in ratio 5:2. If the difference is 96, what does A get?

    Answer: 160
  5. 5. Statistics

    Calculate the range of: 98, 47, 120, 68, 120, 93

    Answer: 73