Change pack
Cornerstone Jan 26 - Feb 1 25 questions
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Monday 26 January 2026

Keystones #26 · Five questions · Open this day only

  1. 1. Number

    Simplify: 95 × 94

    Answer: 99
  2. 2. Algebra

    Solve: 5x - 10 = 2x + -1

    Answer: x = 3
  3. 3. Geometry

    Convert 10kg to g

    Answer: 10000g
  4. 4. Ratio

    Divide 192 in the ratio 1:2:1

    Answer: 48, 96 and 48
  5. 5. Statistics

    A fair coin is flipped 56 times. How many heads would you expect?

    Answer: 28

Tuesday 27 January 2026

Keystones #27 · Five questions · Open this day only

  1. 1. Number

    Simplify: x6 × x6

    Answer: x12
  2. 2. Algebra

    Solve: 6x + 4 = 2x + 24

    Answer: x = 5
  3. 3. Geometry

    Convert 7837ml to litres

    Answer: 7.837 litres
  4. 4. Ratio

    Express the first part of 4:6 as a fraction in simplest form

    Answer: 2⁄5
  5. 5. Statistics

    A die is rolled 36 times. How many times would you expect to get a 6?

    Answer: 6

Wednesday 28 January 2026

Keystones #28 · Five questions · Open this day only

  1. 1. Number

    Simplify: x4 × x4

    Answer: x8
  2. 2. Algebra

    Solve: 9x + 3 = 5x + 35

    Answer: x = 8
  3. 3. Geometry

    Convert 4.8kg to g

    Answer: 4800g
  4. 4. Ratio

    Express the first part of 5:6 as a fraction in simplest form

    Answer: 5⁄11
  5. 5. Statistics

    A die is rolled 78 times. How many times would you expect to get a 6?

    Answer: 13

Thursday 29 January 2026

Keystones #29 · Five questions · Open this day only

  1. 1. Number

    Simplify: 62 × 63

    Answer: 65
  2. 2. Algebra

    Solve: 9x - 6 = 3x + 42

    Answer: x = 8
  3. 3. Geometry

    Convert 7m to cm

    Answer: 700cm
  4. 4. Ratio

    Simplify: 6:6:12

    Answer: 1:1:2
  5. 5. Statistics

    A fair coin is flipped 94 times. How many heads would you expect?

    Answer: 47

Friday 30 January 2026

Keystones #30 · Five questions · Open this day only

  1. 1. Number

    Simplify: 84 × 85

    Answer: 89
  2. 2. Algebra

    Solve: 5x - 11 = 3x + -7

    Answer: x = 2
  3. 3. Geometry

    Convert 2.5kg to g

    Answer: 2500g
  4. 4. Ratio

    Simplify: 6:15:15

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

    A fair coin is flipped 152 times. How many heads would you expect?

    Answer: 76