Change pack
Cornerstone Jun 22 - 28 25 questions
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Monday 22 June 2026

Keystones #173 · Five questions · Open this day only

  1. 1. Number

    Simplify: 54 × 54

    Answer: 58
  2. 2. Algebra

    Solve: 8x + 6 = 7x + 17

    Answer: x = 11
  3. 3. Geometry

    Convert 9km to m

    Answer: 9000m
  4. 4. Ratio

    In a ratio of 1:4, what fraction is the first part?

    Answer: 1⁄5
  5. 5. Statistics

    A fair coin is flipped 74 times. How many heads would you expect?

    Answer: 37

Tuesday 23 June 2026

Keystones #174 · Five questions · Open this day only

  1. 1. Number

    Simplify: x6 × x2

    Answer: x8
  2. 2. Algebra

    Solve: 10x - 11 = 7x + 13

    Answer: x = 8
  3. 3. Geometry

    Convert 4m to cm

    Answer: 400cm
  4. 4. Ratio

    Share 25 in the ratio 3:2

    Answer: 15 and 10
  5. 5. Statistics

    A die is rolled 90 times. How many times would you expect to get a 6?

    Answer: 15

Wednesday 24 June 2026

Keystones #175 · Five questions · Open this day only

  1. 1. Number

    Simplify: x4 × x3

    Answer: x7
  2. 2. Algebra

    Solve: 10x - 4 = 3x + 52

    Answer: x = 8
  3. 3. Geometry

    Convert 4 litres to ml

    Answer: 4000ml
  4. 4. Ratio

    Simplify: 10:10:6

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

    A fair coin is flipped 192 times. How many heads would you expect?

    Answer: 96

Thursday 25 June 2026

Keystones #176 · Five questions · Open this day only

  1. 1. Number

    Simplify: 64 × 64

    Answer: 68
  2. 2. Algebra

    Solve: 8x + 9 = 6x + 15

    Answer: x = 3
  3. 3. Geometry

    Convert 8752ml to litres

    Answer: 8.752 litres
  4. 4. Ratio

    Express the first part of 6:3 as a fraction in simplest form

    Answer: 2⁄3
  5. 5. Statistics

    A die is rolled 66 times. How many times would you expect to get a 6?

    Answer: 11

Friday 26 June 2026

Keystones #177 · Five questions · Open this day only

  1. 1. Number

    Simplify: x3 × x4

    Answer: x7
  2. 2. Algebra

    Solve: 6x + 9 = 5x + 14

    Answer: x = 5
  3. 3. Geometry

    Convert 6 litres to ml

    Answer: 6000ml
  4. 4. Ratio

    Divide 136 in the ratio 3:2:3

    Answer: 51, 34 and 51
  5. 5. Statistics

    A die is rolled 54 times. How many times would you expect to get a 6?

    Answer: 9