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Bedrock Jun 8 - 14 25 questions
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Monday 8 June 2026

Keystones #159 · Five questions · Open this day only

  1. 1. Number

    Simplify: 10⁄14

    Answer: 5⁄7
  2. 2. Algebra

    Find the next term: 18, 28, 38, 48, ...

    Answer: 58
  3. 3. Geometry

    What is the sum of interior angles in a quadrilateral?

    Answer: 360°
  4. 4. Ratio

    Share 54 in the ratio 1:2

    Answer: 18 and 36
  5. 5. Statistics

    Find the median of: 9, 17, 7, 14, 8

    Answer: 9

Tuesday 9 June 2026

Keystones #160 · Five questions · Open this day only

  1. 1. Number

    Simplify: 25⁄20

    Answer: 5⁄4
  2. 2. Algebra

    Find the next term: 14, 19, 24, 29, ...

    Answer: 34
  3. 3. Geometry

    What is the sum of interior angles in a triangle?

    Answer: 180°
  4. 4. Ratio

    Share 28 in the ratio 3:1

    Answer: 21 and 7
  5. 5. Statistics

    Find the median of: 18, 19, 5, 15, 11

    Answer: 15

Wednesday 10 June 2026

Keystones #161 · Five questions · Open this day only

  1. 1. Number

    Simplify: 10⁄30

    Answer: 2⁄6
  2. 2. Algebra

    Find the next term: 10, 12, 14, 16, ...

    Answer: 18
  3. 3. Geometry

    What is the sum of interior angles in a hexagon?

    Answer: 720°
  4. 4. Ratio

    Share 60 in the ratio 3:2

    Answer: 36 and 24
  5. 5. Statistics

    Find the median of: 17, 10, 10, 16, 11

    Answer: 11

Thursday 11 June 2026

Keystones #162 · Five questions · Open this day only

  1. 1. Number

    Simplify: 15⁄9

    Answer: 5⁄3
  2. 2. Algebra

    Find the next term: 7, 10, 13, 16, ...

    Answer: 19
  3. 3. Geometry

    Calculate one exterior angle of a regular 12-sided polygon

    Answer: 30°
  4. 4. Ratio

    Share 35 in the ratio 4:3

    Answer: 20 and 15
  5. 5. Statistics

    Find the median of: 18, 5, 9, 20, 18

    Answer: 18

Friday 12 June 2026

Keystones #163 · Five questions · Open this day only

  1. 1. Number

    Simplify: 4⁄8

    Answer: 2⁄4
  2. 2. Algebra

    Find the next term: 29, 32, 35, 38, ...

    Answer: 41
  3. 3. Geometry

    Calculate one exterior angle of a regular 6-sided polygon

    Answer: 60°
  4. 4. Ratio

    Share 84 in the ratio 1:2

    Answer: 28 and 56
  5. 5. Statistics

    Find the median of: 8, 12, 8, 18, 9

    Answer: 9