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Bedrock Mar 2 - 8 25 questions
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Monday 2 March 2026

Keystones #61 · Five questions · Open this day only

  1. 1. Number

    Simplify: 16⁄20

    Answer: 4⁄5
  2. 2. Algebra

    Find the next term: 28, 33, 38, 43, ...

    Answer: 48
  3. 3. Geometry

    What is the sum of interior angles in a pentagon?

    Answer: 540°
  4. 4. Ratio

    Share 60 in the ratio 4:1

    Answer: 48 and 12
  5. 5. Statistics

    Find the median of: 8, 7, 18, 19, 6

    Answer: 8

Tuesday 3 March 2026

Keystones #62 · Five questions · Open this day only

  1. 1. Number

    Simplify: 8⁄32

    Answer: 2⁄8
  2. 2. Algebra

    Find the next term: 9, 16, 23, 30, ...

    Answer: 37
  3. 3. Geometry

    Calculate one exterior angle of a regular 12-sided polygon

    Answer: 30°
  4. 4. Ratio

    Share 32 in the ratio 3:1

    Answer: 24 and 8
  5. 5. Statistics

    Find the median of: 17, 12, 18, 18, 9

    Answer: 17

Wednesday 4 March 2026

Keystones #63 · Five questions · Open this day only

  1. 1. Number

    Simplify: 12⁄10

    Answer: 6⁄5
  2. 2. Algebra

    Find the next term: 21, 28, 35, 42, ...

    Answer: 49
  3. 3. Geometry

    What is the sum of interior angles in a quadrilateral?

    Answer: 360°
  4. 4. Ratio

    Share 77 in the ratio 4:3

    Answer: 44 and 33
  5. 5. Statistics

    Find the median of: 16, 9, 17, 16, 6

    Answer: 16

Thursday 5 March 2026

Keystones #64 · Five questions · Open this day only

  1. 1. Number

    Simplify: 28⁄28

    Answer: 7⁄7
  2. 2. Algebra

    Find the next term: 6, 16, 26, 36, ...

    Answer: 46
  3. 3. Geometry

    Calculate one exterior angle of a regular 6-sided polygon

    Answer: 60°
  4. 4. Ratio

    Share 64 in the ratio 3:1

    Answer: 48 and 16
  5. 5. Statistics

    Find the median of: 5, 9, 20, 11, 7

    Answer: 9

Friday 6 March 2026

Keystones #65 · Five questions · Open this day only

  1. 1. Number

    Simplify: 4⁄10

    Answer: 2⁄5
  2. 2. Algebra

    Find the next term: 21, 31, 41, 51, ...

    Answer: 61
  3. 3. Geometry

    Calculate one exterior angle of a regular 10-sided polygon

    Answer: 36°
  4. 4. Ratio

    Share 70 in the ratio 3:2

    Answer: 42 and 28
  5. 5. Statistics

    Find the median of: 18, 19, 13, 6, 18

    Answer: 18