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Bedrock Oct 12 - 18 25 questions
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Monday 12 October 2026

Keystones #285 · Five questions · Open this day only

  1. 1. Number

    Calculate: 58 × 100

    Answer: 5800
  2. 2. Algebra

    Find the first 4 terms of: 5n + 5

    Answer: 10, 15, 20, 25
  3. 3. Geometry

    Convert 2 litres to ml

    Answer: 2000ml
  4. 4. Ratio

    A and B share in ratio 2:1. If A gets 192, how much does B get?

    Answer: 96
  5. 5. Statistics

    Find the mean, median and range of: 19, 38, 21, 30, 11

    Answer: Mean = 23.8, Median = 21, Range = 27

Tuesday 13 October 2026

Keystones #286 · Five questions · Open this day only

  1. 1. Number

    Calculate: 12 × 100

    Answer: 1200
  2. 2. Algebra

    Find the first 4 terms of: 3n + 9

    Answer: 12, 15, 18, 21
  3. 3. Geometry

    Convert 8 litres to ml

    Answer: 8000ml
  4. 4. Ratio

    A and B share in ratio 3:1. If A gets 147, how much does B get?

    Answer: 49
  5. 5. Statistics

    Find the mean, median and range of: 26, 15, 19, 25, 33

    Answer: Mean = 23.6, Median = 25, Range = 18

Wednesday 14 October 2026

Keystones #287 · Five questions · Open this day only

  1. 1. Number

    Calculate: 75 × 10

    Answer: 750
  2. 2. Algebra

    Find the first 4 terms of: 5n + 4

    Answer: 9, 14, 19, 24
  3. 3. Geometry

    Convert 3 litres to ml

    Answer: 3000ml
  4. 4. Ratio

    A and B share in ratio 2:3. If A gets 88, how much does B get?

    Answer: 132
  5. 5. Statistics

    Find the mean, median and range of: 24, 25, 24, 40, 10

    Answer: Mean = 24.6, Median = 24, Range = 30

Thursday 15 October 2026

Keystones #288 · Five questions · Open this day only

  1. 1. Number

    Calculate: 88 × 1000

    Answer: 88000
  2. 2. Algebra

    Find the first 4 terms of: 6n + 1

    Answer: 7, 13, 19, 25
  3. 3. Geometry

    Convert 5 litres to ml

    Answer: 5000ml
  4. 4. Ratio

    A and B share in ratio 1:4. If A gets 47, how much does B get?

    Answer: 188
  5. 5. Statistics

    Find the mean, median and range of: 33, 34, 27, 19, 11

    Answer: Mean = 24.8, Median = 27, Range = 23

Friday 16 October 2026

Keystones #289 · Five questions · Open this day only

  1. 1. Number

    Calculate: 52 × 10

    Answer: 520
  2. 2. Algebra

    Find the first 4 terms of: 3n + 1

    Answer: 4, 7, 10, 13
  3. 3. Geometry

    Convert 9 litres to ml

    Answer: 9000ml
  4. 4. Ratio

    A and B share in ratio 2:1. If A gets 62, how much does B get?

    Answer: 31
  5. 5. Statistics

    Find the mean, median and range of: 30, 27, 30, 22, 14

    Answer: Mean = 24.6, Median = 27, Range = 16