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Bedrock May 18 - 24 25 questions
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Monday 18 May 2026

Keystones #138 · Five questions · Open this day only

  1. 1. Number

    Calculate: 70 × 1000

    Answer: 70000
  2. 2. Algebra

    Find the first 4 terms of: 5n + 3

    Answer: 8, 13, 18, 23
  3. 3. Geometry

    Convert 3 litres to ml

    Answer: 3000ml
  4. 4. Ratio

    A and B share in ratio 2:1. If A gets 92, how much does B get?

    Answer: 46
  5. 5. Statistics

    Find the mean, median and range of: 13, 34, 36, 26, 16

    Answer: Mean = 25, Median = 26, Range = 23

Tuesday 19 May 2026

Keystones #139 · Five questions · Open this day only

  1. 1. Number

    Calculate: 41 × 1000

    Answer: 41000
  2. 2. Algebra

    Find the first 4 terms of: 5n + 9

    Answer: 14, 19, 24, 29
  3. 3. Geometry

    Convert 2 litres to ml

    Answer: 2000ml
  4. 4. Ratio

    A and B share in ratio 1:3. If A gets 22, how much does B get?

    Answer: 66
  5. 5. Statistics

    Find the mean, median and range of: 23, 10, 32, 31, 28

    Answer: Mean = 24.8, Median = 28, Range = 22

Wednesday 20 May 2026

Keystones #140 · Five questions · Open this day only

  1. 1. Number

    Calculate: 39 × 1000

    Answer: 39000
  2. 2. Algebra

    Find the first 4 terms of: 4n + 3

    Answer: 7, 11, 15, 19
  3. 3. Geometry

    Convert 5 litres to ml

    Answer: 5000ml
  4. 4. Ratio

    A and B share in ratio 3:1. If A gets 123, how much does B get?

    Answer: 41
  5. 5. Statistics

    Find the mean, median and range of: 30, 18, 17, 38, 29

    Answer: Mean = 26.4, Median = 29, Range = 21

Thursday 21 May 2026

Keystones #141 · Five questions · Open this day only

  1. 1. Number

    Calculate: 94 × 1000

    Answer: 94000
  2. 2. Algebra

    Find the first 4 terms of: 2n + 2

    Answer: 4, 6, 8, 10
  3. 3. Geometry

    Convert 10 litres to ml

    Answer: 10000ml
  4. 4. Ratio

    A and B share in ratio 2:3. If A gets 38, how much does B get?

    Answer: 57
  5. 5. Statistics

    Find the mean, median and range of: 23, 14, 37, 32, 24

    Answer: Mean = 26, Median = 24, Range = 23

Friday 22 May 2026

Keystones #142 · Five questions · Open this day only

  1. 1. Number

    Calculate: 37 × 1000

    Answer: 37000
  2. 2. Algebra

    Find the first 4 terms of: 6n + 4

    Answer: 10, 16, 22, 28
  3. 3. Geometry

    Convert 8 litres to ml

    Answer: 8000ml
  4. 4. Ratio

    A and B share in ratio 1:2. If A gets 12, how much does B get?

    Answer: 24
  5. 5. Statistics

    Find the mean, median and range of: 32, 21, 25, 29, 14

    Answer: Mean = 24.2, Median = 25, Range = 18