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Bedrock Jul 30 - Aug 5 25 questions
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Monday 3 August 2026

Keystones #49 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄11 + 6⁄11

    Answer: 9⁄11
  2. 2. Algebra

    Factorise: 12x + 28

    Answer: 4(3x + 7)
  3. 3. Geometry

    Opposite = 8cm, hypotenuse = 9.2cm. Find the angle

    Answer: 60° (approximately)
  4. 4. Ratio

    Simplify the ratio 16:8

    Answer: 2:1
  5. 5. Statistics

    Find the mean of: 6, 18, 16, 3, 3

    Answer: 9.2

Tuesday 4 August 2026

Keystones #50 · Five questions · Open this day only

  1. 1. Number

    Calculate: 61 + 78

    Answer: 61 + 78 = 139
  2. 2. Algebra

    Find the next term: 10, 17, 24, 31, ...

    Answer: 38
  3. 3. Geometry

    Find the area of a circle with radius 3cm

    Answer: 28.27cm²
  4. 4. Ratio

    Simplify the ratio 35:25

    Answer: 7:5
  5. 5. Statistics

    Find the mean of: 4, 18, 9, 9, 10

    Answer: 10

Wednesday 5 August 2026

Keystones #51 · Five questions · Open this day only

  1. 1. Number

    Calculate: 32 + 19

    Answer: 32 + 19 = 51
  2. 2. Algebra

    Simplify: 8x + 4x

    Answer: 12x
  3. 3. Geometry

    Opposite = 13cm, hypotenuse = 26cm. Find the angle

    Answer: 30° (approximately)
  4. 4. Ratio

    Simplify the ratio 12:10

    Answer: 6:5
  5. 5. Statistics

    Find the mean of: 20, 8, 20

    Answer: 16

Thursday 6 August 2026

Keystones #52 · Five questions · Open this day only

  1. 1. Number

    Calculate: 8 × 12

    Answer: 8 × 12 = 96
  2. 2. Algebra

    Find the next term: 16, 20, 24, 28, ...

    Answer: 32
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 11.5cm. Find the angle

    Answer: 60° (approximately)
  4. 4. Ratio

    Simplify the ratio 40:20

    Answer: 2:1
  5. 5. Statistics

    Find the median of: 13, 15, 17, 9, 15

    Answer: 15

Friday 7 August 2026

Keystones #53 · Five questions · Open this day only

  1. 1. Number

    Calculate: 31 + 11

    Answer: 31 + 11 = 42
  2. 2. Algebra

    Factorise: 18x + 21

    Answer: 3(6x + 7)
  3. 3. Geometry

    Opposite = 13cm, hypotenuse = 26cm. Find the angle

    Answer: 30° (approximately)
  4. 4. Ratio

    Simplify the ratio 24:15

    Answer: 8:5
  5. 5. Statistics

    Find the mean of: 10, 17, 3

    Answer: 10