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Bedrock Jun 18 - 24 25 questions
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Monday 15 June 2026

Keystones #166 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄6 + 2⁄6

    Answer: 2⁄3
  2. 2. Algebra

    Simplify: 8x + 6x

    Answer: 14x
  3. 3. Geometry

    Opposite = 11cm, hypotenuse = 15.6cm. Find the angle

    Answer: 45° (approximately)
  4. 4. Ratio

    Simplify the ratio 16:12

    Answer: 4:3
  5. 5. Statistics

    Find the mean of: 4, 8, 12, 5, 19

    Answer: 9.6

Tuesday 16 June 2026

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    9000

    Answer: 9 × 103
  2. 2. Algebra

    Find the next term: 23, 29, 35, 41, ...

    Answer: 47
  3. 3. Geometry

    Opposite = 6cm, hypotenuse = 8.5cm. Find the angle

    Answer: 45° (approximately)
  4. 4. Ratio

    Calculate 25% of 105

    Answer: 26.25
  5. 5. Statistics

    Find the mean of: 19, 5, 9

    Answer: 11

Wednesday 17 June 2026

Keystones #2 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3 × 5

    Answer: 15
  2. 2. Algebra

    Simplify: 7x + 4x

    Answer: 11x
  3. 3. Geometry

    Find the area of a circle with radius 6cm

    Answer: 113.cm²
  4. 4. Ratio

    Simplify the ratio 32:28

    Answer: 8:7
  5. 5. Statistics

    Find the range of: 23, 31, 21, 24, 7

    Answer: 24

Thursday 18 June 2026

Keystones #3 · Five questions · Open this day only

  1. 1. Number

    Simplify: 64 × 62

    Answer: 66
  2. 2. Algebra

    Simplify: 5x + 6x

    Answer: 11x
  3. 3. Geometry

    Opposite = 5cm, hypotenuse = 7.cm. Find the angle

    Answer: 45° (approximately)
  4. 4. Ratio

    Simplify the ratio 12:16

    Answer: 3:4
  5. 5. Statistics

    Find the mean of: 10, 6, 20, 4

    Answer: 10

Friday 19 June 2026

Keystones #4 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄8 + 4⁄8

    Answer: 7⁄8
  2. 2. Algebra

    Find the next term: 23, 29, 35, 41, ...

    Answer: 47
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 20cm. Find the angle

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

    Simplify the ratio 15:10

    Answer: 3:2
  5. 5. Statistics

    Find the mean of: 17, 6, 12, 13, 14

    Answer: 12.4