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Bedrock Jul 2 - 8 25 questions
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Monday 29 June 2026

Keystones #14 · Five questions · Open this day only

  1. 1. Number

    Calculate: 40 + 63

    Answer: 40 + 63 = 103
  2. 2. Algebra

    Solve: x + 6 = 23

    Answer: x = 17
  3. 3. Geometry

    Opposite = 15cm, hypotenuse = 30cm. Find the angle

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

    Simplify the ratio 28:12

    Answer: 7:3
  5. 5. Statistics

    What is the probability of rolling a 5 on a fair die?

    Answer: 1⁄6

Tuesday 30 June 2026

Keystones #15 · Five questions · Open this day only

  1. 1. Number

    Calculate: 54 + 86

    Answer: 54 + 86 = 140
  2. 2. Algebra

    Find the next term: 17, 21, 25, 29, ...

    Answer: 33
  3. 3. Geometry

    Opposite = 13cm, hypotenuse = 15cm. Find the angle

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

    Simplify the ratio 28:16

    Answer: 7:4
  5. 5. Statistics

    Find the mean of: 3, 17, 6, 4

    Answer: 7.5

Wednesday 1 July 2026

Keystones #16 · Five questions · Open this day only

  1. 1. Number

    Calculate: 39 + 11

    Answer: 39 + 11 = 50
  2. 2. Algebra

    Simplify: 6x + 2x

    Answer: 8x
  3. 3. Geometry

    Opposite = 5cm, hypotenuse = 10cm. Find the angle

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

    Calculate 50% of 160

    Answer: 80
  5. 5. Statistics

    Find the mean of: 7, 17, 9

    Answer: 11

Thursday 2 July 2026

Keystones #17 · Five questions · Open this day only

  1. 1. Number

    List the first 5 multiples of 8

    Answer: 8, 16, 24, 32, 40
  2. 2. Algebra

    Simplify: 3x + 3x

    Answer: 6x
  3. 3. Geometry

    Opposite = 14cm, hypotenuse = 19.8cm. Find the angle

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

    Calculate 25% of 125

    Answer: 31.25
  5. 5. Statistics

    Find the mean of: 9, 15, 13, 14, 10

    Answer: 12.2

Friday 3 July 2026

Keystones #18 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄5 + 2⁄5

    Answer: 4⁄5
  2. 2. Algebra

    Find the next term: 20, 22, 24, 26, ...

    Answer: 28
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 14.cm. Find the angle

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

    Simplify the ratio 18:9

    Answer: 2:1
  5. 5. Statistics

    Find the mean of: 3, 7, 16

    Answer: 8.6666666666667