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Bedrock Aug 13 - 19 25 questions
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Monday 10 August 2026

Keystones #56 · Five questions · Open this day only

  1. 1. Number

    Calculate: 96 + 84

    Answer: 96 + 84 = 180
  2. 2. Algebra

    Find the next term: 12, 22, 32, 42, ...

    Answer: 52
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 24cm. Find the angle

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

    Simplify the ratio 16:8

    Answer: 2:1
  5. 5. Statistics

    What is the probability of rolling a 3 on a fair die?

    Answer: 1⁄6

Tuesday 11 August 2026

Keystones #57 · Five questions · Open this day only

  1. 1. Number

    Calculate: 26 + 23

    Answer: 26 + 23 = 49
  2. 2. Algebra

    Simplify: 4x + 4x

    Answer: 8x
  3. 3. Geometry

    Opposite = 15cm, hypotenuse = 17.3cm. Find the angle

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

    Simplify the ratio 40:25

    Answer: 8:5
  5. 5. Statistics

    Find the mean of: 2, 7, 7, 14

    Answer: 7.5

Wednesday 12 August 2026

Keystones #58 · Five questions · Open this day only

  1. 1. Number

    Calculate: 8 + (-4)

    Answer: 4
  2. 2. Algebra

    Find the next term: 22, 28, 34, 40, ...

    Answer: 46
  3. 3. Geometry

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

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

    Calculate 50% of 37

    Answer: 18.5
  5. 5. Statistics

    Find the mean of: 5, 15, 19

    Answer: 13

Thursday 13 August 2026

Keystones #59 · Five questions · Open this day only

  1. 1. Number

    Round 191 to the nearest 10

    Answer: 190
  2. 2. Algebra

    Solve: x + 15 = 35

    Answer: x = 20
  3. 3. Geometry

    Opposite = 14cm, hypotenuse = 28cm. Find the angle

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

    Simplify the ratio 15:35

    Answer: 3:7
  5. 5. Statistics

    Find the mean of: 11, 12, 7, 12, 4

    Answer: 9.2

Friday 14 August 2026

Keystones #60 · Five questions · Open this day only

  1. 1. Number

    Calculate: 30 + 35

    Answer: 30 + 35 = 65
  2. 2. Algebra

    Expand: 5(x + 2)

    Answer: 5x + 10
  3. 3. Geometry

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

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

    Simplify the ratio 15:6

    Answer: 5:2
  5. 5. Statistics

    Find the mean of: 15, 13, 11

    Answer: 13