Change pack
Bedrock Jul 30 - Aug 5 25 questions
PDF (questions) PDF (answers)

Monday 27 July 2026

Keystones #42 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄8 + 1⁄8

    Answer: 1⁄4
  2. 2. Algebra

    Find the next term: 24, 34, 44, 54, ...

    Answer: 64
  3. 3. Geometry

    Opposite = 11cm, hypotenuse = 22cm. Find the angle

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

    Simplify the ratio 18:15

    Answer: 6:5
  5. 5. Statistics

    What is the probability of getting heads when flipping a fair coin?

    Answer: 1⁄2

Tuesday 28 July 2026

Keystones #43 · Five questions · Open this day only

  1. 1. Number

    Calculate: 44 + 32

    Answer: 44 + 32 = 76
  2. 2. Algebra

    Find the next term: 25, 31, 37, 43, ...

    Answer: 49
  3. 3. Geometry

    Opposite = 11cm, hypotenuse = 12.7cm. Find the angle

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

    Simplify the ratio 16:20

    Answer: 4:5
  5. 5. Statistics

    Find the mean of: 8, 4, 15, 8

    Answer: 8.75

Wednesday 29 July 2026

Keystones #44 · Five questions · Open this day only

  1. 1. Number

    Calculate: 81 + 85

    Answer: 81 + 85 = 166
  2. 2. Algebra

    Find the next term: 18, 26, 34, 42, ...

    Answer: 50
  3. 3. Geometry

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

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

    Simplify the ratio 32:12

    Answer: 8:3
  5. 5. Statistics

    Find the mean of: 20, 3, 10, 5

    Answer: 9.5

Thursday 30 July 2026

Keystones #45 · Five questions · Open this day only

  1. 1. Number

    300000

    Answer: 3 × 105
  2. 2. Algebra

    Find the next term: 12, 17, 22, 27, ...

    Answer: 32
  3. 3. Geometry

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

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

    Simplify the ratio 30:25

    Answer: 6:5
  5. 5. Statistics

    Find the mean of: 20, 5, 8, 7, 9

    Answer: 9.8

Friday 31 July 2026

Keystones #46 · Five questions · Open this day only

  1. 1. Number

    4000

    Answer: 4 × 103
  2. 2. Algebra

    Simplify: 8x + 3x

    Answer: 11x
  3. 3. Geometry

    Find the area of a right triangle with base 4cm and height 5cm

    Answer: 10cm²
  4. 4. Ratio

    Simplify the ratio 24:6

    Answer: 4:1
  5. 5. Statistics

    Find the mean of: 14, 4, 2, 3

    Answer: 5.75