Change pack
Bedrock Jan 15 - 21 25 questions
PDF (questions) PDF (answers)

Monday 19 January 2026

Keystones #19 · Five questions · Open this day only

  1. 1. Number

    Calculate: 46 + 49

    Answer: 46 + 49 = 95
  2. 2. Algebra

    Find the next term: 18, 23, 28, 33, ...

    Answer: 38
  3. 3. Geometry

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

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

    Calculate 10% of 188

    Answer: 18.8
  5. 5. Statistics

    Find the range of: 26, 32, 27, 10, 10

    Answer: 22

Tuesday 20 January 2026

Keystones #20 · Five questions · Open this day only

  1. 1. Number

    Calculate: 49 + 64

    Answer: 49 + 64 = 113
  2. 2. Algebra

    Find the next term: 18, 27, 36, 45, ...

    Answer: 54
  3. 3. Geometry

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

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

    Calculate 10% of 41

    Answer: 4.1
  5. 5. Statistics

    Find the mean of: 5, 4, 15, 16, 6

    Answer: 9.2

Wednesday 21 January 2026

Keystones #21 · Five questions · Open this day only

  1. 1. Number

    30000

    Answer: 3 × 104
  2. 2. Algebra

    Find the next term: 28, 36, 44, 52, ...

    Answer: 60
  3. 3. Geometry

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

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

    Simplify the ratio 12:10

    Answer: 6:5
  5. 5. Statistics

    What is the probability of rolling a 6 on a fair die?

    Answer: 1⁄6

Thursday 22 January 2026

Keystones #22 · Five questions · Open this day only

  1. 1. Number

    Calculate: 43 + 75

    Answer: 43 + 75 = 118
  2. 2. Algebra

    Find the next term: 20, 30, 40, 50, ...

    Answer: 60
  3. 3. Geometry

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

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

    Simplify the ratio 8:32

    Answer: 1:4
  5. 5. Statistics

    Find the range of: 30, 22, 19, 43, 19

    Answer: 24

Friday 23 January 2026

Keystones #23 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄11 + 3⁄11

    Answer: 4⁄11
  2. 2. Algebra

    Solve: x + 9 = 29

    Answer: x = 20
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 13.9cm. Find the angle

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

    Simplify the ratio 24:28

    Answer: 6:7
  5. 5. Statistics

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

    Answer: 1⁄2