Change pack
Bedrock Mar 26 - Apr 1 25 questions
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Monday 23 March 2026

Keystones #82 · Five questions · Open this day only

  1. 1. Number

    Calculate: 13 + 23

    Answer: 13 + 23 = 36
  2. 2. Algebra

    Simplify: 7x + 6x

    Answer: 13x
  3. 3. Geometry

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

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

    Calculate 10% of 101

    Answer: 10.1
  5. 5. Statistics

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

    Answer: 1⁄2

Tuesday 24 March 2026

Keystones #83 · Five questions · Open this day only

  1. 1. Number

    Calculate: 44 + 22

    Answer: 44 + 22 = 66
  2. 2. Algebra

    Find the next term: 27, 31, 35, 39, ...

    Answer: 43
  3. 3. Geometry

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

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

    Simplify the ratio 12:14

    Answer: 6:7
  5. 5. Statistics

    Find the mean of: 12, 8, 11, 18, 3

    Answer: 10.4

Wednesday 25 March 2026

Keystones #84 · Five questions · Open this day only

  1. 1. Number

    Calculate: 71 + 45

    Answer: 71 + 45 = 116
  2. 2. Algebra

    Simplify: 5x + 8x

    Answer: 13x
  3. 3. Geometry

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

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

    Simplify the ratio 6:10

    Answer: 3:5
  5. 5. Statistics

    Find the mean of: 20, 19, 13, 12

    Answer: 16

Thursday 26 March 2026

Keystones #85 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1.6 + 2.9

    Answer: 1.6 + 2.9 = 4.5
  2. 2. Algebra

    Factorise: 16x + 20

    Answer: 4(4x + 5)
  3. 3. Geometry

    Opposite = 8cm, hypotenuse = 9.2cm. Find the angle

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

    Simplify the ratio 12:16

    Answer: 3:4
  5. 5. Statistics

    What is the probability of rolling a 1 on a fair die?

    Answer: 1⁄6

Friday 27 March 2026

Keystones #86 · Five questions · Open this day only

  1. 1. Number

    Calculate: 96 + 79

    Answer: 96 + 79 = 175
  2. 2. Algebra

    Simplify: 5x + 3x

    Answer: 8x
  3. 3. Geometry

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

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

    Simplify the ratio 9:18

    Answer: 1:2
  5. 5. Statistics

    Find the median of: 6, 16, 16, 7, 19

    Answer: 16