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Bedrock Jan 1 - 7 25 questions
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Monday 21 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    List the first 5 multiples of 5

    Answer: 5, 10, 15, 20, 25
  2. 2. Algebra

    Simplify: 5x + 6x

    Answer: 11x
  3. 3. Geometry

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

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

    Calculate 10% of 155

    Answer: 15.5
  5. 5. Statistics

    Find the median of: 13, 15, 13, 13, 5

    Answer: 13

Tuesday 22 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 15 + 15

    Answer: 25
  2. 2. Algebra

    Find the midpoint of (7, 5) and (16, 18)

    Answer: (11.5, 11.5)
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 20cm. Find the angle

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

    Simplify the ratio 30:35

    Answer: 6:7
  5. 5. Statistics

    Find the mean of: 14, 14, 4, 18, 18

    Answer: 13.6

Wednesday 23 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 46 + 32

    Answer: 46 + 32 = 78
  2. 2. Algebra

    Find the next term: 25, 33, 41, 49, ...

    Answer: 57
  3. 3. Geometry

    Find the area of a circle with radius 9cm

    Answer: 254.47cm²
  4. 4. Ratio

    Simplify the ratio 8:6

    Answer: 4:3
  5. 5. Statistics

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

    Answer: 16

Thursday 24 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 24 + 14

    Answer: 24 + 14 = 38
  2. 2. Algebra

    Simplify: 4x + 7x

    Answer: 11x
  3. 3. Geometry

    Opposite = 13cm, hypotenuse = 18.4cm. Find the angle

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

    Simplify the ratio 16:14

    Answer: 8:7
  5. 5. Statistics

    Find the mean of: 10, 4, 12

    Answer: 8.6666666666667

Friday 25 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5.8 + 9

    Answer: 5.8 + 9 = 14.8
  2. 2. Algebra

    Find the next term: 24, 27, 30, 33, ...

    Answer: 36
  3. 3. Geometry

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

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

    Simplify the ratio 30:35

    Answer: 6:7
  5. 5. Statistics

    Find the mean of: 7, 2, 13, 15, 14

    Answer: 10.2