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Bedrock Jan 1 - 7 25 questions
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Monday 11 December 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 90 + 61

    Answer: 90 + 61 = 151
  2. 2. Algebra

    Find the next term: 5, 14, 23, 32, ...

    Answer: 41
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 11.5cm. Find the angle

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

    Calculate 25% of 83

    Answer: 20.75
  5. 5. Statistics

    Find the median of: 7, 13, 16, 5, 13

    Answer: 13

Tuesday 12 December 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 27 + 35

    Answer: 27 + 35 = 62
  2. 2. Algebra

    Factorise: 35x + 30

    Answer: 5(7x + 6)
  3. 3. Geometry

    Opposite = 6cm, hypotenuse = 6.9cm. Find the angle

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

    Simplify the ratio 28:12

    Answer: 7:3
  5. 5. Statistics

    Find the mean of: 16, 16, 5, 17

    Answer: 13.5

Wednesday 13 December 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 49 + 71

    Answer: 49 + 71 = 120
  2. 2. Algebra

    Find the next term: 7, 16, 25, 34, ...

    Answer: 43
  3. 3. Geometry

    Find the area of a circle with radius 9cm

    Answer: 254.47cm²
  4. 4. Ratio

    In ratio 5:3, the difference between shares is 42. What are the shares?

    Answer: 105 and 63
  5. 5. Statistics

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

    Answer: 1⁄2

Thursday 14 December 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: -3 + 8

    Answer: 5
  2. 2. Algebra

    Solve: x + 3 = 22

    Answer: x = 19
  3. 3. Geometry

    Opposite = 7cm, hypotenuse = 8.cm. Find the angle

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

    Simplify the ratio 24:20

    Answer: 6:5
  5. 5. Statistics

    Find the mean of: 12, 13, 10, 8

    Answer: 10.75

Friday 15 December 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 46 + 39

    Answer: 46 + 39 = 85
  2. 2. Algebra

    Find the next term: 9, 11, 13, 15, ...

    Answer: 17
  3. 3. Geometry

    Find the area of a circle with radius 8cm

    Answer: 201.06cm²
  4. 4. Ratio

    Simplify the ratio 12:16

    Answer: 3:4
  5. 5. Statistics

    Find the mean of: 17, 18, 3, 7

    Answer: 11.25