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Bedrock Jan 1 - 7 25 questions
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Monday 14 November 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 49 + 20

    Answer: 49 + 20 = 69
  2. 2. Algebra

    Simplify: 2x + 9x

    Answer: 11x
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 24cm. Find the angle

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

    In ratio 6:5, the difference between shares is 17. What are the shares?

    Answer: 102 and 85
  5. 5. Statistics

    Find the median of: 13, 20, 17, 19, 18

    Answer: 18

Tuesday 15 November 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 51 + 69

    Answer: 51 + 69 = 120
  2. 2. Algebra

    Find the next term: 29, 33, 37, 41, ...

    Answer: 45
  3. 3. Geometry

    Opposite = 15cm, hypotenuse = 30cm. Find the angle

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

    Simplify the ratio 25:30

    Answer: 5:6
  5. 5. Statistics

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

    Answer: 16

Wednesday 16 November 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 57 + 17

    Answer: 67
  2. 2. Algebra

    Factorise: 12x + 42

    Answer: 6(2x + 7)
  3. 3. Geometry

    Find the area of a right triangle with base 12cm and height 6cm

    Answer: 36cm²
  4. 4. Ratio

    Simplify the ratio 21:18

    Answer: 7:6
  5. 5. Statistics

    What is the probability of rolling a 2 on a fair die?

    Answer: 16

Thursday 17 November 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 88 + 29

    Answer: 88 + 29 = 117
  2. 2. Algebra

    Simplify: 3x + 7x

    Answer: 10x
  3. 3. Geometry

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

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

    Simplify the ratio 8:16

    Answer: 1:2
  5. 5. Statistics

    Find the mean of: 4, 17, 5, 15, 15

    Answer: 11.2

Friday 18 November 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 28 + 18

    Answer: 38
  2. 2. Algebra

    Find the next term: 29, 32, 35, 38, ...

    Answer: 41
  3. 3. Geometry

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

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

    Simplify the ratio 24:28

    Answer: 6:7
  5. 5. Statistics

    Find the mean of: 15, 17, 10, 16

    Answer: 14.5