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Bedrock Jan 1 - 7 25 questions
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Monday 8 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 7⁄10 + 1⁄10

    Answer: 4⁄5
  2. 2. Algebra

    Find the next term: 29, 35, 41, 47, ...

    Answer: 53
  3. 3. Geometry

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

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

    Simplify the ratio 32:12

    Answer: 8:3
  5. 5. Statistics

    Find the mean of: 5, 12, 20, 13, 17

    Answer: 13.4

Tuesday 9 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 12 + 15

    Answer: 12 + 15 = 27
  2. 2. Algebra

    Find the next term: 8, 14, 20, 26, ...

    Answer: 32
  3. 3. Geometry

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

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

    In ratio 3:1, the difference between shares is 40. What are the shares?

    Answer: 60 and 20
  5. 5. Statistics

    Find the mean of: 20, 13, 6, 14

    Answer: 13.25

Wednesday 10 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 38 + 37

    Answer: 38 + 37 = 75
  2. 2. Algebra

    Find the next term: 12, 19, 26, 33, ...

    Answer: 40
  3. 3. Geometry

    Opposite = 6cm, hypotenuse = 12cm. Find the angle

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

    Simplify the ratio 6:9

    Answer: 2:3
  5. 5. Statistics

    Find the mean of: 12, 5, 10, 8, 17

    Answer: 10.4

Thursday 11 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 75 + 45

    Answer: 75 + 45 = 120
  2. 2. Algebra

    Find the next term: 29, 31, 33, 35, ...

    Answer: 37
  3. 3. Geometry

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

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

    Simplify the ratio 24:21

    Answer: 8:7
  5. 5. Statistics

    Find the median of: 7, 12, 20, 13, 20

    Answer: 13

Friday 12 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 43 + 19

    Answer: 43 + 19 = 62
  2. 2. Algebra

    Find the next term: 14, 24, 34, 44, ...

    Answer: 54
  3. 3. Geometry

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

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

    Simplify the ratio 9:21

    Answer: 3:7
  5. 5. Statistics

    Find the median of: 17, 14, 14, 19, 16

    Answer: 16