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Bedrock Jan 1 - 7 25 questions
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Monday 11 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 84 + 91

    Answer: 84 + 91 = 175
  2. 2. Algebra

    Simplify: 5x + 8x

    Answer: 13x
  3. 3. Geometry

    Opposite = 13cm, hypotenuse = 15cm. Find the angle

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

    Simplify the ratio 35:10

    Answer: 7:2
  5. 5. Statistics

    What is the probability of rolling a 5 on a fair die?

    Answer: 1⁄6

Tuesday 12 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 16 + 36

    Answer: 16 + 36 = 52
  2. 2. Algebra

    Find the next term: 26, 33, 40, 47, ...

    Answer: 54
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 13.9cm. Find the angle

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

    Simplify the ratio 24:21

    Answer: 8:7
  5. 5. Statistics

    Find the mean of: 6, 13, 6

    Answer: 8.3333333333333

Wednesday 13 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4.1 + 8.7

    Answer: 4.1 + 8.7 = 12.8
  2. 2. Algebra

    Find the next term: 30, 33, 36, 39, ...

    Answer: 42
  3. 3. Geometry

    Opposite = 15cm, hypotenuse = 21.2cm. Find the angle

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

    Calculate 10% of 175

    Answer: 17.5
  5. 5. Statistics

    Find the range of: 37, 34, 30, 14, 21

    Answer: 23

Thursday 14 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 35 + 24

    Answer: 35 + 24 = 59
  2. 2. Algebra

    Find the next term: 20, 27, 34, 41, ...

    Answer: 48
  3. 3. Geometry

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

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

    Simplify the ratio 16:4

    Answer: 4:1
  5. 5. Statistics

    Find the mean of: 5, 17, 11

    Answer: 11

Friday 15 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄11 + 6⁄11

    Answer: 10⁄11
  2. 2. Algebra

    Simplify: 8x + 6x

    Answer: 14x
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 13.9cm. Find the angle

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

    Simplify the ratio 35:30

    Answer: 7:6
  5. 5. Statistics

    Find the range of: 13, 7, 6, 21, 7

    Answer: 15