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Bedrock Jan 1 - 7 25 questions
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Monday 31 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 38 + 54

    Answer: 38 + 54 = 92
  2. 2. Algebra

    Find the next term: 5, 7, 9, 11, ...

    Answer: 13
  3. 3. Geometry

    Opposite = 14cm, hypotenuse = 16.2cm. Find the angle

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

    Simplify the ratio 8:10

    Answer: 4:5
  5. 5. Statistics

    Find the mean of: 10, 7, 12, 7

    Answer: 9

Tuesday 1 November 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 27 + 56

    Answer: 27 + 56 = 83
  2. 2. Algebra

    Find the next term: 14, 21, 28, 35, ...

    Answer: 42
  3. 3. Geometry

    Opposite = 8cm, hypotenuse = 16cm. Find the angle

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

    Simplify the ratio 20:25

    Answer: 4:5
  5. 5. Statistics

    What is the probability of rolling a 3 on a fair die?

    Answer: 1⁄6

Wednesday 2 November 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 25 + 13

    Answer: 25 + 13 = 38
  2. 2. Algebra

    Find the next term: 21, 29, 37, 45, ...

    Answer: 53
  3. 3. Geometry

    Opposite = 9cm, hypotenuse = 18cm. Find the angle

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

    Simplify the ratio 6:12

    Answer: 1:2
  5. 5. Statistics

    Find the range of: 31, 16, 28, 21, 16

    Answer: 15

Thursday 3 November 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 6⁄9 + 2⁄9

    Answer: 8⁄9
  2. 2. Algebra

    Find the next term: 26, 29, 32, 35, ...

    Answer: 38
  3. 3. Geometry

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

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

    Calculate 10% of 135

    Answer: 13.5
  5. 5. Statistics

    Find the mean of: 15, 16, 16, 3, 7

    Answer: 11.4

Friday 4 November 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 62 + 86

    Answer: 62 + 86 = 148
  2. 2. Algebra

    Find the next term: 18, 22, 26, 30, ...

    Answer: 34
  3. 3. Geometry

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

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

    Simplify the ratio 12:16

    Answer: 3:4
  5. 5. Statistics

    Find the mean of: 10, 12, 12, 17, 2

    Answer: 10.6