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Bedrock Jan 1 - 7 25 questions
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Monday 28 June 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 24 × 22

    Answer: 26
  2. 2. Algebra

    Factorise: 15x + 10

    Answer: 5(3x + 2)
  3. 3. Geometry

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

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

    Simplify the ratio 15:30

    Answer: 1:2
  5. 5. Statistics

    Find the mean of: 3, 4, 16, 3

    Answer: 6.5

Tuesday 29 June 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 8.4 + 9

    Answer: 8.4 + 9 = 17.4
  2. 2. Algebra

    Find the next term: 9, 13, 17, 21, ...

    Answer: 25
  3. 3. Geometry

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

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

    Simplify the ratio 4:6

    Answer: 2:3
  5. 5. Statistics

    What is the probability of rolling a 4 on a fair die?

    Answer: 1⁄6

Wednesday 30 June 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 79 + 20

    Answer: 79 + 20 = 99
  2. 2. Algebra

    Simplify: 6x + 2x

    Answer: 8x
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 20cm. Find the angle

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

    Simplify the ratio 18:21

    Answer: 6:7
  5. 5. Statistics

    Find the mean of: 13, 14, 16, 3

    Answer: 11.5

Thursday 1 July 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 19 + 13

    Answer: 19 + 13 = 32
  2. 2. Algebra

    Find the next term: 17, 19, 21, 23, ...

    Answer: 25
  3. 3. Geometry

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

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

    Calculate 50% of 71

    Answer: 35.5
  5. 5. Statistics

    Find the mean of: 15, 15, 9

    Answer: 13

Friday 2 July 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 54 + 85

    Answer: 54 + 85 = 139
  2. 2. Algebra

    Factorise: 15x + 25

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

    Opposite = 8cm, hypotenuse = 9.2cm. Find the angle

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

    Simplify the ratio 9:6

    Answer: 3:2
  5. 5. Statistics

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

    Answer: 1⁄6