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Bedrock Jan 1 - 7 25 questions
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Monday 4 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: -5 + 7

    Answer: 2
  2. 2. Algebra

    Factorise: 35x + 40

    Answer: 5(7x + 8)
  3. 3. Geometry

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

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

    Calculate 25% of 107

    Answer: 26.75
  5. 5. Statistics

    Find the median of: 16, 13, 20, 19, 11

    Answer: 16

Tuesday 5 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 13 + 20

    Answer: 13 + 20 = 33
  2. 2. Algebra

    Factorise: 30x + 12

    Answer: 6(5x + 2)
  3. 3. Geometry

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

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

    Calculate 50% of 87

    Answer: 43.5
  5. 5. Statistics

    Find the mean of: 5, 6, 11, 8

    Answer: 7.5

Wednesday 6 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 78 + 24

    Answer: 78 + 24 = 102
  2. 2. Algebra

    Simplify: 7x + 4x

    Answer: 11x
  3. 3. Geometry

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

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

    Calculate 50% of 159

    Answer: 79.5
  5. 5. Statistics

    What is the probability of getting heads when flipping a fair coin?

    Answer: 1⁄2

Thursday 7 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 22 + 20

    Answer: 22 + 20 = 42
  2. 2. Algebra

    Find the next term: 5, 12, 19, 26, ...

    Answer: 33
  3. 3. Geometry

    Opposite = 5cm, hypotenuse = 10cm. Find the angle

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

    Simplify the ratio 14:8

    Answer: 7:4
  5. 5. Statistics

    Find the mean of: 4, 6, 4, 20, 11

    Answer: 9

Friday 8 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄10 + 6⁄10

    Answer: 9⁄10
  2. 2. Algebra

    Simplify: 9x + 9x

    Answer: 18x
  3. 3. Geometry

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

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

    Simplify the ratio 6:10

    Answer: 3:5
  5. 5. Statistics

    Find the mean of: 10, 18, 11, 15

    Answer: 13.5