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Bedrock Jan 1 - 7 25 questions
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Monday 14 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 911 + 111

    Answer: 1011
  2. 2. Algebra

    Factorise: 20x + 35

    Answer: 5(4x + 7)
  3. 3. Geometry

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

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

    Simplify the ratio 18:6

    Answer: 3:1
  5. 5. Statistics

    Find the mean of: 12, 18, 6, 3, 9

    Answer: 9.6

Tuesday 15 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 29 + 34

    Answer: 29 + 34 = 63
  2. 2. Algebra

    Find the midpoint of (4, 4) and (10, 16)

    Answer: (7, 10)
  3. 3. Geometry

    Find the area of a circle with radius 8cm

    Answer: 201.06cm²
  4. 4. Ratio

    Simplify the ratio 15:20

    Answer: 3:4
  5. 5. Statistics

    Find the mean of: 16, 17, 5, 8, 15

    Answer: 12.2

Wednesday 16 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 25 + 83

    Answer: 25 + 83 = 108
  2. 2. Algebra

    Expand: 6(x + 9)

    Answer: 6x + 54
  3. 3. Geometry

    Find the area of a circle with radius 6cm

    Answer: 113.cm²
  4. 4. Ratio

    Simplify the ratio 40:35

    Answer: 8:7
  5. 5. Statistics

    Find the mean of: 18, 9, 10, 3

    Answer: 10

Thursday 17 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 48 + 48

    Answer: 48 + 48 = 96
  2. 2. Algebra

    Factorise: 8x + 20

    Answer: 4(2x + 5)
  3. 3. Geometry

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

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

    Simplify the ratio 15:12

    Answer: 5:4
  5. 5. Statistics

    Find the median of: 7, 18, 20, 20, 12

    Answer: 18

Friday 18 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 46 + 25

    Answer: 46 + 25 = 71
  2. 2. Algebra

    Simplify: 9x + 9x

    Answer: 18x
  3. 3. Geometry

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

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

    Simplify the ratio 18:9

    Answer: 2:1
  5. 5. Statistics

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

    Answer: 12