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Bedrock Jan 1 - 7 25 questions
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Monday 2 August 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 59 + 29

    Answer: 79
  2. 2. Algebra

    Find the next term: 29, 33, 37, 41, ...

    Answer: 45
  3. 3. Geometry

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

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

    Simplify the ratio 4:8

    Answer: 1:2
  5. 5. Statistics

    Find the mean of: 4, 13, 3

    Answer: 6.6666666666667

Tuesday 3 August 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    List the first 5 multiples of 3

    Answer: 3, 6, 9, 12, 15
  2. 2. Algebra

    Factorise: 30x + 24

    Answer: 6(5x + 4)
  3. 3. Geometry

    Find the area of a circle with radius 4cm

    Answer: 50.27cm²
  4. 4. Ratio

    Simplify the ratio 14:6

    Answer: 7:3
  5. 5. Statistics

    Find the median of: 9, 13, 6, 20, 7

    Answer: 9

Wednesday 4 August 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 98 + 97

    Answer: 98 + 97 = 195
  2. 2. Algebra

    Simplify: 9x + 4x

    Answer: 13x
  3. 3. Geometry

    Opposite = 15cm, hypotenuse = 17.3cm. Find the angle

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

    Simplify the ratio 20:15

    Answer: 4:3
  5. 5. Statistics

    Find the range of: 28, 7, 26, 17, 32

    Answer: 25

Thursday 5 August 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 55 × 54

    Answer: 59
  2. 2. Algebra

    Simplify: 5x + 8x

    Answer: 13x
  3. 3. Geometry

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

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

    Calculate 25% of 37

    Answer: 9.25
  5. 5. Statistics

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

    Answer: 12

Friday 6 August 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 40 + 76

    Answer: 40 + 76 = 116
  2. 2. Algebra

    Factorise: 30x + 48

    Answer: 6(5x + 8)
  3. 3. Geometry

    Find the area of a circle with radius 10cm

    Answer: 314.16cm²
  4. 4. Ratio

    Simplify the ratio 15:12

    Answer: 5:4
  5. 5. Statistics

    Find the mean of: 15, 15, 7

    Answer: 12.333333333333