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Bedrock Jan 1 - 7 25 questions
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Monday 12 July 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 410 + 210

    Answer: 35
  2. 2. Algebra

    Find the next term: 7, 14, 21, 28, ...

    Answer: 35
  3. 3. Geometry

    Find the area of a circle with radius 7cm

    Answer: 153.94cm²
  4. 4. Ratio

    Simplify the ratio 15:24

    Answer: 5:8
  5. 5. Statistics

    Find the mean of: 7, 16, 18

    Answer: 13.666666666667

Tuesday 13 July 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3.7 + 5.1

    Answer: 3.7 + 5.1 = 8.8
  2. 2. Algebra

    Find the next term: 6, 8, 10, 12, ...

    Answer: 14
  3. 3. Geometry

    Find the area of a circle with radius 9cm

    Answer: 254.47cm²
  4. 4. Ratio

    Simplify the ratio 14:10

    Answer: 7:5
  5. 5. Statistics

    Find the mean of: 14, 5, 15, 13, 2

    Answer: 9.8

Wednesday 14 July 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 52 + 31

    Answer: 52 + 31 = 83
  2. 2. Algebra

    Simplify: 4x + 3x

    Answer: 7x
  3. 3. Geometry

    Opposite = 15cm, hypotenuse = 30cm. Find the angle

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

    Calculate 10% of 64

    Answer: 6.4
  5. 5. Statistics

    What is the probability of rolling a 5 on a fair die?

    Answer: 16

Thursday 15 July 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 29 + 42

    Answer: 29 + 42 = 71
  2. 2. Algebra

    Solve: x + 6 = 12

    Answer: x = 6
  3. 3. Geometry

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

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

    Simplify the ratio 16:32

    Answer: 1:2
  5. 5. Statistics

    Find the mean of: 2, 15, 4

    Answer: 7

Friday 16 July 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 26 + 95

    Answer: 26 + 95 = 121
  2. 2. Algebra

    Find the next term: 23, 29, 35, 41, ...

    Answer: 47
  3. 3. Geometry

    Opposite = 11cm, hypotenuse = 15.6cm. Find the angle

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

    Calculate 25% of 131

    Answer: 32.75
  5. 5. Statistics

    Find the mean of: 20, 11, 7, 7

    Answer: 11.25