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Bedrock Jan 1 - 7 25 questions
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Monday 28 February 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 10⁄12 + 1⁄12

    Answer: 11⁄12
  2. 2. Algebra

    Find the midpoint of (2, 5) and (11, 11)

    Answer: (6.5, 8)
  3. 3. Geometry

    Opposite = 11cm, hypotenuse = 22cm. Find the angle

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

    Simplify the ratio 24:8

    Answer: 3:1
  5. 5. Statistics

    Find the range of: 14, 25, 15, 21, 14

    Answer: 11

Tuesday 1 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄7 + 4⁄7

    Answer: 6⁄7
  2. 2. Algebra

    Solve: x + 7 = 20

    Answer: x = 13
  3. 3. Geometry

    Find the area of a circle with radius 9cm

    Answer: 254.47cm²
  4. 4. Ratio

    Simplify the ratio 6:9

    Answer: 2:3
  5. 5. Statistics

    Find the mean of: 9, 10, 6, 12

    Answer: 9.25

Wednesday 2 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄7 + 2⁄7

    Answer: 6⁄7
  2. 2. Algebra

    Find the next term: 12, 19, 26, 33, ...

    Answer: 40
  3. 3. Geometry

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

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

    Calculate 50% of 28

    Answer: 14
  5. 5. Statistics

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

    Answer: 1⁄6

Thursday 3 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 36 + 36

    Answer: 36 + 36 = 72
  2. 2. Algebra

    Find the next term: 22, 32, 42, 52, ...

    Answer: 62
  3. 3. Geometry

    Opposite = 9cm, hypotenuse = 12.7cm. Find the angle

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

    Calculate 10% of 85

    Answer: 8.5
  5. 5. Statistics

    Find the mean of: 16, 17, 16, 20, 12

    Answer: 16.2

Friday 4 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 24 + 10

    Answer: 24 + 10 = 34
  2. 2. Algebra

    Simplify: 7x + 3x

    Answer: 10x
  3. 3. Geometry

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

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

    Simplify the ratio 10:4

    Answer: 5:2
  5. 5. Statistics

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

    Answer: 1⁄2