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Bedrock Jan 1 - 7 25 questions
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Monday 21 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 78 + 37

    Answer: 78 + 37 = 115
  2. 2. Algebra

    Simplify: 3x + 4x

    Answer: 7x
  3. 3. Geometry

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

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

    Simplify the ratio 12:8

    Answer: 3:2
  5. 5. Statistics

    Find the mean of: 12, 18, 20

    Answer: 16.666666666667

Tuesday 22 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄10 + 2⁄10

    Answer: 3⁄10
  2. 2. Algebra

    Expand: 5(x + 4)

    Answer: 5x + 20
  3. 3. Geometry

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

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

    Simplify the ratio 35:25

    Answer: 7:5
  5. 5. Statistics

    Find the mean of: 2, 4, 17, 20, 16

    Answer: 11.8

Wednesday 23 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: 19, 21, 23, 25, ...

    Answer: 27
  3. 3. Geometry

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

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

    In ratio 7:6, the difference between shares is 26. What are the shares?

    Answer: 182 and 156
  5. 5. Statistics

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

    Answer: 1⁄2

Thursday 24 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 58 + 28

    Answer: 58 + 28 = 86
  2. 2. Algebra

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

    Answer: 35
  3. 3. Geometry

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

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

    Calculate 50% of 31

    Answer: 15.5
  5. 5. Statistics

    Find the mean of: 16, 20, 2, 19

    Answer: 14.25

Friday 25 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄8 + 3⁄8

    Answer: 7⁄8
  2. 2. Algebra

    Simplify: 7x + 2x

    Answer: 9x
  3. 3. Geometry

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

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

    Simplify the ratio 10:8

    Answer: 5:4
  5. 5. Statistics

    Find the mean of: 5, 12, 17, 20

    Answer: 13.5