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Bedrock Jan 1 - 7 25 questions
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Monday 27 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄9 + 2⁄9

    Answer: 2⁄3
  2. 2. Algebra

    Factorise: 6x + 8

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

    Opposite = 8cm, hypotenuse = 16cm. Find the angle

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

    Simplify the ratio 6:14

    Answer: 3:7
  5. 5. Statistics

    Find the mean of: 5, 14, 5, 17, 2

    Answer: 8.6

Tuesday 28 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 31 + 26

    Answer: 31 + 26 = 57
  2. 2. Algebra

    Find the next term: 23, 30, 37, 44, ...

    Answer: 51
  3. 3. Geometry

    Opposite = 6cm, hypotenuse = 6.9cm. Find the angle

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

    Simplify the ratio 8:28

    Answer: 2:7
  5. 5. Statistics

    Find the mean of: 5, 20, 15

    Answer: 13.333333333333

Wednesday 29 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 41 + 15

    Answer: 41 + 15 = 56
  2. 2. Algebra

    Find the next term: 17, 20, 23, 26, ...

    Answer: 29
  3. 3. Geometry

    Opposite = 8cm, hypotenuse = 11.3cm. Find the angle

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

    Simplify the ratio 28:8

    Answer: 7:2
  5. 5. Statistics

    Find the mean of: 7, 11, 11, 8

    Answer: 9.25

Thursday 30 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: -1 + 5

    Answer: 4
  2. 2. Algebra

    Find the next term: 20, 30, 40, 50, ...

    Answer: 60
  3. 3. Geometry

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

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

    Simplify the ratio 8:28

    Answer: 2:7
  5. 5. Statistics

    Find the mean of: 9, 17, 17

    Answer: 14.333333333333

Friday 1 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: -9 + 10

    Answer: 1
  2. 2. Algebra

    Simplify: 5x + 8x

    Answer: 13x
  3. 3. Geometry

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

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

    Simplify the ratio 16:12

    Answer: 4:3
  5. 5. Statistics

    Find the mean of: 14, 12, 3, 8

    Answer: 9.25