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Bedrock Jan 1 - 7 25 questions
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Monday 20 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 35 + 34

    Answer: 35 + 34 = 69
  2. 2. Algebra

    Find the next term: 11, 14, 17, 20, ...

    Answer: 23
  3. 3. Geometry

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

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

    Simplify the ratio 32:24

    Answer: 4:3
  5. 5. Statistics

    Find the mean of: 8, 14, 11, 8, 20

    Answer: 12.2

Tuesday 21 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4.6 + 3.4

    Answer: 4.6 + 3.4 = 8
  2. 2. Algebra

    Simplify: 3x + 4x

    Answer: 7x
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 14.cm. Find the angle

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

    Simplify the ratio 28:20

    Answer: 7:5
  5. 5. Statistics

    Find the mean of: 20, 11, 9

    Answer: 13.333333333333

Wednesday 22 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 27 + 62

    Answer: 27 + 62 = 89
  2. 2. Algebra

    Solve: x + 8 = 24

    Answer: x = 16
  3. 3. Geometry

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

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

    Simplify the ratio 18:12

    Answer: 3:2
  5. 5. Statistics

    Find the mean of: 8, 12, 10, 2

    Answer: 8

Thursday 23 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 8 + 9.3

    Answer: 8 + 9.3 = 17.3
  2. 2. Algebra

    Find the next term: 28, 33, 38, 43, ...

    Answer: 48
  3. 3. Geometry

    Find the area of a circle with radius 9cm

    Answer: 254.47cm²
  4. 4. Ratio

    Simplify the ratio 20:25

    Answer: 4:5
  5. 5. Statistics

    Find the mean of: 12, 18, 2, 14

    Answer: 11.5

Friday 24 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄12 + 5⁄12

    Answer: 5⁄6
  2. 2. Algebra

    Find the next term: 19, 27, 35, 43, ...

    Answer: 51
  3. 3. Geometry

    Opposite = 9cm, hypotenuse = 10.4cm. Find the angle

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

    Simplify the ratio 16:10

    Answer: 8:5
  5. 5. Statistics

    Find the mean of: 15, 15, 17, 5

    Answer: 13