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Cornerstone Sep 16 - 22 25 questions
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Monday 16 September 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄6 + 1⁄6

    Answer: 1⁄3
  2. 2. Algebra

    Solve: 6x + 5 = 59

    Answer: x = 9
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 6cm and 8cm

    Answer: 10cm
  4. 4. Ratio

    Share 95 in the ratio 3:2

    Answer: 57 and 38
  5. 5. Statistics

    Find the mean of: 14, 5, 6

    Answer: 8.3333333333333

Tuesday 17 September 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 5⁄6 + 4⁄8

    Answer: 4⁄3
  2. 2. Algebra

    Solve: 3x - 17 = 16

    Answer: x = 11
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 11cm

    Answer: 11.4cm
  4. 4. Ratio

    Share 35 in the ratio 2:3

    Answer: 14 and 21
  5. 5. Statistics

    Calculate the mean of: 16, 6, 10, 18, 49, 16

    Answer: 19.2

Wednesday 18 September 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 5⁄7 + 4⁄5

    Answer: 53⁄35
  2. 2. Algebra

    Solve: 6x - 13 = 47

    Answer: x = 10
  3. 3. Geometry

    Calculate the hypotenuse when a = 6cm and b = 8cm

    Answer: 10cm
  4. 4. Ratio

    Share 54 in the ratio 2:1

    Answer: 36 and 18
  5. 5. Statistics

    Calculate the mean of: 48, 6, 19, 5, 38, 40

    Answer: 26

Thursday 19 September 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄12 + 4⁄12

    Answer: 2⁄3
  2. 2. Algebra

    Solve: 5x + 6 = 36

    Answer: x = 6
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 12cm and 35cm

    Answer: 37cm
  4. 4. Ratio

    Share 80 in the ratio 3:2

    Answer: 48 and 32
  5. 5. Statistics

    Find the mean of: 2, 13, 13, 19

    Answer: 11.75

Friday 20 September 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄3 + 7⁄8

    Answer: 37⁄24
  2. 2. Algebra

    Solve: 4x + 7 = 35

    Answer: x = 7
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 13cm

    Answer: 13.34cm
  4. 4. Ratio

    Share 84 in the ratio 2:1

    Answer: 56 and 28
  5. 5. Statistics

    Calculate the mean of: 34, 37, 12, 22, 43, 37, 28, 26

    Answer: 29.9