Change pack
Cornerstone Feb 24 - Mar 1 25 questions
PDF (questions) PDF (answers)

Monday 24 February 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 9⁄11 + 1⁄11

    Answer: 10⁄11
  2. 2. Algebra

    Solve: 6x - 19 = 17

    Answer: x = 6
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 9cm and 40cm

    Answer: 41cm
  4. 4. Ratio

    Divide 150 in the ratio 2:2:1

    Answer: 60, 60 and 30
  5. 5. Statistics

    Calculate the mean of: 49, 12, 34, 13, 12, 12, 36, 25

    Answer: 24.1

Tuesday 25 February 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄6 + 2⁄3

    Answer: 1⁄1
  2. 2. Algebra

    Solve: 3x + 15 = 33

    Answer: x = 6
  3. 3. Geometry

    Calculate the hypotenuse when a = 10cm and b = 7cm

    Answer: 12.21cm
  4. 4. Ratio

    Divide 88 in the ratio 1:4:3

    Answer: 11, 44 and 33
  5. 5. Statistics

    Find the mean of: 8, 14, 16, 18

    Answer: 14

Wednesday 26 February 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄7 + 3⁄7

    Answer: 6⁄7
  2. 2. Algebra

    Solve: 2x + 5 = 27

    Answer: x = 11
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 12cm and 16cm

    Answer: 20cm
  4. 4. Ratio

    Divide 78 in the ratio 3:2:1

    Answer: 39, 26 and 13
  5. 5. Statistics

    Find the mean of: 3, 16, 10, 18, 13

    Answer: 12

Thursday 27 February 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄8 + 2⁄4

    Answer: 5⁄8
  2. 2. Algebra

    Solve: 2x - 19 = 3

    Answer: x = 11
  3. 3. Geometry

    Calculate the hypotenuse when a = 9cm and b = 5cm

    Answer: 10.3cm
  4. 4. Ratio

    Divide 232 in the ratio 3:1:4

    Answer: 87, 29 and 116
  5. 5. Statistics

    Calculate the mean of: 38, 22, 11, 32, 22, 35, 36, 29

    Answer: 28.1

Friday 28 February 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄3 + 4⁄7

    Answer: 26⁄21
  2. 2. Algebra

    Solve: 4x - 12 = 48

    Answer: x = 15
  3. 3. Geometry

    Calculate the hypotenuse when a = 4cm and b = 8cm

    Answer: 8.94cm
  4. 4. Ratio

    Divide 125 in the ratio 2:2:1

    Answer: 50, 50 and 25
  5. 5. Statistics

    Calculate the mean of: 9, 16, 48, 26, 13, 33, 46, 15

    Answer: 25.8