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Cornerstone Apr 25 - May 1 25 questions
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Monday 25 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄8 + 1⁄8

    Answer: 1⁄2
  2. 2. Algebra

    Solve: 2x + 12 = 22

    Answer: x = 5
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 15cm and 36cm

    Answer: 39cm
  4. 4. Ratio

    Divide 110 in the ratio 2:1:2

    Answer: 44, 22 and 44
  5. 5. Statistics

    Find the mean of: 6, 2, 11, 15

    Answer: 8.5

Tuesday 26 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄8 + 1⁄4

    Answer: 5⁄8
  2. 2. Algebra

    Solve: 6x + 14 = 50

    Answer: x = 6
  3. 3. Geometry

    Calculate the hypotenuse when a = 7cm and b = 6cm

    Answer: 9.22cm
  4. 4. Ratio

    Divide 144 in the ratio 1:3:4

    Answer: 18, 54 and 72
  5. 5. Statistics

    Find the mean of: 6, 18, 8

    Answer: 10.666666666667

Wednesday 27 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄10 + 2⁄10

    Answer: 1⁄2
  2. 2. Algebra

    Solve: 4x - 6 = 14

    Answer: x = 5
  3. 3. Geometry

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

    Answer: 37cm
  4. 4. Ratio

    Divide 96 in the ratio 4:3:1

    Answer: 48, 36 and 12
  5. 5. Statistics

    Calculate the mean of: 10, 12, 39, 11, 41, 28

    Answer: 23.5

Thursday 28 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄6 + 1⁄6

    Answer: 1⁄2
  2. 2. Algebra

    Solve: 7x - 18 = 38

    Answer: x = 8
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 3cm and 4cm

    Answer: 5cm
  4. 4. Ratio

    Divide 240 in the ratio 2:1:1

    Answer: 120, 60 and 60
  5. 5. Statistics

    Calculate the mean of: 32, 37, 35, 36, 44, 31, 12, 9

    Answer: 29.5

Friday 29 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄3 + 1⁄4

    Answer: 7⁄12
  2. 2. Algebra

    Solve: 3x + 13 = 25

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 4cm and b = 13cm

    Answer: 13.6cm
  4. 4. Ratio

    Divide 216 in the ratio 3:2:3

    Answer: 81, 54 and 81
  5. 5. Statistics

    Find the mean of: 11, 14, 8, 2

    Answer: 8.75