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Cornerstone Mar 24 - 30 25 questions
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Monday 24 March 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄5 + 6⁄7

    Answer: 44⁄35
  2. 2. Algebra

    Solve: 3x + 11 = 44

    Answer: x = 11
  3. 3. Geometry

    Calculate the hypotenuse when a = 4cm and b = 10cm. Give your answer to 2 decimal places

    Answer: 10.77cm
  4. 4. Ratio

    Share 45 in the ratio 1:2

    Answer: 15 and 30
  5. 5. Statistics

    Find the mean of: 14, 13, 15, 9, 19

    Answer: 14

Tuesday 25 March 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄6 + 2⁄6

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 2x - 9 = 15

    Answer: x = 12
  3. 3. Geometry

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

    Answer: 41cm
  4. 4. Ratio

    Share 65 in the ratio 4:1

    Answer: 52 and 13
  5. 5. Statistics

    Calculate the mean of: 17, 31, 38, 43, 13, 22. Give your answer to 2 decimal places

    Answer: 27.33

Wednesday 26 March 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄4 + 2⁄8

    Answer: 1⁄1
  2. 2. Algebra

    Solve: 5x - 5 = 35

    Answer: x = 8
  3. 3. Geometry

    Calculate the hypotenuse when a = 10cm and b = 15cm. Give your answer to 2 decimal places

    Answer: 18.03cm
  4. 4. Ratio

    Share 28 in the ratio 1:3

    Answer: 7 and 21
  5. 5. Statistics

    Calculate the mean of: 15, 37, 21, 29, 21, 46. Give your answer to 2 decimal places

    Answer: 28.17

Thursday 27 March 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄9 + 4⁄9

    Answer: 8⁄9
  2. 2. Algebra

    Solve: 6x + 7 = 43

    Answer: x = 6
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 20cm and 21cm

    Answer: 29cm
  4. 4. Ratio

    Share 30 in the ratio 2:1

    Answer: 20 and 10
  5. 5. Statistics

    Find the mean of: 18, 5, 4

    Answer: 9

Friday 28 March 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄12 + 8⁄12

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 5x + 11 = 36

    Answer: x = 5
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 9cm and 12cm

    Answer: 15cm
  4. 4. Ratio

    Share 64 in the ratio 1:3

    Answer: 16 and 48
  5. 5. Statistics

    Find the mean of: 16, 13, 4

    Answer: 11