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Cornerstone May 26 - Jun 1 25 questions
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Monday 26 May 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄5 + 1⁄5

    Answer: 4⁄5
  2. 2. Algebra

    Solve: 4x - 17 = 15

    Answer: x = 8
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 6cm. Give your answer to 2 decimal places

    Answer: 6.71cm
  4. 4. Ratio

    Divide 88 in the ratio 4:3:1

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

    Find the mean of: 16, 13, 8, 11

    Answer: 12

Tuesday 27 May 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄6 + 3⁄4

    Answer: 11⁄12
  2. 2. Algebra

    Solve: 7x + 11 = 53

    Answer: x = 6
  3. 3. Geometry

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

    Answer: 5cm
  4. 4. Ratio

    Divide 133 in the ratio 3:3:1

    Answer: 57, 57 and 19
  5. 5. Statistics

    Calculate the mean of: 40, 26, 17, 24, 26, 48. Give your answer to 2 decimal places

    Answer: 30.17

Wednesday 28 May 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄3 + 6⁄8

    Answer: 13⁄12
  2. 2. Algebra

    Solve: 7x + 15 = 36

    Answer: x = 3
  3. 3. Geometry

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

    Answer: 37cm
  4. 4. Ratio

    Divide 162 in the ratio 4:4:1

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

    Calculate the mean of: 13, 43, 5, 8, 28, 35, 45, 5

    Answer: 22.75

Thursday 29 May 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄6 + 1⁄6

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 7x - 11 = 94

    Answer: x = 15
  3. 3. Geometry

    Calculate the hypotenuse when a = 11cm and b = 6cm. Give your answer to 2 decimal places

    Answer: 12.53cm
  4. 4. Ratio

    Divide 80 in the ratio 2:1:1

    Answer: 40, 20 and 20
  5. 5. Statistics

    Find the mean of: 17, 2, 9, 14, 3

    Answer: 9

Friday 30 May 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄7 + 1⁄7

    Answer: 6⁄7
  2. 2. Algebra

    Solve: 4x - 12 = 16

    Answer: x = 7
  3. 3. Geometry

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

    Answer: 20cm
  4. 4. Ratio

    Divide 50 in the ratio 2:1:2

    Answer: 20, 10 and 20
  5. 5. Statistics

    Find the mean of: 11, 19, 6

    Answer: 12