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Cornerstone Nov 24 - 30 25 questions
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Monday 24 November 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄5 + 2⁄5

    Answer: 3⁄5
  2. 2. Algebra

    Solve: 3x - 19 = -1

    Answer: x = 6
  3. 3. Geometry

    Calculate the hypotenuse when a = 11cm and b = 15cm. Give your answer to 2 decimal places

    Answer: 18.6cm
  4. 4. Ratio

    Share 36 in the ratio 2:1

    Answer: 24 and 12
  5. 5. Statistics

    Find the mean of: 11, 21, 10

    Answer: 14

Tuesday 25 November 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄6 + 3⁄4

    Answer: 17⁄12
  2. 2. Algebra

    Solve: 5x + 7 = 67

    Answer: x = 12
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 15cm and 20cm

    Answer: 25cm
  4. 4. Ratio

    Share 55 in the ratio 3:2

    Answer: 33 and 22
  5. 5. Statistics

    Calculate the mean of: 32, 13, 46, 41, 39, 18, 7, 11. Give your answer to 2 decimal places

    Answer: 25.88

Wednesday 26 November 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 7⁄11 + 2⁄11

    Answer: 9⁄11
  2. 2. Algebra

    Solve: 3x + 10 = 43

    Answer: x = 11
  3. 3. Geometry

    Calculate the hypotenuse when a = 10cm and b = 12cm. Give your answer to 2 decimal places

    Answer: 15.62cm
  4. 4. Ratio

    Share 70 in the ratio 3:4

    Answer: 30 and 40
  5. 5. Statistics

    Calculate the mean of: 10, 5, 47, 34, 13, 41

    Answer: 25

Thursday 27 November 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄3 + 4⁄6

    Answer: 4⁄3
  2. 2. Algebra

    Solve: 6x - 5 = 31

    Answer: x = 6
  3. 3. Geometry

    Calculate the hypotenuse when a = 11cm and b = 5cm. Give your answer to 2 decimal places

    Answer: 12.08cm
  4. 4. Ratio

    Share 30 in the ratio 1:4

    Answer: 6 and 24
  5. 5. Statistics

    Find the mean of: 13, 3, 2

    Answer: 6

Friday 28 November 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄5 + 5⁄8

    Answer: 41⁄40
  2. 2. Algebra

    Solve: 6x - 10 = 44

    Answer: x = 9
  3. 3. Geometry

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

    Answer: 39cm
  4. 4. Ratio

    Share 25 in the ratio 4:1

    Answer: 20 and 5
  5. 5. Statistics

    Find the mean of: 16, 3, 23

    Answer: 14