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Cornerstone Feb 27 - Mar 4 25 questions
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Monday 27 February 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄3 + 1⁄6

    Answer: 1⁄2
  2. 2. Algebra

    Solve: 2x + 14 = 34

    Answer: x = 10
  3. 3. Geometry

    Calculate the hypotenuse when a = 5cm and b = 9cm. Give your answer to 2 decimal places

    Answer: 10.3cm
  4. 4. Ratio

    Divide 168 in the ratio 2:3:1

    Answer: 56, 84 and 28
  5. 5. Statistics

    Find the mean of: 4, 4, 7

    Answer: 5

Tuesday 28 February 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 5⁄7 + 1⁄4

    Answer: 27⁄28
  2. 2. Algebra

    Solve: 7x + 5 = 47

    Answer: x = 6
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 8cm and 15cm

    Answer: 17cm
  4. 4. Ratio

    Divide 98 in the ratio 3:2:2

    Answer: 42, 28 and 28
  5. 5. Statistics

    Find the mean of: 16, 18, 11

    Answer: 15

Wednesday 29 February 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 7⁄10 + 1⁄10

    Answer: 4⁄5
  2. 2. Algebra

    Solve: 5x - 11 = 59

    Answer: x = 14
  3. 3. Geometry

    Calculate the hypotenuse when a = 7cm and b = 11cm. Give your answer to 2 decimal places

    Answer: 13.04cm
  4. 4. Ratio

    Divide 196 in the ratio 2:2:3

    Answer: 56, 56 and 84
  5. 5. Statistics

    Calculate the mean of: 32, 39, 20, 50, 7, 10, 24

    Answer: 26

Thursday 1 March 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄8 + 3⁄6

    Answer: 3⁄4
  2. 2. Algebra

    Solve: 4x + 4 = 44

    Answer: x = 10
  3. 3. Geometry

    Calculate the hypotenuse when a = 10cm and b = 6cm. Give your answer to 2 decimal places

    Answer: 11.66cm
  4. 4. Ratio

    Divide 252 in the ratio 1:4:4

    Answer: 28, 112 and 112
  5. 5. Statistics

    Calculate the mean of: 34, 39, 38, 22, 34, 47, 27. Give your answer to 2 decimal places

    Answer: 34.43

Friday 2 March 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄10 + 2⁄10

    Answer: 1⁄2
  2. 2. Algebra

    Solve: 5x + 4 = 54

    Answer: x = 10
  3. 3. Geometry

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

    Answer: 5cm
  4. 4. Ratio

    Divide 110 in the ratio 2:1:2

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

    Calculate the mean of: 6, 29, 21, 39, 20, 29, 5. Give your answer to 2 decimal places

    Answer: 21.29