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Cornerstone Apr 28 - May 4 25 questions
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Monday 28 April 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄5 + 1⁄4

    Answer: 9⁄20
  2. 2. Algebra

    Solve: 4x - 10 = 34

    Answer: x = 11
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 7cm and 24cm

    Answer: 25cm
  4. 4. Ratio

    Share 35 in the ratio 4:3

    Answer: 20 and 15
  5. 5. Statistics

    Calculate the mean of: 5, 47, 41, 30, 47, 8, 33. Give your answer to 2 decimal places

    Answer: 30.14

Tuesday 29 April 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄8 + 2⁄8

    Answer: 7⁄8
  2. 2. Algebra

    Solve: 6x + 12 = 72

    Answer: x = 10
  3. 3. Geometry

    Calculate the hypotenuse when a = 12cm and b = 8cm. Give your answer to 2 decimal places

    Answer: 14.42cm
  4. 4. Ratio

    Share 80 in the ratio 4:1

    Answer: 64 and 16
  5. 5. Statistics

    Find the mean of: 9, 9, 7, 15

    Answer: 10

Wednesday 30 April 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄6 + 4⁄6

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 6x + 6 = 30

    Answer: x = 4
  3. 3. Geometry

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

    Answer: 5cm
  4. 4. Ratio

    Share 70 in the ratio 4:3

    Answer: 40 and 30
  5. 5. Statistics

    Find the mean of: 17, 20, 9, 17, 7

    Answer: 14

Thursday 1 May 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄6 + 1⁄3

    Answer: 1⁄1
  2. 2. Algebra

    Solve: 3x - 6 = 24

    Answer: x = 10
  3. 3. Geometry

    Calculate the hypotenuse when a = 8cm and b = 5cm. Give your answer to 2 decimal places

    Answer: 9.43cm
  4. 4. Ratio

    Share 77 in the ratio 3:4

    Answer: 33 and 44
  5. 5. Statistics

    Find the mean of: 8, 2, 12, 18

    Answer: 10

Friday 2 May 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄6 + 2⁄6

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 3x - 18 = 12

    Answer: x = 10
  3. 3. Geometry

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

    Answer: 39cm
  4. 4. Ratio

    Share 65 in the ratio 4:1

    Answer: 52 and 13
  5. 5. Statistics

    Find the mean of: 4, 8, 5, 19

    Answer: 9