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Cornerstone Nov 9 - 15 25 questions
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Monday 9 November 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄6 + 4⁄6

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 3x + 14 = 29

    Answer: x = 5
  3. 3. Geometry

    Calculate the hypotenuse when a = 6cm and b = 7cm. Give your answer to 2 decimal places

    Answer: 9.22cm
  4. 4. Ratio

    Share 35 in the ratio 4:3

    Answer: 20 and 15
  5. 5. Statistics

    Find the mean of: 14, 14, 5

    Answer: 11

Tuesday 10 November 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄9 + 1⁄9

    Answer: 5⁄9
  2. 2. Algebra

    Solve: 6x + 5 = 35

    Answer: x = 5
  3. 3. Geometry

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

    Answer: 37cm
  4. 4. Ratio

    Share 75 in the ratio 2:3

    Answer: 30 and 45
  5. 5. Statistics

    Find the mean of: 14, 7, 22, 15, 12

    Answer: 14

Wednesday 11 November 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄4 + 1⁄6

    Answer: 2⁄3
  2. 2. Algebra

    Solve: 2x - 11 = -3

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 7cm and b = 5cm. Give your answer to 2 decimal places

    Answer: 8.6cm
  4. 4. Ratio

    Share 64 in the ratio 1:3

    Answer: 16 and 48
  5. 5. Statistics

    Calculate the mean of: 32, 40, 38, 49, 49, 5, 22, 37

    Answer: 34

Thursday 12 November 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄7 + 1⁄7

    Answer: 5⁄7
  2. 2. Algebra

    Solve: 6x - 11 = 43

    Answer: x = 9
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 6cm and 8cm

    Answer: 10cm
  4. 4. Ratio

    Share 75 in the ratio 4:1

    Answer: 60 and 15
  5. 5. Statistics

    Calculate the mean of: 22, 49, 22, 33, 22, 33. Give your answer to 2 decimal places

    Answer: 30.17

Friday 13 November 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄5 + 4⁄8

    Answer: 9⁄10
  2. 2. Algebra

    Solve: 2x + 9 = 17

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 7cm and b = 15cm. Give your answer to 2 decimal places

    Answer: 16.55cm
  4. 4. Ratio

    Share 80 in the ratio 1:4

    Answer: 16 and 64
  5. 5. Statistics

    Find the mean of: 19, 10, 16

    Answer: 15