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Cornerstone Apr 14 - 20 25 questions
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Monday 14 April 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄8 + 3⁄8

    Answer: 1⁄2
  2. 2. Algebra

    Solve: 6x + 14 = 74

    Answer: x = 10
  3. 3. Geometry

    Calculate the hypotenuse when a = 7cm and b = 8cm. Give your answer to 2 decimal places

    Answer: 10.63cm
  4. 4. Ratio

    Divide 225 in the ratio 4:2:3

    Answer: 100, 50 and 75
  5. 5. Statistics

    Find the mean of: 3, 19, 11

    Answer: 11

Tuesday 15 April 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄5 + 4⁄6

    Answer: 22⁄15
  2. 2. Algebra

    Solve: 2x - 17 = 13

    Answer: x = 15
  3. 3. Geometry

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

    Answer: 37cm
  4. 4. Ratio

    Divide 250 in the ratio 3:4:3

    Answer: 75, 100 and 75
  5. 5. Statistics

    Calculate the mean of: 11, 36, 30, 41, 19, 13

    Answer: 25

Wednesday 16 April 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄12 + 3⁄12

    Answer: 1⁄2
  2. 2. Algebra

    Solve: 2x - 6 = 14

    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

    Divide 55 in the ratio 1:3:1

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

    Calculate the mean of: 29, 23, 26, 6, 19, 14, 16, 50. Give your answer to 2 decimal places

    Answer: 22.88

Thursday 17 April 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄6 + 2⁄4

    Answer: 7⁄6
  2. 2. Algebra

    Solve: 5x + 13 = 28

    Answer: x = 3
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 9cm and 12cm

    Answer: 15cm
  4. 4. Ratio

    Divide 140 in the ratio 1:3:1

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

    Find the mean of: 20, 4, 2, 18

    Answer: 11

Friday 18 April 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 5⁄8 + 3⁄5

    Answer: 49⁄40
  2. 2. Algebra

    Solve: 4x + 4 = 48

    Answer: x = 11
  3. 3. Geometry

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

    Answer: 17cm
  4. 4. Ratio

    Divide 225 in the ratio 2:3:4

    Answer: 50, 75 and 100
  5. 5. Statistics

    Find the mean of: 4, 1, 11, 9, 10

    Answer: 7