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Cornerstone May 2 - 8 25 questions
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Monday 2 May 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄8 + 3⁄8

    Answer: 3⁄4
  2. 2. Algebra

    Solve: 4x - 17 = 15

    Answer: x = 8
  3. 3. Geometry

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

    Answer: 7.07cm
  4. 4. Ratio

    Divide 116 in the ratio 1:2:1

    Answer: 29, 58 and 29
  5. 5. Statistics

    Calculate the mean of: 50, 44, 8, 17, 8, 8, 15. Give your answer to 2 decimal places

    Answer: 21.43

Tuesday 3 May 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄6 + 2⁄4

    Answer: 7⁄6
  2. 2. Algebra

    Solve: 2x + 15 = 37

    Answer: x = 11
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 9cm and 40cm

    Answer: 41cm
  4. 4. Ratio

    Divide 120 in the ratio 1:1:2

    Answer: 30, 30 and 60
  5. 5. Statistics

    Find the mean of: 22, 6, 17

    Answer: 15

Wednesday 4 May 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄8 + 1⁄6

    Answer: 13⁄24
  2. 2. Algebra

    Solve: 5x + 5 = 60

    Answer: x = 11
  3. 3. Geometry

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

    Answer: 15cm
  4. 4. Ratio

    Share 27 in the ratio 1:2

    Answer: 9 and 18
  5. 5. Statistics

    Calculate the mean of: 17, 32, 21, 38, 5, 22

    Answer: 22.5

Thursday 5 May 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄9 + 3⁄9

    Answer: 8⁄9
  2. 2. Algebra

    Solve: 6x - 8 = 40

    Answer: x = 8
  3. 3. Geometry

    Calculate the hypotenuse when a = 9cm and b = 11cm. Give your answer to 2 decimal places

    Answer: 14.21cm
  4. 4. Ratio

    Share 48 in the ratio 3:1

    Answer: 36 and 12
  5. 5. Statistics

    Find the mean of: 11, 6, 19, 4

    Answer: 10

Friday 6 May 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄5 + 6⁄7

    Answer: 58⁄35
  2. 2. Algebra

    Solve: 8x - 17 = 55

    Answer: x = 9
  3. 3. Geometry

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

    Answer: 39cm
  4. 4. Ratio

    Share 56 in the ratio 4:3

    Answer: 32 and 24
  5. 5. Statistics

    Find the mean of: 20, 10, 2, 13, 15

    Answer: 12