Change pack
Cornerstone Oct 24 - 30 25 questions
PDF (questions) PDF (answers)

Monday 24 October 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄7 + 2⁄7

    Answer: 6⁄7
  2. 2. Algebra

    Solve: 5x - 15 = 20

    Answer: x = 7
  3. 3. Geometry

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

    Answer: 41cm
  4. 4. Ratio

    Share 36 in the ratio 1:3

    Answer: 9 and 27
  5. 5. Statistics

    Calculate the mean of: 32, 20, 39, 17, 5, 29, 44. Give your answer to 2 decimal places

    Answer: 26.57

Tuesday 25 October 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄5 + 5⁄8

    Answer: 41⁄40
  2. 2. Algebra

    Solve: 5x + 5 = 25

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 5cm and b = 15cm. Give your answer to 2 decimal places

    Answer: 15.81cm
  4. 4. Ratio

    Share 56 in the ratio 3:1

    Answer: 42 and 14
  5. 5. Statistics

    Find the mean of: 5, 11, 10, 20, 19

    Answer: 13

Wednesday 26 October 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄9 + 3⁄9

    Answer: 8⁄9
  2. 2. Algebra

    Solve: 3x + 7 = 19

    Answer: x = 4
  3. 3. Geometry

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

    Answer: 15cm
  4. 4. Ratio

    Share 80 in the ratio 3:1

    Answer: 60 and 20
  5. 5. Statistics

    Find the mean of: 14, 17, 14

    Answer: 15

Thursday 27 October 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄6 + 2⁄8

    Answer: 11⁄12
  2. 2. Algebra

    Solve: 4x - 10 = 38

    Answer: x = 12
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 14cm. Give your answer to 2 decimal places

    Answer: 14.32cm
  4. 4. Ratio

    Share 28 in the ratio 3:1

    Answer: 21 and 7
  5. 5. Statistics

    Calculate the mean of: 5, 29, 48, 30, 48, 7, 41. Give your answer to 2 decimal places

    Answer: 29.71

Friday 28 October 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄5 + 6⁄7

    Answer: 58⁄35
  2. 2. Algebra

    Solve: 8x - 5 = 51

    Answer: x = 7
  3. 3. Geometry

    Calculate the hypotenuse when a = 9cm and b = 14cm. Give your answer to 2 decimal places

    Answer: 16.64cm
  4. 4. Ratio

    Share 48 in the ratio 2:1

    Answer: 32 and 16
  5. 5. Statistics

    Calculate the mean of: 16, 6, 33, 44, 13, 22. Give your answer to 2 decimal places

    Answer: 22.33