Change pack
Cornerstone Sep 3 - 9 25 questions
PDF (questions) PDF (answers)

Monday 3 September 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄3 + 2⁄7

    Answer: 20⁄21
  2. 2. Algebra

    Solve: 6x - 13 = 35

    Answer: x = 8
  3. 3. Geometry

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

    Answer: 5cm
  4. 4. Ratio

    Divide 168 in the ratio 3:1:4

    Answer: 63, 21 and 84
  5. 5. Statistics

    Calculate the mean of: 45, 23, 15, 28, 32, 44, 11. Give your answer to 2 decimal places

    Answer: 28.29

Tuesday 4 September 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄4 + 1⁄3

    Answer: 7⁄12
  2. 2. Algebra

    Solve: 3x - 17 = 10

    Answer: x = 9
  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 30 in the ratio 2:1

    Answer: 20 and 10
  5. 5. Statistics

    Find the mean of: 11, 12, 10, 17, 20

    Answer: 14

Wednesday 5 September 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄6 + 2⁄6

    Answer: 2⁄3
  2. 2. Algebra

    Solve: 4x + 13 = 49

    Answer: x = 9
  3. 3. Geometry

    Calculate the hypotenuse when a = 6cm and b = 9cm. Give your answer to 2 decimal places

    Answer: 10.82cm
  4. 4. Ratio

    Share 45 in the ratio 1:4

    Answer: 9 and 36
  5. 5. Statistics

    Calculate the mean of: 12, 31, 37, 34, 10, 27, 34. Give your answer to 2 decimal places

    Answer: 26.43

Thursday 6 September 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄6 + 6⁄7

    Answer: 19⁄14
  2. 2. Algebra

    Solve: 5x + 5 = 55

    Answer: x = 10
  3. 3. Geometry

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

    Answer: 39cm
  4. 4. Ratio

    Share 54 in the ratio 2:1

    Answer: 36 and 18
  5. 5. Statistics

    Calculate the mean of: 48, 5, 42, 7, 42, 27

    Answer: 28.5

Friday 7 September 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄6 + 3⁄6

    Answer: 2⁄3
  2. 2. Algebra

    Solve: 5x - 17 = 18

    Answer: x = 7
  3. 3. Geometry

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

    Answer: 8.49cm
  4. 4. Ratio

    Share 77 in the ratio 3:4

    Answer: 33 and 44
  5. 5. Statistics

    Find the mean of: 22, 9, 5, 4

    Answer: 10