Change pack
Cornerstone Apr 12 - 18 25 questions
PDF (questions) PDF (answers)

Monday 12 April 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄11 + 2⁄11

    Answer: 7⁄11
  2. 2. Algebra

    Solve: 7x + 5 = 54

    Answer: x = 7
  3. 3. Geometry

    Calculate the hypotenuse when a = 5cm and b = 4cm. Give your answer to 2 decimal places

    Answer: 6.4cm
  4. 4. Ratio

    Divide 261 in the ratio 1:4:4

    Answer: 29, 116 and 116
  5. 5. Statistics

    Calculate the mean of: 19, 13, 33, 25, 33, 35, 41. Give your answer to 2 decimal places

    Answer: 28.43

Tuesday 13 April 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄4 + 6⁄7

    Answer: 19⁄14
  2. 2. Algebra

    Solve: 6x - 12 = 42

    Answer: x = 9
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 5cm and 12cm

    Answer: 13cm
  4. 4. Ratio

    Divide 198 in the ratio 4:2:3

    Answer: 88, 44 and 66
  5. 5. Statistics

    Find the mean of: 12, 25, 7, 15, 16

    Answer: 15

Wednesday 14 April 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄6 + 4⁄5

    Answer: 29⁄30
  2. 2. Algebra

    Solve: 6x - 11 = 49

    Answer: x = 10
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 15cm and 20cm

    Answer: 25cm
  4. 4. Ratio

    Share 80 in the ratio 3:2

    Answer: 48 and 32
  5. 5. Statistics

    Calculate the mean of: 33, 27, 36, 26, 14, 16. Give your answer to 2 decimal places

    Answer: 25.33

Thursday 15 April 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄6 + 1⁄6

    Answer: 1⁄2
  2. 2. Algebra

    Solve: 5x + 7 = 27

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 4cm and b = 6cm. Give your answer to 2 decimal places

    Answer: 7.21cm
  4. 4. Ratio

    Share 28 in the ratio 1:3

    Answer: 7 and 21
  5. 5. Statistics

    Find the mean of: 14, 19, 14, 20, 8

    Answer: 15

Friday 16 April 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄7 + 3⁄5

    Answer: 26⁄35
  2. 2. Algebra

    Solve: 4x + 9 = 29

    Answer: x = 5
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 12cm and 16cm

    Answer: 20cm
  4. 4. Ratio

    Share 70 in the ratio 3:4

    Answer: 30 and 40
  5. 5. Statistics

    Find the mean of: 5, 4, 1, 17, 3

    Answer: 6