Change pack
Cornerstone Mar 29 - Apr 4 25 questions
PDF (questions) PDF (answers)

Monday 29 March 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄7 + 5⁄7

    Answer: 6⁄7
  2. 2. Algebra

    Solve: 2x + 12 = 28

    Answer: x = 8
  3. 3. Geometry

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

    Answer: 41cm
  4. 4. Ratio

    Divide 65 in the ratio 1:1:3

    Answer: 13, 13 and 39
  5. 5. Statistics

    Find the mean of: 4, 24, 17

    Answer: 15

Tuesday 30 March 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄6 + 3⁄6

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 7x + 3 = 87

    Answer: x = 12
  3. 3. Geometry

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

    Answer: 10.63cm
  4. 4. Ratio

    Divide 98 in the ratio 4:1:2

    Answer: 56, 14 and 28
  5. 5. Statistics

    Find the mean of: 2, 17, 14

    Answer: 11

Wednesday 31 March 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄8 + 1⁄6

    Answer: 2⁄3
  2. 2. Algebra

    Solve: 8x - 10 = 94

    Answer: x = 13
  3. 3. Geometry

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

    Answer: 15cm
  4. 4. Ratio

    Divide 115 in the ratio 3:1:1

    Answer: 69, 23 and 23
  5. 5. Statistics

    Calculate the mean of: 29, 27, 8, 50, 34, 39, 24, 6. Give your answer to 2 decimal places

    Answer: 27.13

Thursday 1 April 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄6 + 1⁄6

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 6x - 5 = 79

    Answer: x = 14
  3. 3. Geometry

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

    Answer: 5cm
  4. 4. Ratio

    Share 75 in the ratio 2:3

    Answer: 30 and 45
  5. 5. Statistics

    Calculate the mean of: 24, 39, 27, 44, 35, 17, 19. Give your answer to 2 decimal places

    Answer: 29.29

Friday 2 April 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄7 + 4⁄6

    Answer: 26⁄21
  2. 2. Algebra

    Solve: 6x - 13 = 29

    Answer: x = 7
  3. 3. Geometry

    Calculate the hypotenuse when a = 12cm and b = 13cm. Give your answer to 2 decimal places

    Answer: 17.69cm
  4. 4. Ratio

    Share 24 in the ratio 1:3

    Answer: 6 and 18
  5. 5. Statistics

    Calculate the mean of: 31, 44, 44, 42, 41, 19, 7. Give your answer to 2 decimal places

    Answer: 32.57