Change pack
Cornerstone Feb 25 - Mar 3 25 questions
PDF (questions) PDF (answers)

Monday 25 February 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄10 + 7⁄10

    Answer: 9⁄10
  2. 2. Algebra

    Solve: 3x - 6 = 6

    Answer: x = 4
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 7cm and 24cm

    Answer: 25cm
  4. 4. Ratio

    Divide 138 in the ratio 2:3:1

    Answer: 46, 69 and 23
  5. 5. Statistics

    Calculate the mean of: 45, 27, 13, 27, 21, 19. Give your answer to 2 decimal places

    Answer: 25.33

Tuesday 26 February 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄7 + 3⁄5

    Answer: 26⁄35
  2. 2. Algebra

    Solve: 8x - 14 = 98

    Answer: x = 14
  3. 3. Geometry

    Calculate the hypotenuse when a = 11cm and b = 7cm. Give your answer to 2 decimal places

    Answer: 13.04cm
  4. 4. Ratio

    Divide 200 in the ratio 3:3:4

    Answer: 60, 60 and 80
  5. 5. Statistics

    Calculate the mean of: 40, 18, 50, 42, 10, 12, 20. Give your answer to 2 decimal places

    Answer: 27.43

Wednesday 27 February 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 7⁄9 + 1⁄9

    Answer: 8⁄9
  2. 2. Algebra

    Solve: 7x + 14 = 56

    Answer: x = 6
  3. 3. Geometry

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

    Answer: 5cm
  4. 4. Ratio

    Divide 112 in the ratio 1:2:1

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

    Find the mean of: 4, 11, 11, 16, 13

    Answer: 11

Thursday 28 February 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄8 + 4⁄8

    Answer: 7⁄8
  2. 2. Algebra

    Solve: 3x + 6 = 36

    Answer: x = 10
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 8cm and 15cm

    Answer: 17cm
  4. 4. Ratio

    Divide 130 in the ratio 1:2:2

    Answer: 26, 52 and 52
  5. 5. Statistics

    Find the mean of: 22, 11, 3

    Answer: 12

Friday 1 March 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 9⁄12 + 1⁄12

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 3x + 14 = 29

    Answer: x = 5
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 11cm. Give your answer to 2 decimal places

    Answer: 11.4cm
  4. 4. Ratio

    Divide 112 in the ratio 4:1:3

    Answer: 56, 14 and 42
  5. 5. Statistics

    Calculate the mean of: 26, 16, 44, 47, 40, 49, 13, 27

    Answer: 32.75