Change pack
Cornerstone Feb 17 - 23 25 questions
PDF (questions) PDF (answers)

Monday 17 February 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄11 + 1⁄11

    Answer: 5⁄11
  2. 2. Algebra

    Solve: 4x + 3 = 27

    Answer: x = 6
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 6cm and 8cm

    Answer: 10cm
  4. 4. Ratio

    Share 75 in the ratio 2:3

    Answer: 30 and 45
  5. 5. Statistics

    Calculate the mean of: 20, 50, 32, 32, 19, 44, 47. Give your answer to 2 decimal places

    Answer: 34.86

Tuesday 18 February 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄6 + 1⁄6

    Answer: 1⁄3
  2. 2. Algebra

    Solve: 5x + 3 = 23

    Answer: x = 4
  3. 3. Geometry

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

    Answer: 25cm
  4. 4. Ratio

    Share 96 in the ratio 2:1

    Answer: 64 and 32
  5. 5. Statistics

    Calculate the mean of: 10, 20, 35, 27, 46, 16, 25. Give your answer to 2 decimal places

    Answer: 25.57

Wednesday 19 February 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 7⁄8 + 1⁄5

    Answer: 43⁄40
  2. 2. Algebra

    Solve: 5x - 9 = 56

    Answer: x = 13
  3. 3. Geometry

    Calculate the hypotenuse when a = 8cm and b = 13cm. Give your answer to 2 decimal places

    Answer: 15.26cm
  4. 4. Ratio

    Share 60 in the ratio 2:1

    Answer: 40 and 20
  5. 5. Statistics

    Find the mean of: 8, 13, 12, 3

    Answer: 9

Thursday 20 February 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄11 + 3⁄11

    Answer: 8⁄11
  2. 2. Algebra

    Solve: 8x - 14 = 34

    Answer: x = 6
  3. 3. Geometry

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

    Answer: 25cm
  4. 4. Ratio

    Share 28 in the ratio 1:3

    Answer: 7 and 21
  5. 5. Statistics

    Calculate the mean of: 29, 46, 15, 25, 7, 23. Give your answer to 2 decimal places

    Answer: 24.17

Friday 21 February 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 5⁄6 + 4⁄8

    Answer: 4⁄3
  2. 2. Algebra

    Solve: 4x + 6 = 18

    Answer: x = 3
  3. 3. Geometry

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

    Answer: 9.9cm
  4. 4. Ratio

    Share 40 in the ratio 3:1

    Answer: 30 and 10
  5. 5. Statistics

    Find the mean of: 11, 18, 20, 6, 20

    Answer: 15