Change pack
Cornerstone Oct 14 - 20 25 questions
PDF (questions) PDF (answers)

Monday 14 October 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄10 + 2⁄10

    Answer: 2⁄5
  2. 2. Algebra

    Solve: 4x + 3 = 15

    Answer: x = 3
  3. 3. Geometry

    Calculate the hypotenuse when a = 10cm and b = 11cm. Give your answer to 2 decimal places

    Answer: 14.87cm
  4. 4. Ratio

    Share 133 in the ratio 4:3

    Answer: 76 and 57
  5. 5. Statistics

    Calculate the mean of: 16, 15, 26, 30, 48, 44, 6. Give your answer to 2 decimal places

    Answer: 26.43

Tuesday 15 October 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄5 + 3⁄7

    Answer: 43⁄35
  2. 2. Algebra

    Solve: 8x - 14 = 66

    Answer: x = 10
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 12cm and 35cm

    Answer: 37cm
  4. 4. Ratio

    Share 20 in the ratio 3:1

    Answer: 15 and 5
  5. 5. Statistics

    Find the mean of: 6, 7, 15, 19, 13

    Answer: 12

Wednesday 16 October 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 9⁄11 + 1⁄11

    Answer: 10⁄11
  2. 2. Algebra

    Solve: 7x - 10 = 25

    Answer: x = 5
  3. 3. Geometry

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

    Answer: 13.04cm
  4. 4. Ratio

    Share 63 in the ratio 3:4

    Answer: 27 and 36
  5. 5. Statistics

    Find the mean of: 9, 11, 20, 16

    Answer: 14

Thursday 17 October 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 7⁄8 + 6⁄7

    Answer: 97⁄56
  2. 2. Algebra

    Solve: 6x + 9 = 81

    Answer: x = 12
  3. 3. Geometry

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

    Answer: 25cm
  4. 4. Ratio

    Share 15 in the ratio 2:1

    Answer: 10 and 5
  5. 5. Statistics

    Calculate the mean of: 28, 42, 50, 44, 26, 33, 38. Give your answer to 2 decimal places

    Answer: 37.29

Friday 18 October 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄4 + 3⁄5

    Answer: 27⁄20
  2. 2. Algebra

    Solve: 4x + 11 = 55

    Answer: x = 11
  3. 3. Geometry

    Calculate the hypotenuse when a = 12cm and b = 5cm

    Answer: 13cm
  4. 4. Ratio

    Share 65 in the ratio 4:1

    Answer: 52 and 13
  5. 5. Statistics

    Calculate the mean of: 39, 9, 27, 20, 13, 18, 29. Give your answer to 2 decimal places

    Answer: 22.14