Change pack
Cornerstone Dec 26 - Jan 1 25 questions
PDF (questions) PDF (answers)

Monday 26 December 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 6⁄9 + 1⁄9

    Answer: 7⁄9
  2. 2. Algebra

    Solve: 3x - 20 = 16

    Answer: x = 12
  3. 3. Geometry

    Calculate the hypotenuse when a = 9cm and b = 7cm. Give your answer to 2 decimal places

    Answer: 11.4cm
  4. 4. Ratio

    Share 120 in the ratio 1:2

    Answer: 40 and 80
  5. 5. Statistics

    Find the mean of: 20, 5, 20, 5, 25

    Answer: 15

Tuesday 27 December 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄4 + 1⁄8

    Answer: 3⁄8
  2. 2. Algebra

    Solve: 2x + 11 = 19

    Answer: x = 4
  3. 3. Geometry

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

    Answer: 13cm
  4. 4. Ratio

    Share 25 in the ratio 1:4

    Answer: 5 and 20
  5. 5. Statistics

    Calculate the mean of: 5, 5, 31, 28, 19, 39, 40. Give your answer to 2 decimal places

    Answer: 23.86

Wednesday 28 December 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄6 + 7⁄8

    Answer: 37⁄24
  2. 2. Algebra

    Solve: 4x + 3 = 23

    Answer: x = 5
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 20cm and 21cm

    Answer: 29cm
  4. 4. Ratio

    Share 65 in the ratio 1:4

    Answer: 13 and 52
  5. 5. Statistics

    Calculate the mean of: 10, 48, 43, 22, 50, 45. Give your answer to 2 decimal places

    Answer: 36.33

Thursday 29 December 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 7⁄12 + 4⁄12

    Answer: 11⁄12
  2. 2. Algebra

    Solve: 5x - 8 = 22

    Answer: x = 6
  3. 3. Geometry

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

    Answer: 6.4cm
  4. 4. Ratio

    Share 51 in the ratio 1:2

    Answer: 17 and 34
  5. 5. Statistics

    Find the mean of: 3, 20, 4

    Answer: 9

Friday 30 December 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄6 + 3⁄6

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 4x - 11 = 25

    Answer: x = 9
  3. 3. Geometry

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

    Answer: 37cm
  4. 4. Ratio

    Share 56 in the ratio 3:1

    Answer: 42 and 14
  5. 5. Statistics

    Find the mean of: 10, 7, 16, 7

    Answer: 10