Change pack
Cornerstone Nov 21 - 27 25 questions
PDF (questions) PDF (answers)

Monday 21 November 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄6 + 2⁄6

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 3x - 6 = 12

    Answer: x = 6
  3. 3. Geometry

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

    Answer: 15cm
  4. 4. Ratio

    Share 70 in the ratio 1:4

    Answer: 14 and 56
  5. 5. Statistics

    Calculate the mean of: 34, 19, 36, 6, 41, 42, 20. Give your answer to 2 decimal places

    Answer: 28.29

Tuesday 22 November 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄6 + 5⁄8

    Answer: 23⁄24
  2. 2. Algebra

    Solve: 5x - 14 = 36

    Answer: x = 10
  3. 3. Geometry

    Calculate the hypotenuse when a = 6cm and b = 15cm. Give your answer to 2 decimal places

    Answer: 16.16cm
  4. 4. Ratio

    Share 30 in the ratio 1:4

    Answer: 6 and 24
  5. 5. Statistics

    Calculate the mean of: 9, 45, 20, 40, 29, 14. Give your answer to 2 decimal places

    Answer: 26.17

Wednesday 23 November 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄5 + 2⁄5

    Answer: 4⁄5
  2. 2. Algebra

    Solve: 4x + 11 = 47

    Answer: x = 9
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 12cm and 16cm

    Answer: 20cm
  4. 4. Ratio

    Share 30 in the ratio 2:1

    Answer: 20 and 10
  5. 5. Statistics

    Find the mean of: 12, 4, 23

    Answer: 13

Thursday 24 November 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄7 + 4⁄7

    Answer: 6⁄7
  2. 2. Algebra

    Solve: 3x + 13 = 49

    Answer: x = 12
  3. 3. Geometry

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

    Answer: 13cm
  4. 4. Ratio

    Divide 162 in the ratio 4:3:2

    Answer: 72, 54 and 36
  5. 5. Statistics

    Calculate the mean of: 43, 49, 15, 14, 21, 16. Give your answer to 2 decimal places

    Answer: 26.33

Friday 25 November 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄3 + 1⁄5

    Answer: 13⁄15
  2. 2. Algebra

    Solve: 8x - 16 = 32

    Answer: x = 6
  3. 3. Geometry

    Calculate the hypotenuse when a = 9cm and b = 15cm. Give your answer to 2 decimal places

    Answer: 17.49cm
  4. 4. Ratio

    Divide 112 in the ratio 3:1:4

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

    Find the mean of: 11, 6, 19

    Answer: 12