Change pack
Cornerstone Jul 29 - Aug 4 25 questions
PDF (questions) PDF (answers)

Monday 29 July 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄7 + 1⁄7

    Answer: 6⁄7
  2. 2. Algebra

    Solve: 4x - 6 = 34

    Answer: x = 10
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 15cm and 36cm

    Answer: 39cm
  4. 4. Ratio

    Divide 72 in the ratio 2:3:1

    Answer: 24, 36 and 12
  5. 5. Statistics

    Find the mean of: 8, 4, 18, 4, 6

    Answer: 8

Tuesday 30 July 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄8 + 1⁄8

    Answer: 1⁄2
  2. 2. Algebra

    Solve: 6x - 19 = 47

    Answer: x = 11
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 15cm. Give your answer to 2 decimal places

    Answer: 15.3cm
  4. 4. Ratio

    Divide 115 in the ratio 1:2:2

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

    Find the mean of: 13, 10, 15, 13, 9

    Answer: 12

Wednesday 31 July 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄3 + 3⁄8

    Answer: 25⁄24
  2. 2. Algebra

    Solve: 3x + 9 = 21

    Answer: x = 4
  3. 3. Geometry

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

    Answer: 15cm
  4. 4. Ratio

    Divide 120 in the ratio 2:1:1

    Answer: 60, 30 and 30
  5. 5. Statistics

    Calculate the mean of: 6, 20, 46, 21, 42, 6, 31. Give your answer to 2 decimal places

    Answer: 24.57

Thursday 1 August 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄9 + 3⁄9

    Answer: 4⁄9
  2. 2. Algebra

    Solve: 7x - 5 = 79

    Answer: x = 12
  3. 3. Geometry

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

    Answer: 25cm
  4. 4. Ratio

    Share 25 in the ratio 1:4

    Answer: 5 and 20
  5. 5. Statistics

    Find the mean of: 19, 3, 8

    Answer: 10

Friday 2 August 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 5⁄7 + 3⁄5

    Answer: 46⁄35
  2. 2. Algebra

    Solve: 7x - 6 = 78

    Answer: x = 12
  3. 3. Geometry

    Calculate the hypotenuse when a = 8cm and b = 14cm. Give your answer to 2 decimal places

    Answer: 16.12cm
  4. 4. Ratio

    Share 108 in the ratio 2:1

    Answer: 72 and 36
  5. 5. Statistics

    Find the mean of: 14, 9, 10

    Answer: 11