Change pack
Cornerstone Oct 29 - Nov 4 25 questions
PDF (questions) PDF (answers)

Monday 29 October 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄11 + 4⁄11

    Answer: 7⁄11
  2. 2. Algebra

    Solve: 6x - 19 = 35

    Answer: x = 9
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 14cm

    Answer: 14.32cm
  4. 4. Ratio

    Share 57 in the ratio 1:2

    Answer: 19 and 38
  5. 5. Statistics

    Find the mean of: 18, 3, 10, 16, 4

    Answer: 10.2

Tuesday 30 October 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 6⁄11 + 4⁄11

    Answer: 10⁄11
  2. 2. Algebra

    Solve: 5x - 16 = 59

    Answer: x = 15
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 8cm and 15cm

    Answer: 17cm
  4. 4. Ratio

    Share 25 in the ratio 1:4

    Answer: 5 and 20
  5. 5. Statistics

    Find the mean of: 10, 9, 4, 8

    Answer: 7.75

Wednesday 31 October 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄8 + 4⁄6

    Answer: 19⁄24
  2. 2. Algebra

    Solve: 7x + 7 = 49

    Answer: x = 6
  3. 3. Geometry

    Calculate the hypotenuse when a = 9cm and b = 10cm

    Answer: 13.45cm
  4. 4. Ratio

    Share 90 in the ratio 2:3

    Answer: 36 and 54
  5. 5. Statistics

    Calculate the mean of: 31, 17, 27, 39, 26, 24, 35, 44

    Answer: 30.4

Thursday 1 November 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄6 + 6⁄7

    Answer: 43⁄42
  2. 2. Algebra

    Solve: 3x + 13 = 49

    Answer: x = 12
  3. 3. Geometry

    Calculate the hypotenuse when a = 5cm and b = 9cm

    Answer: 10.3cm
  4. 4. Ratio

    Share 140 in the ratio 3:4

    Answer: 60 and 80
  5. 5. Statistics

    Find the mean of: 12, 8, 7

    Answer: 9

Friday 2 November 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄8 + 2⁄8

    Answer: 3⁄8
  2. 2. Algebra

    Solve: 6x + 3 = 27

    Answer: x = 4
  3. 3. Geometry

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

    Answer: 39cm
  4. 4. Ratio

    Share 42 in the ratio 2:1

    Answer: 28 and 14
  5. 5. Statistics

    Find the mean of: 20, 4, 3, 17

    Answer: 11