Change pack
Cornerstone Oct 16 - 22 25 questions
PDF (questions) PDF (answers)

Monday 16 October 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 5⁄7 + 2⁄5

    Answer: 39⁄35
  2. 2. Algebra

    Solve: 4x + 13 = 29

    Answer: x = 4
  3. 3. Geometry

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

    Answer: 13cm
  4. 4. Ratio

    Divide 140 in the ratio 1:3:1

    Answer: 28, 84 and 28
  5. 5. Statistics

    Calculate the mean of: 31, 19, 15, 17, 9, 10, 20, 29

    Answer: 18.75

Tuesday 17 October 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄6 + 3⁄6

    Answer: 2⁄3
  2. 2. Algebra

    Solve: 5x - 15 = 25

    Answer: x = 8
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 6cm. Give your answer to 2 decimal places

    Answer: 6.71cm
  4. 4. Ratio

    Divide 210 in the ratio 3:1:3

    Answer: 90, 30 and 90
  5. 5. Statistics

    Find the mean of: 2, 18, 3, 17

    Answer: 10

Wednesday 18 October 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄12 + 2⁄12

    Answer: 7⁄12
  2. 2. Algebra

    Solve: 7x - 12 = 72

    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

    Divide 243 in the ratio 1:4:4

    Answer: 27, 108 and 108
  5. 5. Statistics

    Find the mean of: 3, 15, 12, 20, 15

    Answer: 13

Thursday 19 October 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄5 + 1⁄3

    Answer: 14⁄15
  2. 2. Algebra

    Solve: 6x + 11 = 59

    Answer: x = 8
  3. 3. Geometry

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

    Answer: 25cm
  4. 4. Ratio

    Divide 192 in the ratio 3:1:4

    Answer: 72, 24 and 96
  5. 5. Statistics

    Calculate the mean of: 13, 21, 42, 5, 6, 5, 47. Give your answer to 2 decimal places

    Answer: 19.86

Friday 20 October 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄7 + 3⁄7

    Answer: 4⁄7
  2. 2. Algebra

    Solve: 6x + 15 = 63

    Answer: x = 8
  3. 3. Geometry

    Calculate the hypotenuse when a = 8cm and b = 6cm

    Answer: 10cm
  4. 4. Ratio

    Divide 56 in the ratio 1:2:1

    Answer: 14, 28 and 14
  5. 5. Statistics

    Find the mean of: 13, 15, 7, 8, 17

    Answer: 12