Change pack
Cornerstone Dec 28 - Jan 3 25 questions
PDF (questions) PDF (answers)

Monday 28 December 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 7⁄10 + 1⁄10

    Answer: 4⁄5
  2. 2. Algebra

    Solve: 6x - 17 = 19

    Answer: x = 6
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 9cm. Give your answer to 2 decimal places

    Answer: 9.49cm
  4. 4. Ratio

    Divide 261 in the ratio 3:2:4

    Answer: 87, 58 and 116
  5. 5. Statistics

    Find the mean of: 12, 12, 13, 11, 2

    Answer: 10

Tuesday 29 December 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄6 + 2⁄3

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 7x + 7 = 28

    Answer: x = 3
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 6cm and 8cm

    Answer: 10cm
  4. 4. Ratio

    Divide 102 in the ratio 3:2:1

    Answer: 51, 34 and 17
  5. 5. Statistics

    Calculate the mean of: 50, 37, 41, 33, 24, 33, 27

    Answer: 35

Wednesday 30 December 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄6 + 5⁄7

    Answer: 29⁄21
  2. 2. Algebra

    Solve: 2x + 11 = 19

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 8cm. Give your answer to 2 decimal places

    Answer: 8.54cm
  4. 4. Ratio

    Divide 232 in the ratio 1:3:4

    Answer: 29, 87 and 116
  5. 5. Statistics

    Calculate the mean of: 18, 44, 33, 38, 26, 49, 9

    Answer: 31

Thursday 31 December 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄8 + 4⁄8

    Answer: 3⁄4
  2. 2. Algebra

    Solve: 2x - 12 = 12

    Answer: x = 12
  3. 3. Geometry

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

    Answer: 15cm
  4. 4. Ratio

    Divide 168 in the ratio 1:3:4

    Answer: 21, 63 and 84
  5. 5. Statistics

    Find the mean of: 10, 5, 10, 7

    Answer: 8

Friday 1 January 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 6⁄11 + 4⁄11

    Answer: 10⁄11
  2. 2. Algebra

    Solve: 6x + 14 = 50

    Answer: x = 6
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 12cm. Give your answer to 2 decimal places

    Answer: 12.37cm
  4. 4. Ratio

    Share 63 in the ratio 3:4

    Answer: 27 and 36
  5. 5. Statistics

    Find the mean of: 16, 9, 6, 5

    Answer: 9