Change pack
Cornerstone Jul 8 - 14 25 questions
PDF (questions) PDF (answers)

Monday 8 July 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 6⁄8 + 1⁄8

    Answer: 7⁄8
  2. 2. Algebra

    Solve: 2x + 15 = 35

    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

    Divide 180 in the ratio 4:4:1

    Answer: 80, 80 and 20
  5. 5. Statistics

    Find the mean of: 15, 10, 14

    Answer: 13

Tuesday 9 July 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄4 + 4⁄6

    Answer: 17⁄12
  2. 2. Algebra

    Solve: 4x - 20 = 24

    Answer: x = 11
  3. 3. Geometry

    Calculate the hypotenuse when a = 4cm and b = 10cm. Give your answer to 2 decimal places

    Answer: 10.77cm
  4. 4. Ratio

    Divide 152 in the ratio 1:1:2

    Answer: 38, 38 and 76
  5. 5. Statistics

    Calculate the mean of: 33, 16, 26, 35, 28, 12, 19, 49

    Answer: 27.25

Wednesday 10 July 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄4 + 2⁄5

    Answer: 9⁄10
  2. 2. Algebra

    Solve: 7x - 17 = 53

    Answer: x = 10
  3. 3. Geometry

    Calculate the hypotenuse when a = 8cm and b = 15cm

    Answer: 17cm
  4. 4. Ratio

    Divide 196 in the ratio 1:3:3

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

    Calculate the mean of: 11, 32, 10, 38, 46, 5, 34, 28

    Answer: 25.5

Thursday 11 July 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄8 + 2⁄8

    Answer: 1⁄2
  2. 2. Algebra

    Solve: 4x + 3 = 31

    Answer: x = 7
  3. 3. Geometry

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

    Answer: 20cm
  4. 4. Ratio

    Divide 144 in the ratio 2:3:4

    Answer: 32, 48 and 64
  5. 5. Statistics

    Find the mean of: 7, 12, 20

    Answer: 13

Friday 12 July 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄6 + 2⁄7

    Answer: 11⁄14
  2. 2. Algebra

    Solve: 2x + 13 = 25

    Answer: x = 6
  3. 3. Geometry

    Calculate the hypotenuse when a = 12cm and b = 6cm. Give your answer to 2 decimal places

    Answer: 13.42cm
  4. 4. Ratio

    Divide 135 in the ratio 2:2:1

    Answer: 54, 54 and 27
  5. 5. Statistics

    Find the mean of: 20, 2, 16, 18

    Answer: 14