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

Monday 16 January 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄12 + 6⁄12

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 3x + 4 = 40

    Answer: x = 12
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 20cm and 21cm

    Answer: 29cm
  4. 4. Ratio

    Divide 232 in the ratio 3:1:4

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

    Find the mean of: 4, 13, 18, 3, 12

    Answer: 10

Tuesday 17 January 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄5 + 2⁄3

    Answer: 19⁄15
  2. 2. Algebra

    Solve: 7x - 16 = 40

    Answer: x = 8
  3. 3. Geometry

    Calculate the hypotenuse when a = 6cm and b = 7cm. Give your answer to 2 decimal places

    Answer: 9.22cm
  4. 4. Ratio

    Divide 136 in the ratio 1:4:3

    Answer: 17, 68 and 51
  5. 5. Statistics

    Calculate the mean of: 42, 7, 20, 45, 48, 7, 9, 13. Give your answer to 2 decimal places

    Answer: 23.88

Wednesday 18 January 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄3 + 3⁄5

    Answer: 19⁄15
  2. 2. Algebra

    Solve: 8x - 13 = 19

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 9cm and b = 7cm. Give your answer to 2 decimal places

    Answer: 11.4cm
  4. 4. Ratio

    Divide 72 in the ratio 4:1:1

    Answer: 48, 12 and 12
  5. 5. Statistics

    Calculate the mean of: 16, 32, 33, 16, 17, 20. Give your answer to 2 decimal places

    Answer: 22.33

Thursday 19 January 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄6 + 2⁄6

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 3x + 7 = 16

    Answer: x = 3
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 3cm and 4cm

    Answer: 5cm
  4. 4. Ratio

    Divide 192 in the ratio 2:3:3

    Answer: 48, 72 and 72
  5. 5. Statistics

    Find the mean of: 19, 18, 9, 13, 11

    Answer: 14

Friday 20 January 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄8 + 1⁄3

    Answer: 7⁄12
  2. 2. Algebra

    Solve: 2x + 6 = 30

    Answer: x = 12
  3. 3. Geometry

    Calculate the hypotenuse when a = 10cm and b = 7cm. Give your answer to 2 decimal places

    Answer: 12.21cm
  4. 4. Ratio

    Divide 286 in the ratio 3:4:4

    Answer: 78, 104 and 104
  5. 5. Statistics

    Calculate the mean of: 30, 40, 14, 32, 32, 24, 7, 43

    Answer: 27.75