Change pack
Capstone Jul 29 - Aug 4 25 questions
PDF (questions) PDF (answers)

Monday 29 July 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 4√63

    Answer: 12√7
  2. 2. Algebra

    Complete the square: x² - 9x + 7

    Answer: (x - 9⁄2)² - 53⁄4
  3. 3. Geometry

    Find area of triangle: a = 25cm, b = 26cm, angle = 40°. Give your answer to 2 decimal places

    Answer: 208.91cm²
  4. 4. Ratio

    a:b is 3:5 and b:c is 8:1. Find a:b:c in its simplest form.

    Answer: 24:40:5
  5. 5. Statistics

    Find the mean, median and range of: 41, 95, 12, 10, 96, 44, 88, 83, 64. Give your answer to 2 decimal places

    Answer: Mean = 59.22, Median = 64, Range = 86

Tuesday 30 July 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √490

    Answer: 7√10
  2. 2. Algebra

    Complete the square: 3x² + 30x - 13

    Answer: 3(x + 5)² - 88
  3. 3. Geometry

    Find area of triangle: a = 24cm, b = 26cm, angle = 54°. Give your answer to 2 decimal places

    Answer: 252.41cm²
  4. 4. Ratio

    a:b is 1:5 and b:c is 8:1. Find a:b:c in its simplest form.

    Answer: 8:40:5
  5. 5. Statistics

    Find the mean, median and range of: 15, 35, 11, 90, 51, 97, 72, 12. Give your answer to 2 decimal places

    Answer: Mean = 47.88, Median = 43, Range = 86

Wednesday 31 July 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √160

    Answer: 4√10
  2. 2. Algebra

    Complete the square: x² + 5x + 2

    Answer: (x + 5⁄2)² - 17⁄4
  3. 3. Geometry

    Find area of triangle: a = 28cm, b = 13cm, angle = 76°. Give your answer to 2 decimal places

    Answer: 176.59cm²
  4. 4. Ratio

    a:b is 2:7 and b:c is 3:4. Find a:b:c in its simplest form.

    Answer: 6:21:28
  5. 5. Statistics

    Find the mean, median and range of: 86, 97, 75, 95, 26, 48, 32, 23

    Answer: Mean = 60.25, Median = 61.5, Range = 74

Thursday 1 August 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √500

    Answer: 10√5
  2. 2. Algebra

    Complete the square: x² + 5x + 11

    Answer: (x + 5⁄2)² + 19⁄4
  3. 3. Geometry

    Find area of triangle: a = 21cm, b = 16cm, angle = 75°. Give your answer to 2 decimal places

    Answer: 162.28cm²
  4. 4. Ratio

    a:b is 5:8 and b:c is 9:2. Find a:b:c in its simplest form.

    Answer: 45:72:16
  5. 5. Statistics

    Find the mean, median and range of: 42, 21, 41, 75, 68, 94, 30, 39, 39. Give your answer to 2 decimal places

    Answer: Mean = 49.89, Median = 41, Range = 73

Friday 2 August 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 2√44

    Answer: 4√11
  2. 2. Algebra

    Complete the square: 3x² + 6x - 5

    Answer: 3(x + 1)² - 8
  3. 3. Geometry

    Find area of triangle: a = 12cm, b = 22cm, angle = 50°. Give your answer to 2 decimal places

    Answer: 101.12cm²
  4. 4. Ratio

    a:b is 9:2 and b:c is 5:7. Find a:b:c in its simplest form.

    Answer: 45:10:14
  5. 5. Statistics

    Find the mean, median and range of: 47, 69, 37, 99, 37, 53, 38. Give your answer to 2 decimal places

    Answer: Mean = 54.29, Median = 47, Range = 62