Change pack
Capstone Jun 17 - 23 25 questions
PDF (questions) PDF (answers)

Monday 17 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √288

    Answer: 12√2
  2. 2. Algebra

    Complete the square: x² - 5x - 5

    Answer: (x - 5⁄2)² - 45⁄4
  3. 3. Geometry

    Find area of triangle: a = 23cm, b = 24cm, angle = 55°. Give your answer to 2 decimal places

    Answer: 226.09cm²
  4. 4. Ratio

    a:b is 2:7 and b:c is 8:9. Find a:b:c in its simplest form.

    Answer: 16:56:63
  5. 5. Statistics

    Find the mean, median and range of: 29, 60, 45, 19, 56, 63, 46, 55, 74. Give your answer to 2 decimal places

    Answer: Mean = 49.67, Median = 55, Range = 55

Tuesday 18 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √891

    Answer: 9√11
  2. 2. Algebra

    Complete the square: x² - x + 2

    Answer: (x - 1⁄2)² + 7⁄4
  3. 3. Geometry

    Find area of triangle: a = 23cm, b = 13cm, angle = 59°. Give your answer to 2 decimal places

    Answer: 128.15cm²
  4. 4. Ratio

    a:b is 3:7 and b:c is 6:5. Find a:b:c in its simplest form.

    Answer: 18:42:35
  5. 5. Statistics

    Find the mean, median and range of: 24, 92, 93, 68, 33, 28, 44, 91. Give your answer to 2 decimal places

    Answer: Mean = 59.13, Median = 56, Range = 69

Wednesday 19 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √756

    Answer: 6√21
  2. 2. Algebra

    Complete the square: 2x² - 12x + 4

    Answer: 2(x - 3)² - 14
  3. 3. Geometry

    Find area of triangle: a = 24cm, b = 18cm, angle = 68°. Give your answer to 2 decimal places

    Answer: 200.27cm²
  4. 4. Ratio

    a:b is 1:3 and b:c is 7:4. Find a:b:c in its simplest form.

    Answer: 7:21:12
  5. 5. Statistics

    Find the mean, median and range of: 98, 43, 57, 33, 38, 32, 65, 48

    Answer: Mean = 51.75, Median = 45.5, Range = 66

Thursday 20 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √350

    Answer: 5√14
  2. 2. Algebra

    Complete the square: 5x² - 50x - 3

    Answer: 5(x - 5)² - 128
  3. 3. Geometry

    Find area of triangle: a = 12cm, b = 24cm, angle = 68°. Give your answer to 2 decimal places

    Answer: 133.51cm²
  4. 4. Ratio

    a:b is 7:4 and b:c is 5:7. Find a:b:c in its simplest form.

    Answer: 35:20:28
  5. 5. Statistics

    Find the mean, median and range of: 24, 69, 82, 98, 79, 71, 16, 40, 95. Give your answer to 2 decimal places

    Answer: Mean = 63.78, Median = 71, Range = 82

Friday 21 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √242

    Answer: 11√2
  2. 2. Algebra

    Complete the square: x² - 7x + 2

    Answer: (x - 7⁄2)² - 41⁄4
  3. 3. Geometry

    Find area of triangle: a = 27cm, b = 15cm, angle = 40°. Give your answer to 2 decimal places

    Answer: 130.16cm²
  4. 4. Ratio

    a:b is 6:7 and b:c is 9:4. Find a:b:c in its simplest form.

    Answer: 54:63:28
  5. 5. Statistics

    Find the mean, median and range of: 29, 61, 66, 81, 56, 20, 48. Give your answer to 2 decimal places

    Answer: Mean = 51.57, Median = 56, Range = 61