Change pack
Capstone Nov 5 - 11 25 questions
PDF (questions) PDF (answers)

Monday 5 November 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √160

    Answer: 4√10
  2. 2. Algebra

    Complete the square: 5x² - 30x - 6

    Answer: 5(x - 3)² - 51
  3. 3. Geometry

    Find area of triangle: a = 20cm, b = 20cm, angle = 63°. Give your answer to 2 decimal places

    Answer: 178.2cm²
  4. 4. Ratio

    a:b is 5:4 and b:c is 9:4. Find a:b:c in its simplest form.

    Answer: 45:36:16
  5. 5. Statistics

    Find the mean, median and range of: 41, 68, 16, 33, 36, 14, 15, 93, 55. Give your answer to 2 decimal places

    Answer: Mean = 41.22, Median = 36, Range = 79

Tuesday 6 November 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √468

    Answer: 6√13
  2. 2. Algebra

    Complete the square: 2x² - 16x + 9

    Answer: 2(x - 4)² - 23
  3. 3. Geometry

    Find area of triangle: a = 13cm, b = 18cm, angle = 72°. Give your answer to 2 decimal places

    Answer: 111.27cm²
  4. 4. Ratio

    a:b is 2:9 and b:c is 7:3. Find a:b:c in its simplest form.

    Answer: 14:63:27
  5. 5. Statistics

    Find the mean, median and range of: 84, 11, 31, 93, 23, 90, 89. Give your answer to 2 decimal places

    Answer: Mean = 60.14, Median = 84, Range = 82

Wednesday 7 November 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √150

    Answer: 5√6
  2. 2. Algebra

    Complete the square: x² - 3x + 2

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

    Find area of triangle: a = 15cm, b = 20cm, angle = 55°. Give your answer to 2 decimal places

    Answer: 122.87cm²
  4. 4. Ratio

    a:b is 2:5 and b:c is 3:7. Find a:b:c in its simplest form.

    Answer: 6:15:35
  5. 5. Statistics

    Find the mean, median and range of: 85, 66, 15, 90, 31, 77, 45, 32, 81

    Answer: Mean = 58, Median = 66, Range = 75

Thursday 8 November 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √700

    Answer: 10√7
  2. 2. Algebra

    Complete the square: 2x² + 16x - 8

    Answer: 2(x + 4)² - 40
  3. 3. Geometry

    Find area of triangle: a = 20cm, b = 23cm, angle = 79°. Give your answer to 2 decimal places

    Answer: 225.77cm²
  4. 4. Ratio

    a:b is 4:7 and b:c is 5:6. Find a:b:c in its simplest form.

    Answer: 20:35:42
  5. 5. Statistics

    Find the mean, median and range of: 97, 22, 28, 10, 31, 10, 62, 74, 58. Give your answer to 2 decimal places

    Answer: Mean = 43.56, Median = 31, Range = 87

Friday 9 November 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √640

    Answer: 8√10
  2. 2. Algebra

    Complete the square: x² - 11x - 8

    Answer: (x - 11⁄2)² - 153⁄4
  3. 3. Geometry

    Find area of triangle: a = 26cm, b = 22cm, angle = 56°. Give your answer to 2 decimal places

    Answer: 237.cm²
  4. 4. Ratio

    a:b is 1:5 and b:c is 9:5. Find a:b:c in its simplest form.

    Answer: 9:45:25
  5. 5. Statistics

    Find the mean, median and range of: 33, 18, 28, 97, 75, 64, 30, 89, 39. Give your answer to 2 decimal places

    Answer: Mean = 52.56, Median = 39, Range = 79