Change pack
Capstone Sep 19 - 25 25 questions
PDF (questions) PDF (answers)

Monday 19 September 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √175

    Answer: 5√7
  2. 2. Algebra

    Complete the square: x² - 9x

    Answer: (x - 9⁄2)² - 81⁄4
  3. 3. Geometry

    Find area of triangle: a = 20cm, b = 30cm, angle = 66°. Give your answer to 2 decimal places

    Answer: 274.06cm²
  4. 4. Ratio

    a:b is 1:7 and b:c is 4:5. Find a:b:c in its simplest form.

    Answer: 4:28:35
  5. 5. Statistics

    Find the mean, median and range of: 20, 86, 70, 17, 45, 83, 12, 78. Give your answer to 2 decimal places

    Answer: Mean = 51.38, Median = 57.5, Range = 74

Tuesday 20 September 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √240

    Answer: 4√15
  2. 2. Algebra

    Complete the square: x² + 11x + 10

    Answer: (x + 11⁄2)² - 81⁄4
  3. 3. Geometry

    Find area of triangle: a = 25cm, b = 13cm, angle = 60°. Give your answer to 2 decimal places

    Answer: 140.73cm²
  4. 4. Ratio

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

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

    Find the mean, median and range of: 68, 45, 84, 73, 47, 28, 31. Give your answer to 2 decimal places

    Answer: Mean = 53.71, Median = 47, Range = 56

Wednesday 21 September 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 2√32

    Answer: 8√2
  2. 2. Algebra

    Complete the square: 3x² - 6x - 4

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

    Find area of triangle: a = 15cm, b = 15cm, angle = 77°. Give your answer to 2 decimal places

    Answer: 109.62cm²
  4. 4. Ratio

    a:b is 6:7 and b:c is 2:7. Find a:b:c in its simplest form.

    Answer: 12:14:49
  5. 5. Statistics

    Find the mean, median and range of: 93, 76, 89, 51, 57, 17, 34, 20, 73. Give your answer to 2 decimal places

    Answer: Mean = 56.67, Median = 57, Range = 76

Thursday 22 September 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √720

    Answer: 12√5
  2. 2. Algebra

    Complete the square: x² + 9x + 12

    Answer: (x + 9⁄2)² - 33⁄4
  3. 3. Geometry

    Find area of triangle: a = 22cm, b = 14cm, angle = 80°. Give your answer to 2 decimal places

    Answer: 151.66cm²
  4. 4. Ratio

    a:b is 4:3 and b:c is 2:9. Find a:b:c in its simplest form.

    Answer: 8:6:27
  5. 5. Statistics

    Find the mean, median and range of: 24, 92, 20, 43, 25, 56, 54, 83. Give your answer to 2 decimal places

    Answer: Mean = 49.63, Median = 48.5, Range = 72

Friday 23 September 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 2√96

    Answer: 8√6
  2. 2. Algebra

    Complete the square: x² - x - 10

    Answer: (x - 1⁄2)² - 41⁄4
  3. 3. Geometry

    Find area of triangle: a = 12cm, b = 27cm, angle = 71°. Give your answer to 2 decimal places

    Answer: 153.17cm²
  4. 4. Ratio

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

    Answer: 5:15:9
  5. 5. Statistics

    Find the mean, median and range of: 22, 58, 44, 25, 84, 30, 43. Give your answer to 2 decimal places

    Answer: Mean = 43.71, Median = 43, Range = 62