Change pack
Capstone Sep 16 - 22 25 questions
PDF (questions) PDF (answers)

Monday 16 September 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 2√150

    Answer: 10√6
  2. 2. Algebra

    Complete the square: 2x² - 8x - 1

    Answer: 2(x - 2)² - 9
  3. 3. Geometry

    Find area of triangle: a = 27cm, b = 19cm, angle = 67°. Give your answer to 2 decimal places

    Answer: 236.11cm²
  4. 4. Ratio

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

    Answer: 25:15:9
  5. 5. Statistics

    Find the mean, median and range of: 59, 25, 60, 29, 41, 39, 65, 72, 68. Give your answer to 2 decimal places

    Answer: Mean = 50.89, Median = 59, Range = 47

Tuesday 17 September 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √150

    Answer: 5√6
  2. 2. Algebra

    Complete the square: x² - 11x + 4

    Answer: (x - 11⁄2)² - 105⁄4
  3. 3. Geometry

    Find area of triangle: a = 25cm, b = 22cm, angle = 45°. Give your answer to 2 decimal places

    Answer: 194.45cm²
  4. 4. Ratio

    a:b is 3:5 and b:c is 2:1. Find a:b:c in its simplest form.

    Answer: 6:10:5
  5. 5. Statistics

    Find the mean, median and range of: 92, 31, 96, 61, 98, 93, 50, 70, 63. Give your answer to 2 decimal places

    Answer: Mean = 72.67, Median = 70, Range = 67

Wednesday 18 September 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 3√275

    Answer: 15√11
  2. 2. Algebra

    Complete the square: 5x² + 20x - 11

    Answer: 5(x + 2)² - 31
  3. 3. Geometry

    Find area of triangle: a = 14cm, b = 13cm, angle = 76°. Give your answer to 2 decimal places

    Answer: 88.3cm²
  4. 4. Ratio

    a:b is 5:7 and b:c is 6:1. Find a:b:c in its simplest form.

    Answer: 30:42:7
  5. 5. Statistics

    Find the mean, median and range of: 69, 24, 17, 97, 44, 14, 75, 41, 20. Give your answer to 2 decimal places

    Answer: Mean = 44.56, Median = 41, Range = 83

Thursday 19 September 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √550

    Answer: 5√22
  2. 2. Algebra

    Complete the square: x² + 3x + 9

    Answer: (x + 3⁄2)² + 27⁄4
  3. 3. Geometry

    Find area of triangle: a = 26cm, b = 14cm, angle = 76°. Give your answer to 2 decimal places

    Answer: 176.59cm²
  4. 4. Ratio

    a:b is 2:5 and b:c is 4:7. Find a:b:c in its simplest form.

    Answer: 8:20:35
  5. 5. Statistics

    Find the mean, median and range of: 95, 95, 94, 66, 30, 36, 60, 38

    Answer: Mean = 64.25, Median = 63, Range = 65

Friday 20 September 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 3√90

    Answer: 9√10
  2. 2. Algebra

    Complete the square: 5x² + 50x + 12

    Answer: 5(x + 5)² - 113
  3. 3. Geometry

    Find area of triangle: a = 14cm, b = 21cm, angle = 75°. Give your answer to 2 decimal places

    Answer: 141.99cm²
  4. 4. Ratio

    a:b is 1:8 and b:c is 6:1. Find a:b:c in its simplest form.

    Answer: 3:24:4
  5. 5. Statistics

    Find the mean, median and range of: 76, 88, 35, 39, 65, 12, 80. Give your answer to 2 decimal places

    Answer: Mean = 56.43, Median = 65, Range = 76