Change pack
Capstone Sep 29 - Oct 5 25 questions
PDF (questions) PDF (answers)

Monday 29 September 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 2√275

    Answer: 10√11
  2. 2. Algebra

    Complete the square: 2x² - 4x + 13

    Answer: 2(x - 1)² + 11
  3. 3. Geometry

    Find area of triangle: a = 21cm, b = 26cm, angle = 77°. Give your answer to 2 decimal places

    Answer: 266cm²
  4. 4. Ratio

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

    Answer: 8:14:49
  5. 5. Statistics

    Find the mean, median and range of: 58, 32, 99, 65, 50, 100, 47, 85, 56. Give your answer to 2 decimal places

    Answer: Mean = 65.78, Median = 58, Range = 68

Tuesday 30 September 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 5√32

    Answer: 20√2
  2. 2. Algebra

    Complete the square: x² + 11x

    Answer: (x + 11⁄2)² - 121⁄4
  3. 3. Geometry

    Find area of triangle: a = 12cm, b = 19cm, angle = 77°. Give your answer to 2 decimal places

    Answer: 111.08cm²
  4. 4. Ratio

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

    Answer: 6:10:15
  5. 5. Statistics

    Find the mean, median and range of: 52, 39, 37, 73, 77, 10, 97, 74, 57. Give your answer to 2 decimal places

    Answer: Mean = 57.33, Median = 57, Range = 87

Wednesday 1 October 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √375

    Answer: 5√15
  2. 2. Algebra

    Complete the square: x² + 5x + 9

    Answer: (x + 5⁄2)² + 11⁄4
  3. 3. Geometry

    Find area of triangle: a = 16cm, b = 22cm, angle = 66°. Give your answer to 2 decimal places

    Answer: 160.78cm²
  4. 4. Ratio

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

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

    Find the mean, median and range of: 78, 70, 82, 97, 44, 79, 40

    Answer: Mean = 70, Median = 78, Range = 57

Thursday 2 October 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 3√175

    Answer: 15√7
  2. 2. Algebra

    Complete the square: x² - 11x - 9

    Answer: (x - 11⁄2)² - 157⁄4
  3. 3. Geometry

    Find area of triangle: a = 13cm, b = 29cm, angle = 47°. Give your answer to 2 decimal places

    Answer: 137.86cm²
  4. 4. Ratio

    a:b is 4:5 and b:c is 6:1. Find a:b:c in its simplest form.

    Answer: 24:30:5
  5. 5. Statistics

    Find the mean, median and range of: 40, 23, 75, 39, 99, 72, 38. Give your answer to 2 decimal places

    Answer: Mean = 55.14, Median = 40, Range = 76

Friday 3 October 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √304

    Answer: 4√19
  2. 2. Algebra

    Complete the square: x² + x - 7

    Answer: (x + 1⁄2)² - 29⁄4
  3. 3. Geometry

    Find area of triangle: a = 21cm, b = 18cm, angle = 44°. Give your answer to 2 decimal places

    Answer: 131.29cm²
  4. 4. Ratio

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

    Answer: 8:6:9
  5. 5. Statistics

    Find the mean, median and range of: 80, 27, 52, 41, 38, 46, 70, 97. Give your answer to 2 decimal places

    Answer: Mean = 56.38, Median = 49, Range = 70