Change pack
Capstone Dec 7 - 13 25 questions
PDF (questions) PDF (answers)

Monday 7 December 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √48

    Answer: 4√3
  2. 2. Algebra

    Complete the square: x² - 3x - 5

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

    Find area of triangle: a = 15cm, b = 18cm, angle = 45°. Give your answer to 2 decimal places

    Answer: 95.46cm²
  4. 4. Ratio

    a:b is 1:2 and b:c is 5:6. Find a:b:c in its simplest form.

    Answer: 5:10:12
  5. 5. Statistics

    Find the mean, median and range of: 17, 26, 39, 24, 57, 90, 38. Give your answer to 2 decimal places

    Answer: Mean = 41.57, Median = 38, Range = 73

Tuesday 8 December 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 2√28

    Answer: 4√7
  2. 2. Algebra

    Complete the square: x² + 5x - 5

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

    Find area of triangle: a = 20cm, b = 17cm, angle = 63°. Give your answer to 2 decimal places

    Answer: 151.47cm²
  4. 4. Ratio

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

    Answer: 30:35:21
  5. 5. Statistics

    Find the mean, median and range of: 53, 89, 93, 46, 83, 78, 32, 27. Give your answer to 2 decimal places

    Answer: Mean = 62.63, Median = 65.5, Range = 66

Wednesday 9 December 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 3√150

    Answer: 15√6
  2. 2. Algebra

    Complete the square: x² - 11x

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

    Find area of triangle: a = 18cm, b = 28cm, angle = 57°. Give your answer to 2 decimal places

    Answer: 211.34cm²
  4. 4. Ratio

    a:b is 4:5 and b:c is 9:1. Find a:b:c in its simplest form.

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

    Find the mean, median and range of: 39, 94, 15, 72, 20, 49, 21, 42

    Answer: Mean = 44, Median = 40.5, Range = 79

Thursday 10 December 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √176

    Answer: 4√11
  2. 2. Algebra

    Complete the square: 5x² - 30x - 8

    Answer: 5(x - 3)² - 53
  3. 3. Geometry

    Find area of triangle: a = 20cm, b = 13cm, angle = 62°. Give your answer to 2 decimal places

    Answer: 114.78cm²
  4. 4. Ratio

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

    Answer: 72:63:14
  5. 5. Statistics

    Find the mean, median and range of: 13, 43, 99, 54, 11, 85, 60, 66. Give your answer to 2 decimal places

    Answer: Mean = 53.88, Median = 57, Range = 88

Friday 11 December 2015

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 5√8

    Answer: 10√2
  2. 2. Algebra

    Complete the square: 5x² - 30x + 10

    Answer: 5(x - 3)² - 35
  3. 3. Geometry

    Find area of triangle: a = 30cm, b = 16cm, angle = 49°. Give your answer to 2 decimal places

    Answer: 181.13cm²
  4. 4. Ratio

    a:b is 2:9 and b:c is 6:5. Find a:b:c in its simplest form.

    Answer: 4:18:15
  5. 5. Statistics

    Find the mean, median and range of: 78, 78, 88, 75, 16, 84, 57

    Answer: Mean = 68, Median = 78, Range = 72