Change pack
Capstone Feb 20 - 26 25 questions
PDF (questions) PDF (answers)

Monday 20 February 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √208

    Answer: 4√13
  2. 2. Algebra

    Complete the square: x² + 5x - 8

    Answer: (x + 5⁄2)² - 57⁄4
  3. 3. Geometry

    Find area of triangle: a = 17cm, b = 15cm, angle = 41°. Give your answer to 2 decimal places

    Answer: 83.65cm²
  4. 4. Ratio

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

    Answer: 16:20:25
  5. 5. Statistics

    Find the mean, median and range of: 15, 34, 49, 23, 34, 46, 67, 15, 52. Give your answer to 2 decimal places

    Answer: Mean = 37.22, Median = 34, Range = 52

Tuesday 21 February 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √48

    Answer: 4√3
  2. 2. Algebra

    Complete the square: 5x² + 20x - 14

    Answer: 5(x + 2)² - 34
  3. 3. Geometry

    Find area of triangle: a = 16cm, b = 14cm, angle = 53°. Give your answer to 2 decimal places

    Answer: 89.45cm²
  4. 4. Ratio

    a:b is 6:7 and b:c is 8:3. Find a:b:c in its simplest form.

    Answer: 48:56:21
  5. 5. Statistics

    Find the mean, median and range of: 11, 52, 64, 67, 59, 52, 87, 35. Give your answer to 2 decimal places

    Answer: Mean = 53.38, Median = 55.5, Range = 76

Wednesday 22 February 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √150

    Answer: 5√6
  2. 2. Algebra

    Complete the square: 3x² + 18x - 14

    Answer: 3(x + 3)² - 41
  3. 3. Geometry

    Find area of triangle: a = 30cm, b = 28cm, angle = 71°. Give your answer to 2 decimal places

    Answer: 397.12cm²
  4. 4. Ratio

    a:b is 2:9 and b:c is 5:4. Find a:b:c in its simplest form.

    Answer: 10:45:36
  5. 5. Statistics

    Find the mean, median and range of: 52, 14, 55, 83, 80, 98, 38, 100, 32. Give your answer to 2 decimal places

    Answer: Mean = 61.33, Median = 55, Range = 86

Thursday 23 February 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 2√54

    Answer: 6√6
  2. 2. Algebra

    Complete the square: 4x² + 16x + 11

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

    Find area of triangle: a = 26cm, b = 14cm, angle = 62°. Give your answer to 2 decimal places

    Answer: 160.7cm²
  4. 4. Ratio

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

    Answer: 24:42:49
  5. 5. Statistics

    Find the mean, median and range of: 44, 10, 52, 90, 10, 70, 86. Give your answer to 2 decimal places

    Answer: Mean = 51.71, Median = 52, Range = 80

Friday 24 February 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √792

    Answer: 6√22
  2. 2. Algebra

    Complete the square: x² + 3x - 7

    Answer: (x + 3⁄2)² - 37⁄4
  3. 3. Geometry

    Find area of triangle: a = 27cm, b = 30cm, angle = 73°. Give your answer to 2 decimal places

    Answer: 387.3cm²
  4. 4. Ratio

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

    Answer: 21:35:15
  5. 5. Statistics

    Find the mean, median and range of: 34, 69, 29, 33, 75, 85, 20, 55

    Answer: Mean = 50, Median = 44.5, Range = 65