Change pack
Capstone Jan 27 - Feb 2 25 questions
PDF (questions) PDF (answers)

Monday 27 January 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √525

    Answer: 5√21
  2. 2. Algebra

    Complete the square: 5x² - 50x - 10

    Answer: 5(x - 5)² - 135
  3. 3. Geometry

    Find area of triangle: a = 27cm, b = 13cm, angle = 57°. Give your answer to 2 decimal places

    Answer: 147.19cm²
  4. 4. Ratio

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

    Answer: 5:20:28
  5. 5. Statistics

    Find the mean, median and range of: 56, 38, 34, 70, 49, 46, 55, 95. Give your answer to 2 decimal places

    Answer: Mean = 55.38, Median = 52, Range = 61

Tuesday 28 January 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √300

    Answer: 10√3
  2. 2. Algebra

    Complete the square: x² - 9x - 12

    Answer: (x - 9⁄2)² - 129⁄4
  3. 3. Geometry

    Find area of triangle: a = 15cm, b = 30cm, angle = 54°. Give your answer to 2 decimal places

    Answer: 182.03cm²
  4. 4. Ratio

    a:b is 7:2 and b:c is 5:8. Find a:b:c in its simplest form.

    Answer: 35:10:16
  5. 5. Statistics

    Find the mean, median and range of: 76, 39, 44, 41, 53, 86, 21, 75. Give your answer to 2 decimal places

    Answer: Mean = 54.38, Median = 48.5, Range = 65

Wednesday 29 January 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √325

    Answer: 5√13
  2. 2. Algebra

    Complete the square: x² - 7x + 12

    Answer: (x - 7⁄2)² - 1⁄4
  3. 3. Geometry

    Find area of triangle: a = 13cm, b = 20cm, angle = 73°. Give your answer to 2 decimal places

    Answer: 124.32cm²
  4. 4. Ratio

    a:b is 7:4 and b:c is 6:1. Find a:b:c in its simplest form.

    Answer: 21:12:2
  5. 5. Statistics

    Find the mean, median and range of: 29, 34, 36, 64, 98, 62, 54, 49

    Answer: Mean = 53.25, Median = 51.5, Range = 69

Thursday 30 January 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 5√250

    Answer: 25√10
  2. 2. Algebra

    Complete the square: 2x² - 12x - 11

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

    Find area of triangle: a = 20cm, b = 13cm, angle = 46°. Give your answer to 2 decimal places

    Answer: 93.51cm²
  4. 4. Ratio

    a:b is 6:5 and b:c is 9:8. Find a:b:c in its simplest form.

    Answer: 54:45:40
  5. 5. Statistics

    Find the mean, median and range of: 67, 88, 82, 72, 19, 68, 72, 48

    Answer: Mean = 64.5, Median = 70, Range = 69

Friday 31 January 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √162

    Answer: 9√2
  2. 2. Algebra

    Complete the square: x² - 3x - 6

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

    Find area of triangle: a = 20cm, b = 25cm, angle = 40°. Give your answer to 2 decimal places

    Answer: 160.7cm²
  4. 4. Ratio

    a:b is 9:7 and b:c is 5:6. Find a:b:c in its simplest form.

    Answer: 45:35:42
  5. 5. Statistics

    Find the mean, median and range of: 10, 44, 78, 63, 72, 47, 53, 62. Give your answer to 2 decimal places

    Answer: Mean = 53.63, Median = 57.5, Range = 68