Change pack
Capstone Nov 21 - 27 25 questions
PDF (questions) PDF (answers)

Monday 21 November 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √98

    Answer: 7√2
  2. 2. Algebra

    Complete the square: 4x² - 48x + 12

    Answer: 4(x - 6)² - 132
  3. 3. Geometry

    Find area of triangle: a = 29cm, b = 16cm, angle = 80°. Give your answer to 2 decimal places

    Answer: 228.48cm²
  4. 4. Ratio

    a:b is 9:5 and b:c is 4:3. Find a:b:c in its simplest form.

    Answer: 36:20:15
  5. 5. Statistics

    Find the mean, median and range of: 17, 88, 41, 49, 47, 31, 39, 86, 99. Give your answer to 2 decimal places

    Answer: Mean = 55.22, Median = 47, Range = 82

Tuesday 22 November 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 5√160

    Answer: 20√10
  2. 2. Algebra

    Complete the square: x² + 11x + 12

    Answer: (x + 11⁄2)² - 73⁄4
  3. 3. Geometry

    Find area of triangle: a = 25cm, b = 23cm, angle = 49°. Give your answer to 2 decimal places

    Answer: 216.98cm²
  4. 4. Ratio

    a:b is 3:4 and b:c is 7:3. Find a:b:c in its simplest form.

    Answer: 21:28:12
  5. 5. Statistics

    Find the mean, median and range of: 88, 16, 48, 33, 35, 68, 32, 79. Give your answer to 2 decimal places

    Answer: Mean = 49.88, Median = 41.5, Range = 72

Wednesday 23 November 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 5√96

    Answer: 20√6
  2. 2. Algebra

    Complete the square: 5x² + 10x + 7

    Answer: 5(x + 1)² + 2
  3. 3. Geometry

    Find area of triangle: a = 21cm, b = 25cm, angle = 75°. Give your answer to 2 decimal places

    Answer: 253.56cm²
  4. 4. Ratio

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

    Answer: 56:40:35
  5. 5. Statistics

    Find the mean, median and range of: 50, 91, 21, 20, 61, 32, 14. Give your answer to 2 decimal places

    Answer: Mean = 41.29, Median = 32, Range = 77

Thursday 24 November 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 2√125

    Answer: 10√5
  2. 2. Algebra

    Complete the square: x² - 3x + 8

    Answer: (x - 3⁄2)² + 23⁄4
  3. 3. Geometry

    Find area of triangle: a = 25cm, b = 20cm, angle = 62°. Give your answer to 2 decimal places

    Answer: 220.74cm²
  4. 4. Ratio

    a:b is 4:3 and b:c is 2:9. Find a:b:c in its simplest form.

    Answer: 8:6:27
  5. 5. Statistics

    Find the mean, median and range of: 26, 40, 38, 64, 56, 71, 78, 71

    Answer: Mean = 55.5, Median = 60, Range = 52

Friday 25 November 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 5√175

    Answer: 25√7
  2. 2. Algebra

    Complete the square: 4x² - 40x + 10

    Answer: 4(x - 5)² - 90
  3. 3. Geometry

    Find area of triangle: a = 18cm, b = 17cm, angle = 63°. Give your answer to 2 decimal places

    Answer: 136.32cm²
  4. 4. Ratio

    a:b is 4:3 and b:c is 5:7. Find a:b:c in its simplest form.

    Answer: 20:15:21
  5. 5. Statistics

    Find the mean, median and range of: 66, 42, 10, 49, 55, 93, 43, 13. Give your answer to 2 decimal places

    Answer: Mean = 46.38, Median = 46, Range = 83