Change pack
Capstone Nov 26 - Dec 2 25 questions
PDF (questions) PDF (answers)

Monday 26 November 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √242

    Answer: 11√2
  2. 2. Algebra

    Complete the square: x² + 2.4x

    Answer: (x + 1.2)² - 1.44
  3. 3. Geometry

    Find area of triangle: a = 26cm, b = 15cm, angle = 51°

    Answer: 151.5cm²
  4. 4. Ratio

    a:b is 2:3 and b:c is 2:3. Find a:b:c.

    Answer: 4:6:9
  5. 5. Statistics

    Find the mean, median and range of: 93, 65, 82, 50, 33, 83, 25, 56, 85

    Answer: Mean = 63.6, Median = 65, Range = 68

Tuesday 27 November 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √162

    Answer: 9√2
  2. 2. Algebra

    Complete the square: x² + 2.8x

    Answer: (x + 1.4)² - 1.96
  3. 3. Geometry

    Find area of triangle: a = 25cm, b = 27cm, angle = 42°

    Answer: 225.8cm²
  4. 4. Ratio

    a:b is 2:3 and b:c is 1:2. Find a:b:c.

    Answer: 2:3:6
  5. 5. Statistics

    Find the mean, median and range of: 85, 70, 77, 82, 92, 29, 46, 44

    Answer: Mean = 65.6, Median = 77, Range = 63

Wednesday 28 November 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √200

    Answer: 10√2
  2. 2. Algebra

    Complete the square: x² + 3.2x

    Answer: (x + 1.6)² - 2.56
  3. 3. Geometry

    Find area of triangle: a = 19cm, b = 25cm, angle = 64°

    Answer: 213.5cm²
  4. 4. Ratio

    a:b is 3:4 and b:c is 2:5. Find a:b:c.

    Answer: 3:4:10
  5. 5. Statistics

    Find the mean, median and range of: 77, 14, 11, 66, 94, 15, 43, 66

    Answer: Mean = 48.3, Median = 66, Range = 83

Thursday 29 November 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √363

    Answer: 11√3
  2. 2. Algebra

    Complete the square: x² + 3.4x

    Answer: (x + 1.7)² - 2.89
  3. 3. Geometry

    Find area of triangle: a = 28cm, b = 28cm, angle = 63°

    Answer: 349.3cm²
  4. 4. Ratio

    a:b is 1:2 and b:c is 2:3. Find a:b:c.

    Answer: 2:4:6
  5. 5. Statistics

    Find the mean, median and range of: 66, 40, 43, 77, 91, 81, 94, 90, 39

    Answer: Mean = 69, Median = 77, Range = 55

Friday 30 November 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √98

    Answer: 7√2
  2. 2. Algebra

    Complete the square: x² + 4.2x

    Answer: (x + 2.1)² - 4.41
  3. 3. Geometry

    Find area of triangle: a = 30cm, b = 16cm, angle = 66°

    Answer: 219.3cm²
  4. 4. Ratio

    a:b is 1:2 and b:c is 4:5. Find a:b:c.

    Answer: 2:4:5
  5. 5. Statistics

    Find the mean, median and range of: 84, 79, 64, 75, 91, 55, 36, 67

    Answer: Mean = 68.9, Median = 75, Range = 55