Change pack
Capstone Oct 29 - Nov 4 25 questions
PDF (questions) PDF (answers)

Monday 29 October 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √147

    Answer: 7√3
  2. 2. Algebra

    Complete the square: x² + 2.2x

    Answer: (x + 1.1)² - 1.21
  3. 3. Geometry

    Find area of triangle: a = 13cm, b = 15cm, angle = 80°

    Answer: 96cm²
  4. 4. Ratio

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

    Answer: 16:12:9
  5. 5. Statistics

    Find the mean, median and range of: 68, 20, 65, 83, 31, 39, 32, 95, 30

    Answer: Mean = 51.4, Median = 39, Range = 75

Tuesday 30 October 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √192

    Answer: 8√3
  2. 2. Algebra

    Complete the square: x² + 5.2x

    Answer: (x + 2.6)² - 6.76
  3. 3. Geometry

    Find area of triangle: a = 22cm, b = 23cm, angle = 71°

    Answer: 239.2cm²
  4. 4. Ratio

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

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

    Find the mean, median and range of: 27, 69, 20, 95, 42, 28, 33

    Answer: Mean = 44.9, Median = 33, Range = 75

Wednesday 31 October 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √125

    Answer: 5√5
  2. 2. Algebra

    Complete the square: x² + 2.6x

    Answer: (x + 1.3)² - 1.69
  3. 3. Geometry

    Find area of triangle: a = 15cm, b = 30cm, angle = 55°

    Answer: 184.3cm²
  4. 4. Ratio

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

    Answer: 2:4:10
  5. 5. Statistics

    Find the mean, median and range of: 72, 47, 63, 59, 67, 60, 52, 80, 97

    Answer: Mean = 66.3, Median = 63, Range = 50

Thursday 1 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 + 3.8x

    Answer: (x + 1.9)² - 3.61
  3. 3. Geometry

    Find area of triangle: a = 12cm, b = 29cm, angle = 43°

    Answer: 118.7cm²
  4. 4. Ratio

    a:b is 3:4 and b:c is 1:2. Find a:b:c.

    Answer: 9:12:24
  5. 5. Statistics

    Find the mean, median and range of: 34, 42, 68, 17, 19, 55, 93, 77, 87

    Answer: Mean = 54.7, Median = 55, Range = 76

Friday 2 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 + 5.6x

    Answer: (x + 2.8)² - 7.84
  3. 3. Geometry

    Find area of triangle: a = 23cm, b = 28cm, angle = 65°

    Answer: 291.8cm²
  4. 4. Ratio

    a:b is 1:2 and b:c is 4:3. Find a:b:c.

    Answer: 2:4:3
  5. 5. Statistics

    Find the mean, median and range of: 25, 32, 21, 39, 77, 74, 25, 22

    Answer: Mean = 39.4, Median = 32, Range = 56