Change pack
Capstone Jul 15 - 21 25 questions
PDF (questions) PDF (answers)

Monday 15 July 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √125

    Answer: 5√5
  2. 2. Algebra

    Complete the square: x² + 4.8x

    Answer: (x + 2.4)² - 5.76
  3. 3. Geometry

    Find area of triangle: a = 23cm, b = 18cm, angle = 55°

    Answer: 169.6cm²
  4. 4. Ratio

    a:b is 2:1 and b:c is 3:5. Find a:b:c.

    Answer: 12:6:10
  5. 5. Statistics

    Find the mean, median and range of: 29, 63, 95, 71, 81, 50, 97

    Answer: Mean = 69.4, Median = 71, Range = 68

Tuesday 16 July 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √162

    Answer: 9√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 = 18cm, b = 24cm, angle = 59°

    Answer: 185.cm²
  4. 4. Ratio

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

    Answer: 4:3:6
  5. 5. Statistics

    Find the mean, median and range of: 75, 87, 59, 11, 60, 87, 34, 28

    Answer: Mean = 55.1, Median = 60, Range = 76

Wednesday 17 July 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √192

    Answer: 8√3
  2. 2. Algebra

    Complete the square: x² + 5.8x

    Answer: (x + 2.9)² - 8.41
  3. 3. Geometry

    Find area of triangle: a = 22cm, b = 28cm, angle = 50°

    Answer: 235.9cm²
  4. 4. Ratio

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

    Answer: 6:4:3
  5. 5. Statistics

    Find the mean, median and range of: 68, 96, 49, 17, 39, 18, 96

    Answer: Mean = 54.7, Median = 49, Range = 79

Thursday 18 July 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √75

    Answer: 5√3
  2. 2. Algebra

    Complete the square: x² + 4.4x

    Answer: (x + 2.2)² - 4.84
  3. 3. Geometry

    Find area of triangle: a = 28cm, b = 22cm, angle = 77°

    Answer: 300.cm²
  4. 4. Ratio

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

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

    Find the mean, median and range of: 24, 20, 49, 19, 37, 96, 23, 82, 43

    Answer: Mean = 43.7, Median = 37, Range = 77

Friday 19 July 2019

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 = 19cm, b = 29cm, angle = 42°

    Answer: 184.3cm²
  4. 4. Ratio

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

    Answer: 8:6:15
  5. 5. Statistics

    Find the mean, median and range of: 55, 79, 43, 67, 24, 54, 74

    Answer: Mean = 56.6, Median = 55, Range = 55