Change pack
Capstone Jun 1 - 7 25 questions
PDF (questions) PDF (answers)

Monday 1 June 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √320

    Answer: 8√5
  2. 2. Algebra

    Complete the square: x² + 4x

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

    Find area of triangle: a = 23cm, b = 19cm, angle = 70°

    Answer: 205.3cm²
  4. 4. Ratio

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

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

    Find the mean, median and range of: 12, 39, 81, 73, 85, 68, 40, 39

    Answer: Mean = 54.6, Median = 68, Range = 73

Tuesday 2 June 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √98

    Answer: 7√2
  2. 2. Algebra

    Complete the square: x² + 6x

    Answer: (x + 3)² - 9
  3. 3. Geometry

    Find area of triangle: a = 18cm, b = 27cm, angle = 50°

    Answer: 186.cm²
  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: 51, 22, 26, 14, 77, 15, 47

    Answer: Mean = 36, Median = 26, Range = 63

Wednesday 3 June 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √75

    Answer: 5√3
  2. 2. Algebra

    Complete the square: x² + 2.4x

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

    Find area of triangle: a = 17cm, b = 27cm, angle = 63°

    Answer: 204.5cm²
  4. 4. Ratio

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

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

    Find the mean, median and range of: 21, 54, 44, 53, 49, 62, 15, 59

    Answer: Mean = 44.6, Median = 53, Range = 47

Thursday 4 June 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √128

    Answer: 8√2
  2. 2. Algebra

    Complete the square: x² + 4.6x

    Answer: (x + 2.3)² - 5.29
  3. 3. Geometry

    Find area of triangle: a = 16cm, b = 17cm, angle = 42°

    Answer: 91cm²
  4. 4. Ratio

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

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

    Find the mean, median and range of: 65, 14, 29, 82, 58, 89, 68, 33

    Answer: Mean = 54.8, Median = 65, Range = 75

Friday 5 June 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √363

    Answer: 11√3
  2. 2. Algebra

    Complete the square: x² + 5.4x

    Answer: (x + 2.7)² - 7.29
  3. 3. Geometry

    Find area of triangle: a = 19cm, b = 20cm, angle = 74°

    Answer: 182.6cm²
  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: 21, 99, 39, 69, 78, 67, 97, 42

    Answer: Mean = 64, Median = 69, Range = 78