Change pack
Capstone Jul 8 - 14 25 questions
PDF (questions) PDF (answers)

Monday 8 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 + 2.8x

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

    Find area of triangle: a = 15cm, b = 15cm, angle = 59°

    Answer: 96.4cm²
  4. 4. Ratio

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

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

    Find the mean, median and range of: 35, 26, 43, 29, 70, 78, 59, 26

    Answer: Mean = 45.8, Median = 43, Range = 52

Tuesday 9 July 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √147

    Answer: 7√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 = 19cm, angle = 51°

    Answer: 125.5cm²
  4. 4. Ratio

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

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

    Find the mean, median and range of: 28, 23, 63, 43, 60, 88, 99

    Answer: Mean = 57.7, Median = 60, Range = 76

Wednesday 10 July 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √98

    Answer: 7√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 = 15cm, b = 24cm, angle = 63°

    Answer: 160.4cm²
  4. 4. Ratio

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

    Answer: 8:12:15
  5. 5. Statistics

    Find the mean, median and range of: 31, 33, 73, 23, 88, 20, 76, 25

    Answer: Mean = 46.1, Median = 33, Range = 68

Thursday 11 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 + 4.8x

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

    Find area of triangle: a = 18cm, b = 17cm, angle = 45°

    Answer: 108.2cm²
  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: 62, 23, 92, 55, 63, 27, 11, 29

    Answer: Mean = 45.3, Median = 55, Range = 81

Friday 12 July 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √320

    Answer: 8√5
  2. 2. Algebra

    Complete the square: x² + 2.2x

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

    Find area of triangle: a = 17cm, b = 22cm, angle = 65°

    Answer: 169.5cm²
  4. 4. Ratio

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

    Answer: 8:6:9
  5. 5. Statistics

    Find the mean, median and range of: 61, 79, 13, 80, 54, 96, 14

    Answer: Mean = 56.7, Median = 61, Range = 83