Change pack
Capstone Dec 10 - 16 25 questions
PDF (questions) PDF (answers)

Monday 10 December 2018

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 = 28cm, b = 24cm, angle = 64°

    Answer: 302cm²
  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: 97, 12, 89, 34, 69, 25, 64, 54, 94

    Answer: Mean = 59.8, Median = 64, Range = 85

Tuesday 11 December 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √128

    Answer: 8√2
  2. 2. Algebra

    Complete the square: x² + 4.8x

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

    Find area of triangle: a = 13cm, b = 16cm, angle = 40°

    Answer: 66.8cm²
  4. 4. Ratio

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

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

    Find the mean, median and range of: 27, 77, 83, 34, 80, 45, 96

    Answer: Mean = 63.1, Median = 77, Range = 69

Wednesday 12 December 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √320

    Answer: 8√5
  2. 2. Algebra

    Complete the square: x² + 4.6x

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

    Find area of triangle: a = 21cm, b = 19cm, angle = 71°

    Answer: 188.6cm²
  4. 4. Ratio

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

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

    Find the mean, median and range of: 52, 95, 43, 64, 51, 93, 71

    Answer: Mean = 67, Median = 64, Range = 52

Thursday 13 December 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √75

    Answer: 5√3
  2. 2. Algebra

    Complete the square: x² + 4.2x

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

    Find area of triangle: a = 16cm, b = 29cm, angle = 80°

    Answer: 228.5cm²
  4. 4. Ratio

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

    Answer: 8:12:9
  5. 5. Statistics

    Find the mean, median and range of: 56, 57, 99, 54, 57, 10, 75, 56, 61

    Answer: Mean = 58.3, Median = 57, Range = 89

Friday 14 December 2018

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √242

    Answer: 11√2
  2. 2. Algebra

    Complete the square: x² + 2.8x

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

    Find area of triangle: a = 14cm, b = 22cm, angle = 47°

    Answer: 112.6cm²
  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: 15, 57, 66, 31, 20, 25, 21

    Answer: Mean = 33.6, Median = 25, Range = 51