Change pack
Capstone Oct 30 - Nov 5 25 questions
PDF (questions) PDF (answers)

Monday 30 October 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 3√8

    Answer: 6√2
  2. 2. Algebra

    Complete the square: 3x² - 6x + 14

    Answer: 3(x - 1)² + 11
  3. 3. Geometry

    Find area of triangle: a = 28cm, b = 21cm, angle = 41°. Give your answer to 2 decimal places

    Answer: 192.88cm²
  4. 4. Ratio

    a:b is 4:9 and b:c is 7:3. Find a:b:c in its simplest form.

    Answer: 28:63:27
  5. 5. Statistics

    Find the mean, median and range of: 49, 32, 12, 73, 82, 71, 14. Give your answer to 2 decimal places

    Answer: Mean = 47.57, Median = 49, Range = 70

Tuesday 31 October 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √931

    Answer: 7√19
  2. 2. Algebra

    Complete the square: 2x² + 4x + 5

    Answer: 2(x + 1)² + 3
  3. 3. Geometry

    Find area of triangle: a = 17cm, b = 14cm, angle = 80°. Give your answer to 2 decimal places

    Answer: 117.19cm²
  4. 4. Ratio

    a:b is 4:7 and b:c is 2:7. Find a:b:c in its simplest form.

    Answer: 8:14:49
  5. 5. Statistics

    Find the mean, median and range of: 44, 51, 29, 24, 83, 57, 54. Give your answer to 2 decimal places

    Answer: Mean = 48.86, Median = 51, Range = 59

Wednesday 1 November 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 5√48

    Answer: 20√3
  2. 2. Algebra

    Complete the square: x² + 7x + 7

    Answer: (x + 7⁄2)² - 21⁄4
  3. 3. Geometry

    Find area of triangle: a = 30cm, b = 29cm, angle = 55°. Give your answer to 2 decimal places

    Answer: 356.33cm²
  4. 4. Ratio

    a:b is 4:3 and b:c is 7:6. Find a:b:c in its simplest form.

    Answer: 28:21:18
  5. 5. Statistics

    Find the mean, median and range of: 68, 98, 43, 90, 58, 62, 87, 93. Give your answer to 2 decimal places

    Answer: Mean = 74.88, Median = 77.5, Range = 55

Thursday 2 November 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 4√99

    Answer: 12√11
  2. 2. Algebra

    Complete the square: x² + 3x - 12

    Answer: (x + 3⁄2)² - 57⁄4
  3. 3. Geometry

    Find area of triangle: a = 30cm, b = 22cm, angle = 58°. Give your answer to 2 decimal places

    Answer: 279.86cm²
  4. 4. Ratio

    a:b is 5:3 and b:c is 8:7. Find a:b:c in its simplest form.

    Answer: 40:24:21
  5. 5. Statistics

    Find the mean, median and range of: 17, 72, 73, 99, 14, 24, 44, 15, 57. Give your answer to 2 decimal places

    Answer: Mean = 46.11, Median = 44, Range = 85

Friday 3 November 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √180

    Answer: 6√5
  2. 2. Algebra

    Complete the square: x² - 7x + 11

    Answer: (x - 7⁄2)² - 5⁄4
  3. 3. Geometry

    Find area of triangle: a = 16cm, b = 12cm, angle = 70°. Give your answer to 2 decimal places

    Answer: 90.21cm²
  4. 4. Ratio

    a:b is 3:5 and b:c is 9:5. Find a:b:c in its simplest form.

    Answer: 27:45:25
  5. 5. Statistics

    Find the mean, median and range of: 67, 64, 14, 100, 99, 59, 26, 40, 36. Give your answer to 2 decimal places

    Answer: Mean = 56.11, Median = 59, Range = 86