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Capstone Feb 2 - 8 25 questions
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Monday 2 February 2026

Keystones #33 · Five questions · Open this day only

  1. 1. Number

    Simplify: √8 + √18

    Answer: 2√2 + 3√2 = 5√2
  2. 2. Algebra

    Find equation with turning point (2, 2) and coefficient 5

    Answer: y = 5(x - 2)² + 2
  3. 3. Geometry

    Find perimeter: adjacent = 11cm, angle = 40°

    Answer: 34.6cm
  4. 4. Ratio

    55 out of 90 students passed. What percentage passed?

    Answer: 61.1%
  5. 5. Statistics

    A spinner has 5 red, 5 blue and 5 green sections. Probability of landing on red?

    Answer: 1⁄3

Tuesday 3 February 2026

Keystones #34 · Five questions · Open this day only

  1. 1. Number

    Simplify: √8 + √18

    Answer: 2√2 + 3√2 = 5√2
  2. 2. Algebra

    Find equation with turning point (5, 7) and coefficient 6

    Answer: y = 6(x - 5)² + 7
  3. 3. Geometry

    Find perimeter: adjacent = 18cm, angle = 50°

    Answer: 67.5cm
  4. 4. Ratio

    52 out of 97 students passed. What percentage passed?

    Answer: 53.6%
  5. 5. Statistics

    A spinner has 4 red, 3 blue and 4 green sections. Probability of landing on red?

    Answer: 4⁄11

Wednesday 4 February 2026

Keystones #35 · Five questions · Open this day only

  1. 1. Number

    Simplify: √8 + √18

    Answer: 2√2 + 3√2 = 5√2
  2. 2. Algebra

    Find equation with turning point (1, 2) and coefficient 6

    Answer: y = 6(x - 1)² + 2
  3. 3. Geometry

    Find perimeter: adjacent = 24cm, angle = 60°

    Answer: 113.6cm
  4. 4. Ratio

    37 out of 86 students passed. What percentage passed?

    Answer: 43%
  5. 5. Statistics

    A spinner has 4 red, 6 blue and 2 green sections. Probability of landing on red?

    Answer: 1⁄3

Thursday 5 February 2026

Keystones #36 · Five questions · Open this day only

  1. 1. Number

    Simplify: √8 + √18

    Answer: 2√2 + 3√2 = 5√2
  2. 2. Algebra

    Find equation with turning point (2, 7) and coefficient 3

    Answer: y = 3(x - 2)² + 7
  3. 3. Geometry

    Find perimeter: adjacent = 19cm, angle = 41°

    Answer: 60.7cm
  4. 4. Ratio

    44 out of 95 students passed. What percentage passed?

    Answer: 46.3%
  5. 5. Statistics

    A spinner has 6 red, 3 blue and 5 green sections. Probability of landing on red?

    Answer: 3⁄7

Friday 6 February 2026

Keystones #37 · Five questions · Open this day only

  1. 1. Number

    Simplify: √8 + √18

    Answer: 2√2 + 3√2 = 5√2
  2. 2. Algebra

    Find equation with turning point (1, 7) and coefficient 6

    Answer: y = 6(x - 1)² + 7
  3. 3. Geometry

    Find perimeter: adjacent = 11cm, angle = 56°

    Answer: 47cm
  4. 4. Ratio

    50 out of 95 students passed. What percentage passed?

    Answer: 52.6%
  5. 5. Statistics

    A spinner has 2 red, 6 blue and 3 green sections. Probability of landing on red?

    Answer: 2⁄11