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Capstone May 28 - Jun 3 25 questions
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Monday 1 June 2026

Keystones #152 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 108. What are the numbers?

    Answer: 35, 36, and 37
  2. 2. Algebra

    Solve: x⁄4 = 9.5

    Answer: x = 38
  3. 3. Geometry

    Adjacent = 16cm, hypotenuse = 33cm. Find the angle

    Answer: 61°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 3⁄11

Tuesday 2 June 2026

Keystones #153 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 141. What are the numbers?

    Answer: 46, 47, and 48
  2. 2. Algebra

    Factorise fully: 20x² + 10x

    Answer: 5x(4x + 2)
  3. 3. Geometry

    Adjacent = 22cm, hypotenuse = 29cm. Find the angle

    Answer: 40.7°
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 5 red, 2 blue and 4 green sections. Probability of landing on red?

    Answer: 5⁄11

Wednesday 3 June 2026

Keystones #154 · Five questions · Open this day only

  1. 1. Number

    Calculate: 996 + 606

    Answer: 1602
  2. 2. Algebra

    Solve: x⁄7 = 5.7142857142857

    Answer: x = 40
  3. 3. Geometry

    Adjacent = 19cm, hypotenuse = 31cm. Find the angle

    Answer: 52.2°
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 4 numbers is 28. If 3 of them are 30, 28, 17, what is the missing number?

    Answer: 37

Thursday 4 June 2026

Keystones #155 · Five questions · Open this day only

  1. 1. Number

    Calculate: 996 + 600

    Answer: 1596
  2. 2. Algebra

    Solve: x⁄7 = 1.7142857142857

    Answer: x = 12
  3. 3. Geometry

    Adjacent = 15cm, hypotenuse = 24cm. Find the angle

    Answer: 51.3°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 6 red, 4 blue and 5 green sections. Probability of landing on red?

    Answer: 2⁄5

Friday 5 June 2026

Keystones #156 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 108. What are the numbers?

    Answer: 35, 36, and 37
  2. 2. Algebra

    Solve: x⁄5 = 4.4

    Answer: x = 22
  3. 3. Geometry

    Adjacent = 30cm, hypotenuse = 44cm. Find the angle

    Answer: 47°
  4. 4. Ratio

    Calculate 17% of 273

    Answer: 46.41
  5. 5. Statistics

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

    Answer: 2⁄5