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Capstone Jan 1 - 7 25 questions
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Monday 10 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 996 + 529

    Answer: 1525
  2. 2. Algebra

    Solve: x⁄5 = 5.8

    Answer: x = 29
  3. 3. Geometry

    Adjacent = 26cm, hypotenuse = 38cm. Find the angle

    Answer: 46.8°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 38. If 4 of them are 17, 29, 19, 19, what is the missing number?

    Answer: 106

Tuesday 11 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄5 + 4⁄5 + 5⁄6

    Answer: 73⁄30
  2. 2. Algebra

    Find the next term: 1, 4, 10, 19, ...

    Answer: 31
  3. 3. Geometry

    Adjacent = 16cm, hypotenuse = 28cm. Find the angle

    Answer: 55.2°
  4. 4. Ratio

    Calculate 15.4% of 256

    Answer: 39.42
  5. 5. Statistics

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

    Answer: 4⁄13

Wednesday 12 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 998 + 669

    Answer: 1667
  2. 2. Algebra

    Solve: x⁄5 = 3.6

    Answer: x = 18
  3. 3. Geometry

    Find c if a = 18cm and b = 23cm in a right triangle

    Answer: 29.2cm
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 5⁄11

Thursday 13 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 144. What are the numbers?

    Answer: 47, 48, and 49
  2. 2. Algebra

    Solve: x⁄6 = 4.3333333333333

    Answer: x = 26
  3. 3. Geometry

    Adjacent = 22cm, hypotenuse = 34cm. Find the angle

    Answer: 49.7°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 5⁄14

Friday 14 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 150. What are the numbers?

    Answer: 49, 50, and 51
  2. 2. Algebra

    Factorise fully: 12x² + 24x

    Answer: 4x(3x + 6)
  3. 3. Geometry

    Adjacent = 30cm, hypotenuse = 50cm. Find the angle

    Answer: 53.1°
  4. 4. Ratio

    Calculate 23.9% of 991

    Answer: 236.85
  5. 5. Statistics

    The mean of 5 numbers is 26. If 4 of them are 32, 25, 33, 31, what is the missing number?

    Answer: 9