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Capstone Jan 1 - 7 25 questions
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Monday 19 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 147. What are the numbers?

    Answer: 48, 49, and 50
  2. 2. Algebra

    Find the next term: 1, 3, 7, 13, ...

    Answer: 21
  3. 3. Geometry

    Adjacent = 26cm, hypotenuse = 36cm. Find the angle

    Answer: 43.8°
  4. 4. Ratio

    Calculate 13.4% of 659

    Answer: 88.31
  5. 5. Statistics

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

    Answer: 5⁄17

Tuesday 20 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄4 + 2⁄3 + 3⁄4

    Answer: 5⁄3
  2. 2. Algebra

    Solve: x⁄6 = 2.1666666666667

    Answer: x = 13
  3. 3. Geometry

    Adjacent = 25cm, hypotenuse = 33cm. Find the angle

    Answer: 40.7°
  4. 4. Ratio

    Calculate 28.1% of 840

    Answer: 236.04
  5. 5. Statistics

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

    Answer: 5⁄13

Wednesday 21 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 135. What are the numbers?

    Answer: 44, 45, and 46
  2. 2. Algebra

    Solve: x⁄5 = 3.8

    Answer: x = 19
  3. 3. Geometry

    Adjacent = 21cm, hypotenuse = 32cm. Find the angle

    Answer: 49°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 21. If 5 of them are 49, 30, 19, 25, 39, what is the missing number?

    Answer: -36

Thursday 22 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 117. What are the numbers?

    Answer: 38, 39, and 40
  2. 2. Algebra

    Factorise fully: 12x² + 24x

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

    Adjacent = 13cm, hypotenuse = 22cm. Find the angle

    Answer: 53.8°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 1⁄3

Friday 23 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄3 + 1⁄2 + 1⁄4

    Answer: 13⁄12
  2. 2. Algebra

    Simplify: 5x - 3x + 4y - 3y

    Answer: 2x + y
  3. 3. Geometry

    Adjacent = 13cm, hypotenuse = 32cm. Find the angle

    Answer: 66°
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 5 red, 4 blue and 3 green sections. Probability of landing on red?

    Answer: 5⁄12