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Capstone Jan 1 - 7 25 questions
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Monday 15 November 2021

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

    Solve: x⁄8 = 4.75

    Answer: x = 38
  3. 3. Geometry

    Adjacent = 13cm, hypotenuse = 20cm. Find the angle

    Answer: 49.5°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 1⁄7

Tuesday 16 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 114. What are the numbers?

    Answer: 37, 38, and 39
  2. 2. Algebra

    Solve: x⁄3 = 7.6666666666667

    Answer: x = 23
  3. 3. Geometry

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

    Answer: 49°
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 36. If 4 of them are 46, 27, 38, 38, what is the missing number?

    Answer: 31

Wednesday 17 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 996 + 670

    Answer: 1666
  2. 2. Algebra

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

    Answer: 21
  3. 3. Geometry

    Adjacent = 13cm, hypotenuse = 21cm. Find the angle

    Answer: 51.8°
  4. 4. Ratio

    Calculate 21.4% of 834

    Answer: 178.48
  5. 5. Statistics

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

    Answer: 1⁄3

Thursday 18 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: y3 × y4 × y5

    Answer: y12
  2. 2. Algebra

    Solve: x⁄4 = 1.5

    Answer: x = 6
  3. 3. Geometry

    Adjacent = 16cm, hypotenuse = 36cm. Find the angle

    Answer: 63.6°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 21. If 5 of them are 26, 21, 23, 15, 26, what is the missing number?

    Answer: 15

Friday 19 November 2021

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⁄2 = 8.5

    Answer: x = 17
  3. 3. Geometry

    Adjacent = 29cm, hypotenuse = 34cm. Find the angle

    Answer: 31.5°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 28. If 5 of them are 23, 31, 50, 27, 26, what is the missing number?

    Answer: 11