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Capstone Jan 1 - 7 25 questions
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Monday 20 December 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 991 + 641

    Answer: 1632
  2. 2. Algebra

    Solve: x⁄2 = 13.5

    Answer: x = 27
  3. 3. Geometry

    Adjacent = 14cm, hypotenuse = 29cm. Find the angle

    Answer: 61.1°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 4⁄11

Tuesday 21 December 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄2 + 1⁄4 + 1⁄5

    Answer: 19⁄20
  2. 2. Algebra

    Find the next term: 1, 2, 4, 7, ...

    Answer: 11
  3. 3. Geometry

    Adjacent = 18cm, hypotenuse = 37cm. Find the angle

    Answer: 60.9°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 27. If 4 of them are 22, 28, 17, 45, what is the missing number?

    Answer: 23

Wednesday 22 December 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

    Simplify: 22x²y³ ÷ 3xy²

    Answer: 7.3333333333333xy
  3. 3. Geometry

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

    Answer: 52.2°
  4. 4. Ratio

    Calculate 14.1% of 908

    Answer: 128.03
  5. 5. Statistics

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

    Answer: 1⁄3

Thursday 23 December 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 90. What are the numbers?

    Answer: 29, 30, and 31
  2. 2. Algebra

    Solve: x⁄5 = 3

    Answer: x = 15
  3. 3. Geometry

    Adjacent = 29cm, hypotenuse = 43cm. Find the angle

    Answer: 47.6°
  4. 4. Ratio

    Calculate 11.7% of 876

    Answer: 102.49
  5. 5. Statistics

    The mean of 4 numbers is 36. If 3 of them are 34, 18, 38, what is the missing number?

    Answer: 54

Friday 24 December 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    If x2 = 25, what is x?

    Answer: 5
  2. 2. Algebra

    Solve: x⁄7 = 4.8571428571429

    Answer: x = 34
  3. 3. Geometry

    Find c if a = 20cm and b = 11cm in a right triangle

    Answer: 22.8cm
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 4⁄13