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Capstone Jan 1 - 7 25 questions
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Monday 19 July 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 129. What are the numbers?

    Answer: 42, 43, and 44
  2. 2. Algebra

    Expand: 2(3x - 6)

    Answer: 6x - 12
  3. 3. Geometry

    Adjacent = 12cm, hypotenuse = 24cm. Find the angle

    Answer: 60°
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 28. If 4 of them are 16, 30, 35, 35, what is the missing number?

    Answer: 24

Tuesday 20 July 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄2 + 3⁄5 + 1⁄4

    Answer: 27⁄20
  2. 2. Algebra

    Solve: x⁄7 = 3.8571428571429

    Answer: x = 27
  3. 3. Geometry

    Adjacent = 29cm, hypotenuse = 46cm. Find the angle

    Answer: 50.9°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 1⁄4

Wednesday 21 July 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 105. What are the numbers?

    Answer: 34, 35, and 36
  2. 2. Algebra

    Solve: x⁄5 = 4

    Answer: x = 20
  3. 3. Geometry

    Adjacent = 23cm, hypotenuse = 41cm. Find the angle

    Answer: 55.9°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 6⁄17

Thursday 22 July 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄3 + 1⁄2 + 1⁄2

    Answer: 4⁄3
  2. 2. Algebra

    Expand: 7(8x - 2)

    Answer: 56x - 14
  3. 3. Geometry

    Adjacent = 26cm, hypotenuse = 40cm. Find the angle

    Answer: 49.5°
  4. 4. Ratio

    Calculate 39.7% of 739

    Answer: 293.38
  5. 5. Statistics

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

    Answer: 3⁄10

Friday 23 July 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 123. What are the numbers?

    Answer: 40, 41, and 42
  2. 2. Algebra

    Simplify: 9x - 8x + 7y - 2y

    Answer: x + 5y
  3. 3. Geometry

    Adjacent = 17cm, hypotenuse = 28cm. Find the angle

    Answer: 52.6°
  4. 4. Ratio

    Calculate 14.9% of 279

    Answer: 41.57
  5. 5. Statistics

    The mean of 4 numbers is 38. If 3 of them are 28, 21, 30, what is the missing number?

    Answer: 73