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Capstone Jan 1 - 7 25 questions
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Monday 29 March 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 996 + 592

    Answer: 1588
  2. 2. Algebra

    Simplify: 9x - 6x + 6y - y

    Answer: 3x + 5y
  3. 3. Geometry

    Adjacent = 23cm, hypotenuse = 35cm. Find the angle

    Answer: 48.9°
  4. 4. Ratio

    Calculate 46.6% of 564

    Answer: 262.82
  5. 5. Statistics

    The mean of 6 numbers is 20. If 5 of them are 36, 26, 15, 31, 35, what is the missing number?

    Answer: -23

Tuesday 30 March 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √8 + √18

    Answer: 2√2 + 3√2 = 5√2
  2. 2. Algebra

    Solve: x⁄5 = 4.4

    Answer: x = 22
  3. 3. Geometry

    Adjacent = 19cm, hypotenuse = 30cm. Find the angle

    Answer: 50.7°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 36. If 5 of them are 24, 15, 36, 33, 49, what is the missing number?

    Answer: 59

Wednesday 31 March 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 126. What are the numbers?

    Answer: 41, 42, and 43
  2. 2. Algebra

    Simplify: 9x - 8x + 4y - 3y

    Answer: x + y
  3. 3. Geometry

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

    Answer: 66°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 3⁄11

Thursday 1 April 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: √8 + √18

    Answer: 2√2 + 3√2 = 5√2
  2. 2. Algebra

    Solve: x⁄3 = 6.3333333333333

    Answer: x = 19
  3. 3. Geometry

    Adjacent = 19cm, hypotenuse = 32cm. Find the angle

    Answer: 53.6°
  4. 4. Ratio

    Calculate 37.8% of 587

    Answer: 221.89
  5. 5. Statistics

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

    Answer: 4⁄15

Friday 2 April 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 108. What are the numbers?

    Answer: 35, 36, and 37
  2. 2. Algebra

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

    Answer: 31
  3. 3. Geometry

    Adjacent = 18cm, hypotenuse = 36cm. Find the angle

    Answer: 60°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 24. If 4 of them are 25, 40, 49, 43, what is the missing number?

    Answer: -37