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Capstone Jan 1 - 7 25 questions
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Monday 28 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 999 + 890

    Answer: 1889
  2. 2. Algebra

    Solve: x⁄8 = 5

    Answer: x = 40
  3. 3. Geometry

    Adjacent = 26cm, hypotenuse = 41cm. Find the angle

    Answer: 50.6°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 25. If 4 of them are 42, 24, 29, 15, what is the missing number?

    Answer: 15

Tuesday 29 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄3 + 2⁄4 + 4⁄5

    Answer: 59⁄30
  2. 2. Algebra

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

    Answer: 31
  3. 3. Geometry

    Find the distance between (-5, -3) and (7, 8)

    Answer: 16.28
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 3 red, 2 blue and 5 green sections. Probability of landing on red?

    Answer: 3⁄10

Wednesday 30 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 93. What are the numbers?

    Answer: 30, 31, and 32
  2. 2. Algebra

    Factorise fully: 20x² + 8x

    Answer: 4x(5x + 2)
  3. 3. Geometry

    Adjacent = 19cm, hypotenuse = 28cm. Find the angle

    Answer: 47.3°
  4. 4. Ratio

    Calculate 31.7% of 914

    Answer: 289.74
  5. 5. Statistics

    The mean of 4 numbers is 30. If 3 of them are 44, 19, 26, what is the missing number?

    Answer: 31

Thursday 31 March 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 990 + 881

    Answer: 1871
  2. 2. Algebra

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

    Answer: 21
  3. 3. Geometry

    Adjacent = 28cm, hypotenuse = 44cm. Find the angle

    Answer: 50.5°
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 37. If 4 of them are 18, 48, 40, 15, what is the missing number?

    Answer: 64

Friday 1 April 2022

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

    Simplify: 10x - 3x + 8y - y

    Answer: 7x + 7y
  3. 3. Geometry

    Adjacent = 24cm, hypotenuse = 41cm. Find the angle

    Answer: 54.2°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 2 red, 4 blue and 3 green sections. Probability of landing on red?

    Answer: 2⁄9