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Capstone Jan 1 - 7 25 questions
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Monday 2 August 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 138. What are the numbers?

    Answer: 45, 46, and 47
  2. 2. Algebra

    Simplify: 8x - 5x + 6y - 2y

    Answer: 3x + 4y
  3. 3. Geometry

    Adjacent = 28cm, hypotenuse = 45cm. Find the angle

    Answer: 51.5°
  4. 4. Ratio

    Calculate 37.9% of 637

    Answer: 241.42
  5. 5. Statistics

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

    Answer: 2⁄5

Tuesday 3 August 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄4 + 4⁄6 + 4⁄5

    Answer: 133⁄60
  2. 2. Algebra

    Solve: x⁄3 = 7.3333333333333

    Answer: x = 22
  3. 3. Geometry

    Adjacent = 21cm, hypotenuse = 29cm. Find the angle

    Answer: 43.6°
  4. 4. Ratio

    Calculate 42.4% of 650

    Answer: 275.6
  5. 5. Statistics

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

    Answer: 3⁄7

Wednesday 4 August 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⁄4 = 9

    Answer: x = 36
  3. 3. Geometry

    Find c if a = 20cm and b = 14cm in a right triangle

    Answer: 24.4cm
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 5⁄11

Thursday 5 August 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 141. What are the numbers?

    Answer: 46, 47, and 48
  2. 2. Algebra

    Factorise fully: 8x² + 20x

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

    Adjacent = 14cm, hypotenuse = 31cm. Find the angle

    Answer: 63.2°
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 2⁄5

Friday 6 August 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

    Expand: 5(7x - 7)

    Answer: 35x - 35
  3. 3. Geometry

    Adjacent = 20cm, hypotenuse = 38cm. Find the angle

    Answer: 58.2°
  4. 4. Ratio

    Calculate 12.7% of 831

    Answer: 105.54
  5. 5. Statistics

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

    Answer: 5⁄12