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Capstone Jan 1 - 7 25 questions
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Monday 18 October 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: x5 = 5.2

    Answer: x = 26
  3. 3. Geometry

    Adjacent = 19cm, hypotenuse = 26cm. Find the angle

    Answer: 43°
  4. 4. Ratio

    Calculate 14.8% of 880

    Answer: 130.24
  5. 5. Statistics

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

    Answer: 513

Tuesday 19 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 99. What are the numbers?

    Answer: 32, 33, and 34
  2. 2. Algebra

    Solve: x2 = 4

    Answer: x = 8
  3. 3. Geometry

    Adjacent = 14cm, hypotenuse = 32cm. Find the angle

    Answer: 64.1°
  4. 4. Ratio

    Calculate 21.9% of 784

    Answer: 171.7
  5. 5. Statistics

    A spinner has 6 red, 5 blue and 2 green sections. Probability of landing on red?

    Answer: 613

Wednesday 20 October 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

    Solve: x4 = 1.75

    Answer: x = 7
  3. 3. Geometry

    Adjacent = 13cm, hypotenuse = 31cm. Find the angle

    Answer: 65.2°
  4. 4. Ratio

    Calculate 35.2% of 997

    Answer: 350.94
  5. 5. Statistics

    The mean of 4 numbers is 39. If 3 of them are 43, 34, 24, what is the missing number?

    Answer: 55

Thursday 21 October 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

    Expand: 4(6x - 12)

    Answer: 24x - 48
  3. 3. Geometry

    Adjacent = 28cm, hypotenuse = 35cm. Find the angle

    Answer: 36.9°
  4. 4. Ratio

    Calculate 35.3% of 881

    Answer: 310.99
  5. 5. Statistics

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

    Answer: 310

Friday 22 October 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

    Factorise fully: 24x² + 28x

    Answer: 4x(6x + 7)
  3. 3. Geometry

    Adjacent = 27cm, hypotenuse = 35cm. Find the angle

    Answer: 39.5°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 12