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Capstone Jan 1 - 7 25 questions
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Monday 14 June 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

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

    Answer: 4x + 6y
  3. 3. Geometry

    Adjacent = 12cm, hypotenuse = 31cm. Find the angle

    Answer: 67.2°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 411

Tuesday 15 June 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 997 + 797

    Answer: 1794
  2. 2. Algebra

    Factorise fully: 16x² + 12x

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

    Adjacent = 26cm, hypotenuse = 42cm. Find the angle

    Answer: 51.8°
  4. 4. Ratio

    Calculate 14.1% of 316

    Answer: 44.56
  5. 5. Statistics

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

    Answer: 513

Wednesday 16 June 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: x6 = 6.5

    Answer: x = 39
  3. 3. Geometry

    Find the distance between (-7, -7) and (8, 12)

    Answer: 24.21
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 32. If 5 of them are 39, 50, 26, 39, 41, what is the missing number?

    Answer: -3

Thursday 17 June 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 997 + 633

    Answer: 1630
  2. 2. Algebra

    Solve: x7 = 5.4285714285714

    Answer: x = 38
  3. 3. Geometry

    Adjacent = 12cm, hypotenuse = 26cm. Find the angle

    Answer: 62.5°
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 2 red, 3 blue and 6 green sections. Probability of landing on red?

    Answer: 211

Friday 18 June 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: x6 = 3.5

    Answer: x = 21
  3. 3. Geometry

    Adjacent = 21cm, hypotenuse = 34cm. Find the angle

    Answer: 51.9°
  4. 4. Ratio

    Calculate 26.8% of 616

    Answer: 165.09
  5. 5. Statistics

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

    Answer: 13