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Capstone Jan 1 - 7 25 questions
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Monday 9 August 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 26 + 56 + 46

    Answer: 116
  2. 2. Algebra

    Solve: x3 = 11

    Answer: x = 33
  3. 3. Geometry

    Adjacent = 26cm, hypotenuse = 46cm. Find the angle

    Answer: 55.6°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 4 numbers is 35. If 3 of them are 45, 15, 25, what is the missing number?

    Answer: 55

Tuesday 10 August 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 114. What are the numbers?

    Answer: 37, 38, and 39
  2. 2. Algebra

    Simplify: 12x - 4x + 10y - 6y

    Answer: 8x + 4y
  3. 3. Geometry

    Adjacent = 18cm, hypotenuse = 26cm. Find the angle

    Answer: 46.2°
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 5 red, 4 blue and 3 green sections. Probability of landing on red?

    Answer: 512

Wednesday 11 August 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 132. What are the numbers?

    Answer: 43, 44, and 45
  2. 2. Algebra

    Simplify: 5x - 4x + 8y - 7y

    Answer: x + y
  3. 3. Geometry

    Adjacent = 22cm, hypotenuse = 33cm. Find the angle

    Answer: 48.2°
  4. 4. Ratio

    Calculate 50% of 710

    Answer: 355
  5. 5. Statistics

    The mean of 6 numbers is 25. If 5 of them are 28, 39, 44, 32, 36, what is the missing number?

    Answer: -29

Thursday 12 August 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5.52 + 22.26 + 0.747

    Answer: 5.52 + 22.26 + 0.747 = 28.527
  2. 2. Algebra

    Solve: x8 = 4

    Answer: x = 32
  3. 3. Geometry

    Adjacent = 23cm, hypotenuse = 39cm. Find the angle

    Answer: 53.9°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 516

Friday 13 August 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 996 + 503

    Answer: 1499
  2. 2. Algebra

    Factorise fully: 12x² + 15x

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

    Adjacent = 28cm, hypotenuse = 37cm. Find the angle

    Answer: 40.8°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 27