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Capstone Jan 1 - 7 25 questions
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Monday 6 December 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

    Solve: x2 = 14.5

    Answer: x = 29
  3. 3. Geometry

    Adjacent = 27cm, hypotenuse = 45cm. Find the angle

    Answer: 53.1°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 4 red, 6 blue and 3 green sections. Probability of landing on red?

    Answer: 413

Tuesday 7 December 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

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

    Answer: 21
  3. 3. Geometry

    Adjacent = 27cm, hypotenuse = 43cm. Find the angle

    Answer: 51.1°
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 33. If 5 of them are 47, 47, 29, 47, 16, what is the missing number?

    Answer: 12

Wednesday 8 December 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 96. What are the numbers?

    Answer: 31, 32, and 33
  2. 2. Algebra

    Solve: x2 = 7.5

    Answer: x = 15
  3. 3. Geometry

    Find c if a = 15cm and b = 20cm in a right triangle

    Answer: 25cm
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 411

Thursday 9 December 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 993 + 661

    Answer: 1654
  2. 2. Algebra

    Complete the square: x² + 4.2x

    Answer: (x + 2.1)² - 4.41
  3. 3. Geometry

    Adjacent = 30cm, hypotenuse = 38cm. Find the angle

    Answer: 37.9°
  4. 4. Ratio

    Calculate 17.1% of 366

    Answer: 62.59
  5. 5. Statistics

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

    Answer: 611

Friday 10 December 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 996 + 585

    Answer: 1581
  2. 2. Algebra

    Simplify: 8x - 3x + 10y - 4y

    Answer: 5x + 6y
  3. 3. Geometry

    Find c if a = 20cm and b = 21cm in a right triangle

    Answer: 29cm
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 4 numbers is 33. If 3 of them are 45, 21, 26, what is the missing number?

    Answer: 40