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Capstone Jan 1 - 7 25 questions
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Monday 26 December 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 129. What are the numbers?

    Answer: 42, 43, and 44
  2. 2. Algebra

    Solve: x⁄3 = 12

    Answer: x = 36
  3. 3. Geometry

    Find c if a = 20cm and b = 13cm in a right triangle

    Answer: 23.9cm
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 4 numbers is 40. If 3 of them are 23, 16, 16, what is the missing number?

    Answer: 105

Tuesday 27 December 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 150. What are the numbers?

    Answer: 49, 50, and 51
  2. 2. Algebra

    Solve: x⁄5 = 3.6

    Answer: x = 18
  3. 3. Geometry

    Adjacent = 14cm, hypotenuse = 20cm. Find the angle

    Answer: 45.6°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 5⁄12

Wednesday 28 December 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 93. What are the numbers?

    Answer: 30, 31, and 32
  2. 2. Algebra

    Simplify: 10x - 3x + 10y - 9y

    Answer: 7x + y
  3. 3. Geometry

    Adjacent = 16cm, hypotenuse = 34cm. Find the angle

    Answer: 61.9°
  4. 4. Ratio

    Calculate 44.7% of 932

    Answer: 416.6
  5. 5. Statistics

    A spinner has 2 red, 4 blue and 6 green sections. Probability of landing on red?

    Answer: 1⁄6

Thursday 29 December 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 991 + 757

    Answer: 1748
  2. 2. Algebra

    Solve: x⁄6 = 1.6666666666667

    Answer: x = 10
  3. 3. Geometry

    Adjacent = 14cm, hypotenuse = 29cm. Find the angle

    Answer: 61.1°
  4. 4. Ratio

    Calculate 42.5% of 349

    Answer: 148.33
  5. 5. Statistics

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

    Answer: 1⁄5

Friday 30 December 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄3 + 2⁄6 + 3⁄5

    Answer: 19⁄15
  2. 2. Algebra

    Simplify: 5x - 2x + 8y - 3y

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

    Adjacent = 14cm, hypotenuse = 24cm. Find the angle

    Answer: 54.3°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 1⁄3