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Capstone Jan 1 - 7 25 questions
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Monday 12 September 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: (-27) + (-26) + (-10)

    Answer: -63
  2. 2. Algebra

    Solve: x8 = 4.25

    Answer: x = 34
  3. 3. Geometry

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

    Answer: 51.9°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 34. If 4 of them are 46, 17, 39, 42, what is the missing number?

    Answer: 26

Tuesday 13 September 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 144. What are the numbers?

    Answer: 47, 48, and 49
  2. 2. Algebra

    Solve: x2 = 15.5

    Answer: x = 31
  3. 3. Geometry

    Adjacent = 24cm, hypotenuse = 29cm. Find the angle

    Answer: 34.1°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 12

Wednesday 14 September 2022

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 = 4.5

    Answer: x = 27
  3. 3. Geometry

    Adjacent = 22cm, hypotenuse = 36cm. Find the angle

    Answer: 52.3°
  4. 4. Ratio

    Calculate 11.4% of 745

    Answer: 84.93
  5. 5. Statistics

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

    Answer: 27

Thursday 15 September 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 102. What are the numbers?

    Answer: 33, 34, and 35
  2. 2. Algebra

    Simplify: 6x - 2x + 5y - 2y

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

    Adjacent = 17cm, hypotenuse = 34cm. Find the angle

    Answer: 60°
  4. 4. Ratio

    Calculate 35.4% of 334

    Answer: 118.24
  5. 5. Statistics

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

    Answer: 37

Friday 16 September 2022

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

    Factorise fully: 21x² + 6x

    Answer: 3x(7x + 2)
  3. 3. Geometry

    Find c if a = 14cm and b = 14cm in a right triangle

    Answer: 19.8cm
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 27