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Capstone Jan 1 - 7 25 questions
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Monday 15 August 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 999 + 833

    Answer: 1832
  2. 2. Algebra

    Simplify: 10x - 6x + 8y - 7y

    Answer: 4x + y
  3. 3. Geometry

    Adjacent = 13cm, hypotenuse = 33cm. Find the angle

    Answer: 66.8°
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 40. If 5 of them are 49, 29, 30, 26, 20, what is the missing number?

    Answer: 86

Tuesday 16 August 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: x7 = 4.8571428571429

    Answer: x = 34
  3. 3. Geometry

    Adjacent = 17cm, hypotenuse = 24cm. Find the angle

    Answer: 44.9°
  4. 4. Ratio

    Calculate 31.9% of 267

    Answer: 85.17
  5. 5. Statistics

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

    Answer: 14

Wednesday 17 August 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

    Simplify: 8x - 7x + 10y - 4y

    Answer: x + 6y
  3. 3. Geometry

    Adjacent = 19cm, hypotenuse = 32cm. Find the angle

    Answer: 53.6°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 29. If 4 of them are 50, 49, 38, 34, what is the missing number?

    Answer: -26

Thursday 18 August 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 990 + 718

    Answer: 1708
  2. 2. Algebra

    Solve: x5 = 6

    Answer: x = 30
  3. 3. Geometry

    Adjacent = 23cm, hypotenuse = 31cm. Find the angle

    Answer: 42.1°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 31. If 5 of them are 48, 21, 40, 32, 44, what is the missing number?

    Answer: 1

Friday 19 August 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 123. What are the numbers?

    Answer: 40, 41, and 42
  2. 2. Algebra

    Factorise fully: 12x² + 21x

    Answer: 3x(4x + 7)
  3. 3. Geometry

    Adjacent = 17cm, hypotenuse = 26cm. Find the angle

    Answer: 49.2°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 517