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Capstone Jan 1 - 7 25 questions
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Monday 15 March 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 111. What are the numbers?

    Answer: 36, 37, and 38
  2. 2. Algebra

    Solve: x4 = 3.75

    Answer: x = 15
  3. 3. Geometry

    Adjacent = 21cm, hypotenuse = 30cm. Find the angle

    Answer: 45.6°
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 4 red, 2 blue and 5 green sections. Probability of landing on red?

    Answer: 411

Tuesday 16 March 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 16 + 16 + 24

    Answer: 56
  2. 2. Algebra

    Factorise fully: 6x² + 21x

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

    Adjacent = 13cm, hypotenuse = 32cm. Find the angle

    Answer: 66°
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 24. If 5 of them are 21, 43, 30, 30, 30, what is the missing number?

    Answer: -10

Wednesday 17 March 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: x3 = 6.3333333333333

    Answer: x = 19
  3. 3. Geometry

    A right triangle has hypotenuse 10cm and one side 6cm. Find its area

    Answer: 24cm²
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 310

Thursday 18 March 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Three lengths are 4.11m, 2.58m and 2.15m. What is their total length?

    Answer: 8.84m
  2. 2. Algebra

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

    Answer: 21
  3. 3. Geometry

    Adjacent = 27cm, hypotenuse = 34cm. Find the angle

    Answer: 37.4°
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 25

Friday 19 March 2021

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

    Expand: 4(6x - 8)

    Answer: 24x - 32
  3. 3. Geometry

    Adjacent = 20cm, hypotenuse = 34cm. Find the angle

    Answer: 54°
  4. 4. Ratio

    Calculate 45.4% of 568

    Answer: 257.87
  5. 5. Statistics

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

    Answer: 411