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Capstone Jan 1 - 7 25 questions
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Monday 4 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 995 + 620

    Answer: 1615
  2. 2. Algebra

    Solve: x⁄8 = 2

    Answer: x = 16
  3. 3. Geometry

    Adjacent = 15cm, hypotenuse = 20cm. Find the angle

    Answer: 41.4°
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 3⁄10

Tuesday 5 October 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

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

    Answer: 21
  3. 3. Geometry

    Adjacent = 30cm, hypotenuse = 42cm. Find the angle

    Answer: 44.4°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 35. If 4 of them are 24, 45, 35, 32, what is the missing number?

    Answer: 39

Wednesday 6 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 998 + 576

    Answer: 1574
  2. 2. Algebra

    Simplify: 8x - 2x + 10y - 8y

    Answer: 6x + 2y
  3. 3. Geometry

    Adjacent = 21cm, hypotenuse = 36cm. Find the angle

    Answer: 54.3°
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 39. If 5 of them are 35, 26, 42, 35, 34, what is the missing number?

    Answer: 62

Thursday 7 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    If x2 = 16, what is x?

    Answer: 4
  2. 2. Algebra

    Expand: 4(6x - 7)

    Answer: 24x - 28
  3. 3. Geometry

    Adjacent = 24cm, hypotenuse = 37cm. Find the angle

    Answer: 49.6°
  4. 4. Ratio

    Calculate 18.8% of 226

    Answer: 42.49
  5. 5. Statistics

    The mean of 5 numbers is 36. If 4 of them are 36, 36, 22, 39, what is the missing number?

    Answer: 47

Friday 8 October 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 117. What are the numbers?

    Answer: 38, 39, and 40
  2. 2. Algebra

    Factorise fully: 6x² + 4x

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

    Adjacent = 12cm, hypotenuse = 28cm. Find the angle

    Answer: 64.6°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 6⁄13