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Capstone Jan 1 - 7 25 questions
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Monday 5 September 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 45 + 14 + 12

    Answer: 3120
  2. 2. Algebra

    Factorise fully: 8x² + 14x

    Answer: 2x(4x + 7)
  3. 3. Geometry

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

    Answer: 45.6°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 310

Tuesday 6 September 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 132. What are the numbers?

    Answer: 43, 44, and 45
  2. 2. Algebra

    Solve: x5 = 3.6

    Answer: x = 18
  3. 3. Geometry

    Adjacent = 30cm, hypotenuse = 41cm. Find the angle

    Answer: 43°
  4. 4. Ratio

    Calculate 42.3% of 350

    Answer: 148.05
  5. 5. Statistics

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

    Answer: 27

Wednesday 7 September 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 13 + 12 + 26

    Answer: 76
  2. 2. Algebra

    Simplify: 12x - 8x + 10y - 5y

    Answer: 4x + 5y
  3. 3. Geometry

    Adjacent = 22cm, hypotenuse = 30cm. Find the angle

    Answer: 42.8°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 27. If 4 of them are 48, 37, 28, 16, what is the missing number?

    Answer: 6

Thursday 8 September 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 141. What are the numbers?

    Answer: 46, 47, and 48
  2. 2. Algebra

    Solve: x3 = 8.3333333333333

    Answer: x = 25
  3. 3. Geometry

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

    Answer: 49.2°
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 37. If 4 of them are 23, 33, 35, 42, what is the missing number?

    Answer: 52

Friday 9 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

    Factorise fully: 6x² + 10x

    Answer: 2x(3x + 5)
  3. 3. Geometry

    Adjacent = 20cm, hypotenuse = 25cm. Find the angle

    Answer: 36.9°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 4 numbers is 26. If 3 of them are 46, 21, 22, what is the missing number?

    Answer: 15