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Capstone Jan 1 - 7 25 questions
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Monday 11 April 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

    Find the next term: 1, 4, 10, 19, ...

    Answer: 31
  3. 3. Geometry

    Find the distance between (-2, -4) and (8, 3)

    Answer: 12.21
  4. 4. Ratio

    Calculate 44.9% of 400

    Answer: 179.6
  5. 5. Statistics

    The mean of 4 numbers is 22. If 3 of them are 40, 50, 28, what is the missing number?

    Answer: -30

Tuesday 12 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.0076

    Answer: 7.6 × 10^-3
  2. 2. Algebra

    Factorise fully: 20x² + 15x

    Answer: 5x(4x + 3)
  3. 3. Geometry

    Find the distance between (-7, -4) and (9, 7)

    Answer: 19.42
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 5 numbers is 32. If 4 of them are 35, 20, 32, 48, what is the missing number?

    Answer: 25

Wednesday 13 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 998 + 807

    Answer: 1805
  2. 2. Algebra

    Factorise fully: 6x² + 14x

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

    Adjacent = 26cm, hypotenuse = 46cm. Find the angle

    Answer: 55.6°
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 38

Thursday 14 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 990 + 733

    Answer: 1723
  2. 2. Algebra

    Find the next term: 1, 2, 4, 7, ...

    Answer: 11
  3. 3. Geometry

    Adjacent = 28cm, hypotenuse = 44cm. Find the angle

    Answer: 50.5°
  4. 4. Ratio

    Calculate 10.3% of 269

    Answer: 27.71
  5. 5. Statistics

    The mean of 6 numbers is 37. If 5 of them are 43, 18, 21, 18, 36, what is the missing number?

    Answer: 86

Friday 15 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 108. What are the numbers?

    Answer: 35, 36, and 37
  2. 2. Algebra

    Simplify: 30x²y³ ÷ 5xy²

    Answer: 6xy
  3. 3. Geometry

    Adjacent = 25cm, hypotenuse = 44cm. Find the angle

    Answer: 55.4°
  4. 4. Ratio

    Calculate 43.7% of 251

    Answer: 109.69
  5. 5. Statistics

    A spinner has 3 red, 2 blue and 5 green sections. Probability of landing on red?

    Answer: 310