Math Extra

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Math Extra is a parent volunteer Dave Barker, coming into Sagamore Hills Elementary School once a week during normal math class to give some extra math.

Next

Meetings

2017-03-16

  1. Bennett shares a math problem finding missing side links of a right-angled polygon
  2. Dave talks about pi (because Pi Day was a couple days ago):
    1. How date work around the world and how their Pi Days could be different
    2. 22/7 as an approximation
    3. pi in things that don't look like circles, like infinite series (π/4 = 1 - 1/3 + 1/5 - 1/7 + 1/9 - …)
  3. Watch pi videos!
    1. Pi and the size of the Universe - Numberphile
    2. Pi Is (still) Wrong.
    3. A Song About A Circle Constant

2017-03-02

  1. Create an equivalent fractions problem and doodle, pass to other student, solve problem and add to doodle, repeat 4 times
  2. Hexaflexagon Series

2017-02-23

  1. Ms Lockwood equivalent fractions
  2. Math Stars (vol. 4 no. 7) as others finished up
    1. Reviewing mean, median, mode
  3. Imaginary Numbers Are Real [Part 9: Closure]

2017-02-09

  1. Ms Lockwood's test review sheet, division word problems
  2. Math Stars (vol. 4 no. 6) as others finished up
  3. Videos
    1. The Order of Operations is Wrong
    2. Transformations of the Number Line
    3. Base Number Jokes Explained - Numberphile
    4. Math Jokes Explained - Numberphile

2017-01-26

  • Reviewed what the kids are doing in class
  • Explore:
    • What numbers are
    • Different systems of representation (Mayan base 20)
    • Explore bases (10, 2, 3, 12, 8)
    • Order of operations

Videos

See also