Math Extra

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

• Imaginary Numbers Are Real [Part 9: Closure]

Meetings

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 25)
  • Explore bases (10, 2, 3, 12, 8)
  • Order of operations

Videos

• Order of Operations (PEMDAS)
  • PEMDAS is Wrong! - The True Order of Operations: Part 1 [fbt]
  • Introduction to order of operations | Arithmetic properties | Pre-Algebra | Khan Academy
  • Order of operations: PEMDAS | Arithmetic properties | Pre-Algebra | Khan Academy
  • The Order of Operations is Wrong
• Operations on the number line
  • Transformations of the Number Line
• Fractals
  • Fractals are not self-similar
• Math
  • Imaginary Numbers Are Real [Part 9: Closure]
  • The Map of Mathematics

• Fun!
  • Base Number Jokes Explained - Numberphile
  • Math Jokes Explained - Numberphile

See also

• Math resources