Northwest Mathematics Conference 2012

1. FUNCTIONS ACROSS THE GRADES
Northwest Mathematics Conference
Victoria, BC ∙ October 19, 2012

2. CHRIS HUNTER
K-12 Numeracy Helping Teacher
School District No. 36 (Surrey)
hunter_c@surreyschools.ca

4. At a father-son golf tournament,
• fathers shake hands with each other
• fathers shake hands with sons
(except their own)
How many handshakes occur?

5. The “Classic” Handshake Problem
How many handshakes occur when there are n people?

6. The “Classic” Handshake Problem
n ( n − 1)
n C2 =
2
1 2 1
= n − n
2 2

7. Linear
Quadratic
Absolute Value
Logarithmic
Trigonometric

8. A different view…

10. [C] COMMUNICATION

11. [C] CONNECTIONS

12. [ME] MENTAL MATHEMATICS & ESTIMATION

13. [PS] PROBLEM SOLVING

14. [PS] PROBLEM SOLVING
Solving problems is not only a
GOAL of learning mathematics, but
also a major MEANS of doing so.
If students have already been
given ways to solve the problem, it
is not a problem, but…

15. practice.

16. [R] REASONING

17. [V] VISUALIZATION

18. [T] TECHNOLOGY

20. POSITIVE ATTITUDES IN MATHEMATICS
• enjoy & value mathematics
• develop mathematical habits of mind
• take risks
• exhibit curiosity
• make & correct errors
• persevere
• experience mathematics in non-threatening,
engaging ways
• understand & appreciate the role of mathematics
in human affairs

21. MATHEMATICAL PRACTICES
(not a Canadian Concern, Strictly Speaking)
1. Make sense of problems and persevere in solving
them.
2. Reason abstractly and quantitatively.
3. Construct viable arguments and critique the
reasoning of others.
4. Model with mathematics.
5. Use appropriate tools strategically.
6. Attend to precision.
7. Look for and make use of structure.
8. Look for and express regularity in repeated
reasoning.

31. Barbie Bungee

33. Barbie Bungee
Fawn Nguyen
http://fawnnguyen.com/

34. I’m a frayed knot.

35. Follow Up on Friday Bubbles
Fawn Nguyen
http://fawnnguyen.com/

36. The more sides you have, the greater your angles.
So, the smarter you are.
I’m a frayed knot.

46. Estimation 180
Andrew Stadel
http://www.estimation180.com/

47. Absolute Value Both Rigorous and in Context
Kate Nowak
http://function-of-time.blogspot.com/

49. “Into the Mystic”
Date Added: 08-10-13
Plays: 62
Last Played: 12-04-19

51. y = 0.84x − 1036
y = 0.84 ( x − 1233)
y − 63 = 0.84 ( x − 1308 )

54. Thank-you!

55. reflectionsinthewhy.wordpress.com
@ChrisHunter36