1. Number Talks! Sara Van Der Werf Minneapolis Public Schools
South High School
SW Math Conference 2016
twitter @saravdwerf
Number Talks!

3. cutco

4. ‘The quiet one.’
INTROVERT

5. 48 Rume bags

6. I saw a kid multiply 2 times
I know!
I saw a kid multiply 2 times
6 on his calculator.
Ugh!
These
kids don’t
know how
to multiply!

9. 2015
FAVORITE
MATH
BOOK

10. ?
What
is a Number Talk?

11. mentally solve
85-29

12. Possible Solution Strategies

13. A Number Talk is a short, ongoing daily routine that provides students with meaningful ongoing practice with computation:
keep Number Talks short, as they are not intended to replace current curriculum or take up the majority of the time spent on mathematics.
spend only 5 to 15 minutes on Number Talks
Talks are most effective when done everyday

14. EQUITY
&
ACCESS

15. 11th Grade Core Math Class
Goals:
Write quadratic equations.
Recognize and prove quadratic expressions are equivalent
Solve problems involving quadratics.

18. Without counting one by one, how many ducks are there?

33. Number String (Mental Math)
3 x 50 3 x x 149

34. True/False Number Talk

35. Dilemma Number Talk Kirsten says that 10xy-5xy + 4xy
equals xy
David says that 10xy-5xy + 4xy equals 9xy
*Introduce Dilemmas as a type of number talk
*What could come before and after this number talk. Give rationale.
Explain the mathematical reasoning that both David & Kirsten used to simplify the expression above. 35

36. Number Talk Examples Dot Patterns Mental Math Number Strings
True/False Statements
Dilemmas
Spatial Reasoning
What’s My Rule?
Error Analysis and Coaching
Cecilio

42. Number talks
Without counting the red circles one by one, how many red circles are in the picture?

44. READ THIS BOOK ASAP!

45. saravanderwerf.com twitter @saravdwerf
Resources:
saravanderwerf.com