NUMBER TALKS Sara Van Der Werf Minneapolis Public

NUMBER TALKS! Sara Van Der Werf Minneapolis Public Schools South High School SW Math Conference 2016 sarav@mpls. k 12. mn. us 612 -600 -6307 twitter @saravdwerf

CUTCO

‘The quiet one. ’

4 8

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

2015 FAVORIT E MATH BOOK

? What is a Number Talk?

mentally solve 85 -29

Possible Solution Strategie s

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

EQUITY & ACCESS

TH 11 GRADE CORE MATH CLASS Goals: §Write quadratic equations. §Recognize and prove quadratic expressions are equivalent §Solve problems involving quadratics.

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

NUMBER STRING (MENTAL MATH) 3 x 50 3 x 100 3 x 149

TRUE/FALSE NUMBER TALK •

DILEMMA NUMBER TALK David says that 10 xy 5 xy + 4 xy equals 9 xy Kirsten says that 10 xy -5 xy + 4 xy equals xy Explain the mathematical reasoning that both David & Kirsten used to simplify the expression above.

NUMBER TALK EXAMPLES Dot Patterns Mental Math Number Strings True/False Statements Dilemmas Spatial Reasoning What’s My Rule? Error Analysis and Coaching

NUMB ER TALKS Without counting the red circles one by one, how many red circles are in the picture?

READ THIS BOOK ASAP!

RESOURCES: saravanderwerf. co m twitter @saravdwerf