Download Adding Nines

MLSN
2008 - 2009
Change
KSI
Leadership
Assessment
Number Sense
Math Leadership Support Network ’08-’09
Two
Feet
Cell
Phones
GROUP
NORMS
Sidebars
Participate
Math Leadership Support Network ’08-’09
Agenda







Advance Organizer
Conceptual Change Model
Literature Connection
Assessment – How to Grade…
Literature Connection
Number
Change Leadership/KSI
Math Leadership Support Network ’08-’09
Advance Organizer
Focus for today:
Number – How can composing and decomposing
numbers improve student understanding of
multiplication, division, and related properties
Leadership/KSI – Where am I in my efforts to
implement the Seven Disciplines for
Strengthening Instruction? How can I use
Progress Monitoring and Probes to improve
instruction?
Math Leadership Support Network ’08-’09
Advance Organizer
Focus for today:
Assessment/Grading – What are the principles
on which your grading practices are based?
What future revisions in your grading practice
are you considering?
Conceptual Change Model – What are the six
critical components in the Conceptual Change
Model?
Math Leadership Support Network ’08-’09
Math Leadership Support Network ’08-’09
WHY DO MANY CITIZENS
OF THE UNITED STATES
THINK THAT SOME HAVE
THE MATH GENE AND MOST
DO NOT?
Math Leadership Support Network ’08-’09
DO YOU AGREE THAT
BASIC mathematical competency
includes the ability to
– Reason and validate reasoning
– Solve problems
– Apply and communicate mathematically
– Understand various ways to represent
mathematics and
– Use technology
Math Leadership Support Network ’08-’09
TEXTBOOK
QUESTIONS

With a partner, discuss the following:
– How is your textbook chosen?
– How often do your students read the text?
– What is the value of textbook examples?
Math Leadership Support Network ’08-’09
Supports and Resources
Following each section including
the preface there are
references with notable authors
and researchers.
Math Leadership Support Network ’08-’09
Textbook/Resources
– How do you use the auxiliary materials
that accompany your textbook?
– Rate the overall value for learning of your
textbook on a scale from 1 to 10
Math Leadership Support Network ’08-’09
Seeing a Difference
List four (4) ways research-based
best practices
conflict with the traditional textbook
and teaching methods.
Math Leadership Support Network ’08-’09
Conceptual Change Model
Commit to an outcome
Confront beliefs
Extend beliefs
Math Leadership Support Network ’08-’09
Conceptual Change Model
continued …
Accommodate the concepts
Extend the concept
Go beyond
Math Leadership Support Network ’08-’09
Activity: Adding Nines
Samantha watched a snail move across
her patio one afternoon. She discovered
that it took one hour for the snail to
travel nine (9) centimeters.
If it kept traveling at the same speed, how
far do you think it traveled in six (6) hours?
Commit to an estimate.
Math Leadership Support Network ’08-’09
Adding Nines
Pair ‘n’ Share your estimate
Math Leadership Support Network ’08-’09
Adding Nines
Justify your answer using only addition
and subtraction.
Through discussion at your table,
how many different ways did the
group answer the question?
Math Leadership Support Network ’08-’09
Adding Nines
Record on chart paper the different
methods used in the group.
Math Leadership Support Network ’08-’09
Adding Nines
Would these strategies work if we
were adding sevens (7s)?
Math Leadership Support Network ’08-’09
Adding Nines
Create an original problem that you
could use to illustrate this concept.
Math Leadership Support Network ’08-’09