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For: Math Teachers, Math Department Heads, Team Leaders, Math Curriculum
Coordinators and Math Special Educators
Teaching Rates, Ratios, and Proportional
Reasoning in Grades 6—8
Featuring TEACHERS21
Workshop Trainer
Polina Sabinin
Wednesday, June 3, 2015
At the MSSAA Office, Franklin
6-10 PDPs
STEM
Sign-In/Registration: 8:00 am to 8:30 am
Workshop: 8:30 am to 3:00pm
Fees: Member $195/Non-Member $260
Proportional reasoning is a central component of the Common Core Mathematics Standards in grades 6—
8. It is the pillar on which students build their understanding of multiplicative relationships, linear functions,
as well as non-linear functions. This workshop will explore hands-on activities and problems that offer
students the opportunities to make sense of these central concepts and to connect new ideas to what they
already know from elementary school.
Many students’ misconceptions have their roots in the area of rates, ratios, and proportionality. We will
also discuss the areas where these misconceptions are most likely to arise and how to select activities
which allow students to grapple with these misconceptions and to correct their thinking.
Throughout the workshop, participants will be provided with a variety of refreshing Common Core aligned
activities and strategies for use in their classrooms in developing students’ Mathematical Practices and
stimulating further thought.
Participants will:
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Explore the connections and differences between rates, ratios, and proportions.

Analyze students’ misconceptions about rates, ratios, and proportions and how to select activities
which help them correct their thinking.
Explore a variety of Common Core aligned classroom activities to engage all middle school students.

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Experience activities from different stages of the students’ learning progression in the area of rates,
ratios, and proportions.
Experience the Standards for Mathematical Practice in action.
Polina Sabinin is an Assistant Professor of Mathematics at Bridgewater State University. Polina has served as the
Associate Director of the Center for Mathematics Achievement at Lesley University and edited a mathematics text for
Pearson Addison-Wesley. She is currently co-authoring LogicGym, a teacher’s manual that introduces students to
logic through an engaging visual game. Polina is the Past-President of the Massachusetts Mathematics Association of
Teacher Educators (MassMATE) and former Newsletter Chair for the Association of Teachers of Mathematics in
Massachusetts. She earned her Bachelor of Science in biology and mathematics from the University of Calgary where
she also earned a Master’s degree in oncology. Her doctorate research focused on the development of algebraic and
proportional reasoning.
Massachusetts Secondary School Administrators’ Association ~ 33 Forge Parkway, Franklin, MA 02038
Workshop Contact: Linda Taylor ~ Phone: (508) 541-9832 ~ Fax: (508) 541-9888 ~ E-mail: [email protected]
MSSAA Workshop Registration Policies
Early Bird Discount
10% Off
If we receive your registration
AT LEAST one month prior
to the workshop date
Cancellation: Cancellations received up to 72 hours before
the workshop will be honored. If you do not cancel and do
not attend, you are responsible for full payment.
Inclement Weather: If the weather is uncertain, please
check the website at www.mssaa.org after 6:15 a.m. on the
morning of the workshop or call the MSSAA front desk at
(508) 541-7997 for updates.
DIRECTIONS TO MSSAA
For written directions to our office please visit:
http://www.mssaa.org/directions
Confirmation: If you have not received an email confirming
your acceptance within a few days of registering, please
contact Linda Taylor at (508) 541-9832 or
[email protected]. This printed email is proof of
registration.
Group Discount: Schools or Districts sending in three or
more registrations together via the same method (online,
mail, or fax) qualify for a discount of $20 per person per
workshop.
“Umbrella”: Teachers may register at the member rate if
their building principal is an MSSAA Member.
Teaching Rates, Ratios, and Proportional Reasoning in Grades 6—8
Wednesday, June 3, 2015
Fees: Member $195/Non-Member $260
Name: ____________________________________________________________
School: _______________________________________Position: _______________________
Address: _____________________________________________________________________
City: ___________________________________ State: ____ Zip: _________
Phone & Ext: _______________________________________
Cell Phone (for emergency/cancellation text updates): __________________________________________
Email (mandatory): ___________________________________
Program fee includes training, training materials, continental breakfast and lunch!
Total Registration Fee: $_______________________
Check or Purchase Order #: ______________________
Credit cards accepted on the day of the workshop: Visa, MasterCard
Return this form to: Linda Taylor, MSSAA, 33 Forge Parkway, Franklin, MA 02038
or fax to: MSSAA, Attention: Linda Taylor (508) 541-9888
Register online at http://mssaa.org/professionaldevelopment
Earn four additional PDPs (per day) by using workshop content in your school or district! Information on
earning additional PDPs will be included in your workshop packet. Participants may combine PDPs
earned for workshops in the same strand.