INTERMATH | Rational Numbers Workshop


August 26, 2008 through December 16, 2008


Program: Rational Numbers - Tuesday - Fall, 2008
Location: Board of Education Office
Instructor and
Contact Information:
Rachael Brown


The purpose of this course is for teachers to:

The participants in this course will be expected to:


As a result of this course, participants will demonstrate their ability to:


Tuesday, August 26- Week 1  Introduction             

  1. Introduction to InterMath
  2. Talking Points Quiz
  3. Group investigations

Tuesday, September 9 - Week 2   Parts             

  1. Group investigations

    Introduction to Fraction Bars

  2. Individual Investigation

    Beaker Comparison

Tuesday, September 16 - Week 3   More Parts!

  1. Group investigations

    Introduction to Fraction Bars (again!)

  2. Individual Investigations:

    Surrounding Numbers
    Fractional Parts
    Pandigital Fraction

Tuesday, September 23 -Week 4   Parts of Parts

  1. Group investigations

    Where is that Fraction?

    Fraction Situations

  2. Individual Investigations:

    Can you tell?
    Fraction Figures
    Let's Operate on Fractions

Tuesday, September 30- Week 5  Pesky Parts I

  1. Group Investigations
    Cans and Containers
    Exploring Division with Fractions

  2. Individual investigations

    Division Pattern
    Jacob's Idea

Tuesday, October 7- Week 6  Pesky Parts II

  1. Group investigations
    What does 3 divided by 1/2 look like?
    Juice Containers

  2. Individual Investigations

The Meaning of 1/3
Natasha's Idea

Tuesday, October 14 - Week 7  Decimal Multiplication

  1. Group Invesigations

    Estimating the Point
    Decimals as Arrays

  2. Individual Investigations

    Decimal Diagram
    Moving the Point
    Partial Products & Decimals

Tuesday, October 21 - Week 8  Decimal Division

  1. Group Investigations

    Two Models of Decimal Division
    Let's Help Ms. Lee

  2. Individual Investigations

    Cliff or Evelyn?
    Joel's Solution

Tuesday, October 28- Week 9  Recap

  1. Group Investigations

    Base-Ten Block Multiplication
    Exploring Multiplication with Fractions
    Two Interpretations of Decimal Division
    Division Situations

Tuesday, November 4- Week 10   Ratios

  1. Group Investigations

    Adding Ratios
    Which is Larger?
    Jumping Monkeys

  2. Individual Investigations

    Boys and Girls in the Class
    How Does Zero Fit In?
    Laurel's Muffins
    Ratio of a + b to b + c

Tuesday, November 18 - Week 11   Proportions

  1. Group Investigations

    Purple Paint

  2. Individual Investigations

    Which Movie is Best?
    Fair Share
    Drink Mixes

Tuesday, December 2- Week 12  Inverse Proportions

  1. Group Investigations

    Proportions and Graphs

  2. Individual Investigations


Tuesday, December 9- Week 13 Mathematical Connections

  1. Group Investigations

Modeling Proportions
Mathopia Farm

Tuesday, December 16- Week 14  Rational Number Mania

  1. Rational Number Discussion