INTERMATH | Rational Numbers Workshop


September 8, 2008 through December 15, 2008


Program: Rational Numbers - Monday - Fall, 2008
Location: King Middle School
Instructor and
Contact Information:
Laurel Bleich


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:


Monday, September 15- Week 1  Introduction             

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

Monday, September 22 - Week 2   Parts             

  1. Group investigations

    Introduction to Fraction Bars

  2. Individual Investigation

    Beaker Comparison

Monday, September 29 - Week 3  More Parts!

  1. Group investigations

    Introduction to Fraction Bars (again!)

  2. Individual Investigations:

    Surrounding Numbers
    Fractional Parts
    Pandigital Fraction

Thursday, October 9-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

Monday, October 13- Week 5  Pesky Parts I

  1. Group Investigations
    Cans and Containers
    Exploring Division with Fractions

  2. Individual investigations

    Division Pattern
    Jacob's Idea

Monday, October 20 - 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

Monday, October 27 - Week 7  Decimal Multiplication

  1. Group Invesigations

    Estimating the Point
    Decimals as Arrays

  2. Individual Investigations

    Decimal Diagram
    Moving the Point
    Partial Products & Decimals

Monday, November 3- 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

Monday, November 10- Week 9  Recap

  1. Group Investigations

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

Monday, November 17- 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

Monday, November 24 - Week 11   Proportions

  1. Group Investigations

    Purple Paint

  2. Individual Investigations

    Which Movie is Best?
    Fair Share
    Drink Mixes

Monday, December 1- Week 12  Inverse Proportions

  1. Group Investigations

    Proportions and Graphs
    Exploring Rectangle Propoerties
  2. Individual Investigations


Monday, December 8 - Week 13 Mathematical Connections

  1. Group Investigations

Modeling Proportions

Monday, December 15- Week 14  Rational Number Mania

  1. Rational Number Discussion
    Mathopia Farm