Rational Number Project Home Page

Abridged for Grade Three
Cramer, K., Behr, M., Post T., Lesh, R., (2013) Rational Number Project: Initial Fraction Ideas
Abridged edition authors: Kathleen Cramer, Terry Wyberg, Susan Ahrendt, Debbie Monson, Christina Miller

Revised in 2009
Cramer, K., Behr, M., Post T., Lesh, R., (2009) Rational Number Project: Initial Fraction Ideas

Originally published as
Cramer, K., Behr, M., Post T., Lesh, R., (1997) Rational Number Project: Fraction Lessons for the Middle Grades - Level 1, Kendall/Hunt Publishing Co., Dubuque Iowa.


 

Rational Number Project
Initial Fraction Ideas

Abridged Edition for use with Third Graders

by

Kathleen Cramer

Merlyn Behr

Thomas Post

Richard Lesh

Abridged Edition Authors
Kathleen Cramer
Terry Wyberg
Susan Ahrendt
Debbie Monson
Christina Miller

 

This book, in its entirety, is available on this site.
The files are in .pdf format (Adobe Acrobat).
(To download a free copy of Adobe Acrobat Reader, click here.)

Click the links below to download the entire set of lessons or individual lessons.

Rational Number Project: Initial Fraction Ideas - Abridged for third grade
Click this link to download all the lessons - 174 pages - 6.9 MB
 
Teacher's Guide   24 pages 382 KB
Lesson 1 Exploring with Fraction Circles 4 pages 225 KB
Lesson 2

Modeling with Fraction Circles

5 pages 193 KB
Lesson 2.5 Modeling with Fraction Circles 5 pages 127 KB
Lesson 3 Modeling with Fraction Circles 5 pages 164 KB
Lesson 4 Comparing Paper Folding and Circles 18 pages 774 KB
Lesson 5 Connecting Models with Symbols 9 pages 446 KB
Lesson 6

Comparing Unit Fractions

6 pages 213 KB
Lesson 6.5 Comparing fractions with like numerators and like denominators 5 pages 319 KB
Lesson 7

Paper Folding and Comparing Fractions

6 pages 340 KB
Lesson 8 Fraction Circles and Equivalence 5 pages 254 KB
Lesson 9 Fraction Circles, Paper Folding and Equivalence 7 pages 381 KB
Lesson 10 Paper Folding and Equivalence 6 pages 242 KB
Lesson 11 Comparing Fractions to One-half 5 pages 336 KB
Lesson 12 Introducing the Chip Model 5 pages 201 KB
Lesson 13 Using the Chip Model 7 pages 266 KB
Lesson 14 Fraction Circles and Fractions Greater than One 6 pages 274 KB
Lesson 15 Number line and whole numbers 11 pages 523 KB
Lesson 16 Context, paper folding and number lines 18 pages 2.4 MB
Lesson 17 Translating from paper folding to a number line 9 pages 320 KB
Lesson 18 Translating from fraction circles to a number line 8 pages 382 KB

Fraction Circles

Flash Manipulatives - A set of virtual manipulatives created in conjunction with TPT (Twin Cities Public Television)

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