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Investigating Fractions, Decimals, and Percents (Grades 4–6) examines fundamental topics such as equivalence of fractions, operations with fractions, proportional reasoning, rates, and the ordering of decimals.

Investigating Fractions, Decimals, and Percents includes

Overview Unit Books Posters Resource Guide
Resources CD-ROM

An Overview book explains the series’ philosophy and components, outlines the contents of each unit, and describes how to integrate the series into your existing curriculum.

Five unit books each comprise a two-week sequence of investigations, games, and minilessons that foster a deep conceptual understanding of essential mathematical ideas.

  • Field Trips and Fund-Raisers: Introducing Fractions
  • The California Frog-Jumping Contest: Algebra
  • The Mystery ofthe Meter: Decimals
  • Best Buys, Ratios, and Rates: Addition and Subtraction of Fractions
  • Exploring Parks and Playgrounds: Multiplication and Division of Fractions

Sixteen posters set the stage for learning with rich imaginable contexts designed around landmark numbers and meaningful number relationships.

A yearlong resource guide provides strings of related problems that develop students’ deep number sense and expand their repertoire of strategies for mental arithmetic.

  • Minilessons for Operations with Fractions, Decimals, and Percents

A Resources CD-ROM supports your math workshop with a range of video and print resources.


Grades K–3
 
Grades 3–5
 
Grades 4–6