Investigations 3 in Number, Data, and Space, Student Activity Book [Grade 5]

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About the Mathematics in This Unit

Dear Family,

Our class is starting a new mathematics unit about multiplication and division of fractions and decimals called Races, Arrays, and Grids. In this unit, students solve multiplication and division problems that involve fractions and decimals. They also convert measurements within the metric and U.S. standard measurement systems.

Throughout the unit, students work toward these goals:

Benchmarks/Goals Examples
Multiply fractions, mixed numbers, and whole numbers.

Alicia owns 3 fourths of a section of land. She plants pumpkins on 2 thirds of her land. What fraction of the entire section is planted with Alicia's pumpkins?

A 3 by 4 grid with shaded and unshaded squares. d
Compare the size of the factors and the size of the product and explain their relationship. On Tuesday, Margaret biked 3 fourths of a bike path that is 32 miles long. Without finding out exactly how many miles she rode, did she ride more or less than 32 miles? How do you know?
Divide a unit fraction by a whole number and a whole number by a unit fraction.

Yumiko has 6 cups of flour. If she needs 1 third cup of flour for 1 jumbo muffin, how many jumbo muffins can she make?

A student drawing of 6 fraction bars. Each bar is divided into 3 equal pieces. The pieces are numbered from 1 to 18. Handwritten text below the drawing reads: 6 divided by one-third equals 18.


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Table of Contents

Investigations 3 in Number, Data, and Space®, Student Activity Book Unit 1 Puzzles, Clusters, and Towers Unit 2 Prisms and Solids Unit 3 Rectangles, Clocks, and Tracks Unit 4 How Many People and Teams? Unit 5 Temperature, Height, and Growth Unit 6 Between 0 and 1 Unit 7 Races, Arrays, and Grids Unit 8 Properties of Polygons