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About the Mathematics in This Unit

Benchmarks/Goals Examples
Divide 2-D shapes into halves, thirds, and fourths. A square with a diagonal line through the middle of it. A rectangle divided into 3 thinner rectangles. A circle divided into 4 equal segments.
Recognize that [halves] of the same whole can look different. A square with a diagonal line through the middle of it. Another square with a horizontal line through the middle of it. Handwritten text reads: Both show halves.

In class, students engage in math problems and activities. They are frequently asked to share their thinking about a given problem. What is most important is that children accurately solve math problems in ways that make sense to them. At home, encourage your child to explain the math thinking that supports those solutions. In the coming weeks, you will receive more information about our work in this unit as well as suggestions for activities to do at home.


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Table of Contents

Investigations 3 in Number, Data, and Space®, Student Activity Book Unit 1 Coins, Number Strings, and Story Problems Unit 2 Attributes of Shapes and Parts of a Whole Unit 3 How Many Stickers? How Many Cents? Unit 4 Pockets, Teeth, and Guess My Rule Unit 5 How Many Tens? How Many Hundreds? Unit 6 How Far Can You Jump? Unit 7 Partners, Teams, and Other Groups Unit 8 Enough for the Class? Enough for the Grade?