NAME ______________________________ DATE _______________

FAMILY LETTER

(PAGE 1 OF 2)

About the Mathematics in This Unit

Dear Family,

Our class is starting a new unit in mathematics called Counting Quantities, Comparing Lengths. The focus of this unit is on counting and comparing quantities and beginning to explore measurement by directly comparing objects to see which is longer.

Throughout this unit, students will be working toward these goals:

BENCHMARKS/GOALS EXAMPLES
Count and count out a set of up to 10 objects.

How many buttons are there?

A set of objects: button, button, button, button, button, button, button, button, button, button.

“Can you count out 8 pencils?”

Describe length and decide which of two objects is longer.

Which is longer?

A set of 2 objects: a cube train and a pencil. d

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Table of Contents

Investigations 3 in Number, Data, and Space®, Student Activity Book Unit 1 Counting People, Sorting Buttons Unit 2 Counting Quantities, Comparing Lengths Unit 3 Make a Shape, Fill a Hexagon Unit 4 Collect, Count, and Measure Unit 5 Build a Block, Build a Wall Unit 6 How Many Now? Unit 7 How Many Noses? How Many Eyes? Unit 8 Ten Frames and Teen Numbers