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Common Core Units 7-9

Everyday Math Grade 2

Name: _________________________

Teacher: _________________________

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Unit 9: Family LetterHOME LINK

8�8

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MeasurementIn Unit 9, children will explore measurements of various types. Your child will be asked to look for examples of measurements and measuring tools to bring to school for the Measures All Around Museum. The examples will help children appreciate the important role that measurement plays in everyday life.

Children will estimate and measure distances by inch, foot, and yard, as well as centimeter, decimeter, and meter. Children will learn that measurements are not always exact; they will use terms such as close to, between, and about when describing measurements. For closer or more exact measurements, children will measure to the nearest half-inch and half-centimeter.

In addition to measures of length, children will explore the areas of shapes using square inches and square centimeters. Children will also begin to develop a sense of the size of units of capacity and weight, such as cups and liters and pounds and kilograms.

Everyday Mathematics uses U.S. customary and metric units of measure. Although children make conversions within each system (length, capacity, or weight), they will not make conversions from one system to the other at this time.

Please keep this Family Letter for reference as your child works through Unit 9.

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9�3 Measuring Lengths continued

9. Draw pictures of two things you measured. Mark the parts you measured. Record the measurements under the pictures.

Practice

10. 231 11. 452 + 59 - 55

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Today your child explored the ideas of capacity and area. Before your child is exposed to formal work with these measures (such as equivalent units of capacity or formulas for finding area), it is important that he or she have an informal understanding of these measures.

In Problem 1, help your child see that although the glasses may have different dimensions, they can still hold about the same amount of water. In Problem 2, the number of squares that your child counts is the area in square centimeters.

Please return this Home Link to school tomorrow.

Family Note

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9�6 Capacity and Area

1. Find two different glasses at home that you thinkhold about the same amount of water. Test yourprediction by pouring water from one glass into theother. Do they hold about the same amount ofwater? Does one glass hold more than the other?Explain to someone at home how you know.

2. Count squares to find the area of each figure.

square centimeters square centimeters

Practice

3. 459 - 100 = 4. 594 + 200 =

5. 350 6. 460 + 50 - 59

69 70


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