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Chapter 9 one hundred sixty-nine P169

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Chapter 9

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Dear Family,My class started Chapter 9 this week. In this chapter, I will learn how to identify, name, and describe two-dimensional shapes.

Love,

LiteratureLook for these books at the library. The pictures will capture your child’s imagination.

Shapes, Shapes, Shapesby Tana Hoban.Greenwillow, 1996.

Color Farmby Lois Ehlert. HarperCollins, 1990.

Chapter

9

Vocabulary

curve a line that is rounded

vertex the point where two sides of a two-dimensional shape meet

Home Activity

Spread out a group of household objects. Have your child point out the objects that look like circles, squares, and triangles.

vertex

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%JCRVGT�����.GUUQP��� three hundred fi fty-seven 357

DIRECTIONS Place two-dimensional shapes on the page. Identify and name the circles. Sort the shapes by circles and not circles. Trace and color the shapes on the sorting mat.

Identify and Name Circles'UUGPVKCN�3WGUVKQP� How can you identify and name circles?

Lesson 9.1

EKTENGU PQV�EKTENGU

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Share and Show

358 three hundred fi fty-eight

&+4'%6+105� ��� Mark an X on all of the circles.

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&+4'%6+105� �� Color the circles in the picture.

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Model ü Reason ü Make SenseMATHEMATICALPRACTICES

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360 three hundred sixtyFOR MORE PRACTICE:Standards Practice Book, pp. P171–P172

HOME ACTIVITY���*CXG�[QWT�EJKNF�UJQY�[QW�CP�object that is shaped like a circle.

&+4'%6+105� ��� Which shape is a circle? Mark an X on that shape. �� Draw to show what you know about circles. Tell a friend about your drawing.

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Chapter 9 one hundred seventy-one P171

Lesson 9.1

Identify and Name Circles

DIRECTIONS 1. Color the circles in the picture.

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P172 one hundred seventy-two

Lesson Check

Spiral Review

DIRECTIONS 1. Which shape is a circle? Mark under your answer. (Lesson 9.1) 2. Which set of numbers is in order? Mark under your answer. (Lesson 8.3) 3. Which number completes the addition sentence about the sets of cats? Mark under your answer. (Lesson 5.7)

17, 18, 16 18, 16, 17 16, 17, 18 16, 18, 17

5 1 3 5 5 6 7 8

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%JCRVGT�����.GUUQP��� three hundred sixty-one 361

DIRECTIONS Use your finger to trace around the circle. Talk about the curve. Trace around the curve.

Describe Circles'UUGPVKCN�3WGUVKQP� How can you describe circles?

Lesson 9.2

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&+4'%6+105� ��� Use your finger to trace around the circle. Trace the curve around the circle. �� Color the object that is shaped like a circle.

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%JCRVGT�����.GUUQP��� three hundred sixty-three 363

&+4'%6+105� �� Use a pencil to hold one end of a large paper clip on one of the dots in the center of the page. Place another pencil in the other end of the paper clip. Move the pencil around to draw a circle.

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Model ü Reason ü Make SenseMATHEMATICALPRACTICES

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FOR MORE PRACTICE:Standards Practice Book, pp. P173–P174

*1/'�#%6+8+6;�� Have your child describe a circle.

DIRECTIONS I have a curve. What shape am I? Draw the shape. Tell a friend the name of the shape.

364 three hundred sixty-four

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Chapter 9 one hundred seventy-three P173

Lesson 9.2

DIRECTIONS 1. Use a pencil to hold one end of a large paper clip on one of the dots in the center. Place another pencil in the other end of the paper clip. Move the pencil around to draw a circle. 2. Color the object that is shaped like a circle.

Describe Circles

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P174 one hundred seventy-four

Lesson Check

Spiral Review

50 60 70 80

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9 10 11 12

DIRECTIONS 1. Which shape has a curve? Mark under your answer. (Lesson 9.2) 2. Point to each set of 10 as you count by tens. Mark under the number that shows how many grapes there are. (Lesson 8.8) 3. How many tiles are there? Mark under your answer. (Lesson 7.2)

© Houghton Mifflin Harcourt Publishing Company

Name

Grade KE69Enrich

Lesson 9.1Enrich

DIRECTIONS 1. Trace the fi sh and draw an underwater world using circles. Color your circles red. Then color the picture using other colors.

Draw Sea Circles

© Houghton Mifflin Harcourt Publishing Company

Name

Grade KE70Enrich

Lesson 9.2Enrich

DIRECTIONS 1–3. Finish each picture by completing the circle shape. Color the circle shapes.

Complete the Circle

© Houghton Mifflin Harcourt Publishing Company

Name

Grade KR69Reteach

Lesson 9.1Reteach

Identify and Name Circles

DIRECTIONS 1. Place a circle on each shaded circle. Color the other circles in the picture.

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Grade KR70Reteach

Lesson 9.2Reteach

Describe Circles

DIRECTIONS 1. Finish coloring the object that is shaped like a circle. 2. Color the object that is shaped like a circle.