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11

Dear Family,

Our class started Chapter 11 this week. In this chapter , we will learn about geometric shapes. We will also learn about repeating patterns and growing patterns.

Love,

Chapter

Vocabulary Power

pattern unit The part that repeats in a

repeating pattern

Home Activity

Go on a pattern hunt around your home or neighborhood with your child. Look for patterns in nature and in decorations or clothing you have.

This pattern unit is three shapes long.

side A line segment of a shape.

vertex A point where 2 sides meet

© Houghton Mifflin Harcourt

Literature

Reading math stories reinforces ideas. Look for these books at the library. Chapter 11 Three Pigs, One Wolf, Seven Magic Shapes by Grace Maccarone. Cartwheel, 1998. Pattern Fish by Trudy Harris. Millbrook Press, 2000.

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11

Querida familia:

Nuestra clase comenzó esta semana el Capítulo 11. En este capítulo, aprenderemos sobre las f iguras geométricas. También aprenderemos sobre los patrones que se repiten y los patrones acumulativos. Con cariño,

Capítulo

El poder del vocabulario

unidad de patrón La parte repetitiva en

un patrón que se repite

Actividad para la casa

Organicen una búsqueda de patrones en su casa o su vecindario. Busquen patrones en la naturaleza, en las decoraciones de la casa o en la ropa que vistan.

La Unidad de patrón mide tres figuras de largo. lado Un segmento de una figura.

vértice Un punto donde convergen 2 lados.

Leer cuentos de matemáticas refuerza los conceptos. Busquen estos libros en la biblioteca.

Three Pigs, One Wolf, Seven Magic Shapes

por Grace Maccarone. Cartwheel, 1998.

Pattern Fish

por Trudy Harris. Millbrook Press, 2000.

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© Houghton Mifflin Harcourt

Literatura

Name

Lesson 11.1

MA.2.A.2.4 Solve addition and

subtraction problems that involve measurement and geometry.

Geometric Shapes

Draw the shapes. Write a number sentence to find the total number of sides or vertices.

1. Draw 3 rectangles.

-- --

2. Draw 2 triangles and 1 rectangle.

Total: -- sides

-- --

3. Draw 2 squares and 2 rectangles.

Total: -- vertices

-- --

4. Draw 2 squares and 3 triangles.

Total: -- vertices

-- --

Total: -- sides

5. Steve drew 3 squares and 3 triangles.

© Houghton Mifflin Harcourt

How many sides did Steve draw in all?

-- sides

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Lesson Check

(MA.2.A.2.4)

1. How many sides do these

2. How many vertices do these

shapes have in all?

shapes have in all?

A 2 sides B 5 sides

C 6 sides D 7 sides

(MA.2.G.5.4)

F 6 vertices G 5 vertices

H 4 vertices I 2 vertices

Review Grade 2

3. Nina buys 3 bananas.

4. Each kitten weighs

Each banana weighs 8 ounces. What is the total weight of the bananas?

2 pounds. There are 5 kittens. How much do the kittens weigh altogether?

A 5 ounces

C 24 ounces

F 3 pounds G 7 pounds

H 10 pounds I 15 pounds

B 11 ounces D 38 ounces

Look Back

4 vertices?

(MA.1.G.3.1)

5. Which shape has exactly

6. Which shape has fewer than

4 sides?

A B C D P246

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F G H I

© Houghton Mifflin Harcourt

Name

Lesson 11.2

MA.2.G.5.1 Use geometric models to

demonstrate the relationships between wholes and their parts as a foundation to fractions.

Wholes and Parts

Make the shape of the whole. Trace the blocks you used.

1. Use

to make the

.

Trace the

you used.

whole

2. Use

--

parts

to make the

.

Trace the

you used.

whole

--

parts

Use pattern blocks.

© Houghton Mifflin Harcourt

3. How many

does it ?

-- triangles

take to make 2

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Lesson Check

(MA.2.G.5.1)

1. How many triangles were

2. How many triangles were

used to make this shape?

used to make this shape?

A 1 B 2

C 3 D 4

(MA.2.G.5.4)

F 6 G 5

H 4 I 3

Review Grade 2

3. The mass of each orange is

4. Mr. Benson put 5 books in

100 grams. What is the mass of 4 oranges?

a box. Which is most likely to be the mass of the box of books?

A B C D

4 grams 400 grams 40 kilograms 400 kilograms

(MA.1.G.3.2)

F G H I

5 grams 50 grams 5 kilograms 500 kilograms

Look Back

5. How many

are used to ?

6. How many

are used to ?

make 2

make 2

A 1 B 2 P248

C 3 D 4

F 2 G 4

H 6 I 8

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© Houghton Mifflin Harcourt

Name

Lesson 11.3

MA.2.G.5.1 Use geometric models to

demonstrate the relationships between wholes and their parts as a foundation to fractions.

Combine Shapes

Use pattern blocks to show the whole. Draw lines to show the equal parts. Write how many blocks make up the whole.

1. Use

.

How many

2. Use

make up the whole?

--

.

How many

make up the whole?

--

3. Make one large

using only

.

Draw a picture to show what you did.

© Houghton Mifflin Harcourt

Chapter 11

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Lesson Check

1. How many

(MA.2.G.5.1) (zStandards)

make up the whole?

2. How many

make up the whole?

A 1 B 2

C 3 D 4

(MA.2.G.5.4)

F 6 G 5

H 4 I 3

Review Grade 2

A B C D

1 cup 1 gallon 1 pint 1 quart

3. Which is the least capacity?

4. Which is the greatest capacity?

F G H I

1 pint 2 gallons 1 quart 2 cups

Look Back

5. How many

(MA.1.G.3.2)

does it take to ?

6. How many

does it take to ?

make 1

make 2

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© Houghton Mifflin Harcourt

A 3 B 6

C 7 D 8

F 6 G 10

H 12 I 14

Name

Lesson 11.4

MA.2.G.5.1 Use geometric models to

demonstrate the relationships between wholes and their parts as a foundation to fractions.

Equal Parts

Write how many equal parts there are in the whole. Write if these parts are halves, thirds, or fourths.

1. 2.

3.

-- equal parts --

4. 5.

-- equal parts --

6.

-- equal parts --

-- equal parts --

7. 8.

-- equal parts --

9.

-- equal parts --

-- equal parts --

-- equal parts --

-- equal parts --

Solve. Write or draw to explain.

© Houghton Mifflin Harcourt

10. Amelia wants to divide a pizza into

4 equal parts. Show how she can do it.

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Lesson Check

in the whole?

(MA.2.G.5.1)

1. How many equal parts are

2. How many equal parts are

in the whole?

A 1 B 2

C 3 D 4

(MA.2.G.5.4)

F 1 G 2

H 3 I 4

Review Grade 2

of a water bottle?

3. Which is most likely the capacity

4. Which is most likely the capacity

of a fish tank?

A B C D

1 milliliter 25 milliliters 1 liter 25 liters

(MA.1.G.3.1)

F G H I

10 milliliters 25 milliliters 2 liters 35 liters

Look Back

sides?

5. Which shape has exactly 3

6. Which shape has exactly 4

vertices?

A B

C D

F G

H I

© Houghton Mifflin Harcourt

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Name

Lesson 11.5

MA.2.A.4.3 Generalize numeric

and non-numeric patterns using words and tables.

Algebra: Make Predictions for Repeating Patterns

Make a prediction. Draw shapes to continue the pattern. Check your prediction.

1. Which shape will be in the 10th position?

A

--

1st 2nd 3rd

will be in the 10th position.

4th 5th 6th 7th 8th 9th 10th

2. Which shape will be in the 11th position?

A

--

1st 2nd 3rd

will be in the 11th position.

5th 6th 7th 8th 9th 10th 11th

4th

3. Which shape will be in the 11th position?

A

--

1st 2nd 3rd

will be in the 11th position.

5th 6th 7th 8th 9th 10th 11th

4th

© Houghton Mifflin Harcourt

4. Eileen is making a beaded necklace.

Draw the next bead in her patterned set.

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Lesson Check

1st 2nd

(MA.2.A.4.3)

1. Which shape will be in the 10th position? 3rd 4th 5th 6th 7th 8th 9th 10th

A

B

(MA.2.A.4.1)

C

D

Review Grade 2

pattern.

2. Complete the skip counting

3. Complete the skip counting

pattern.

20, 22, 24, 26, --

F 21 G 25 H 27 I 28

(MA.1.A.4.1)

3, 6, 9, 12, --

A 11 B 14 C 15 D 16

Look Back

4. What shape is missing in this pattern?

F

G

H

I

5. What shape is missing in this pattern?

© Houghton Mifflin Harcourt

A P254

B

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C

D

Name

Lesson 11.6

MA.2.A.4.3 Generalize numeric

and non-numeric patterns using words and tables.

Algebra: Translate Repeating Patterns

Use different symbols. Show the same pattern in two other ways.

1.

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

2.

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

3.

A

B

B

C

A

B

B

C

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

4. Draw shapes to make a pattern. Then use different

symbols to show your pattern in another way.

© Houghton Mifflin Harcourt

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

Chapter 11 two hundred fifty-five

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Lesson Check

(MA.2.A.4.3)

1. What should the next three cards

A

B B

A B A C

B B A D

B B B E

in the pattern be? A B B A B B A

B C D

Review Grade 2

1st 2nd

(MA.2.A.4.3)

2. What should be the 7th number in the pattern? 3rd 4th 5th 6th 7th

40

F 40

38

36

G 37

34

H 31 I 28

3. What should be the 9th number in the pattern? 1st 2nd 3rd 4th 5th 6th 7th 8th 9th

25

A 55

30

35

B 60

40

45

50

D 70

C 65

Look Back

(MA.1.A.4.1)

4. What shape is missing in this pattern?

© Houghton Mifflin Harcourt

F P256

G

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H

I

Name

Lesson 11.7

MA.2.A.4.3 Generalize numeric

and non-numeric patterns using words and tables.

Algebra: Extend Growing Patterns

Draw what might come next in the pattern.

1.

--

2.

--

3.

--

4.

--

Solve. Draw to explain.

© Houghton Mifflin Harcourt

5. Ms. Lennox is building a display of

soup cans in her store. Draw what might come next in the pattern.

Chapter 11

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Lesson Check

in the pattern?

(MA.2.A.4.3)

1. Which might come next

A B C D

Review Grade 2

in this pattern?

(MA.2.A.1.1)

2. Which is the next number

3. Which is the next number in

this pattern?

--

516, 526, 536, 546,

F 536 G 547 H 556 I 576

422, 432, 442, 452, --

A 454 B 462 C 464 D 470

Look Back

(MA.1.A.4.1)

4. What comes next in this pattern?

F

G

H

I

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Name

PROBLEM SOLVING

Draw a Diagram · Patterns

Solve. Draw to show what you did.

1. Marci collects bears. She likes to put them in

Lesson 11.8

MA.2.A.4.3 Generalize numeric

and non-numeric patterns using words and tables.

a pattern. She has 2 bears in the first row, 4 bears in the second row, and 6 bears in the third row. How many bears should Marci put in the fifth row?

-- bears

2. Darnell collects pencils. He puts them in a pattern

in his desk. The first box has 3 pencils, the second box has 6 pencils, and the third box has 9 pencils. How many pencils should be in the sixth box?

-- pencils

3. Rena earned star stickers at school and put

them in a pattern. The first row has 3 stickers, the second row has 5 stickers, and the third row has 7 stickers. How many stickers will Rena have in the fifth row?

© Houghton Mifflin Harcourt

-- stickers

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Lesson Check

(MA.2.A.4.3)

1. Cameron made a pattern with

2. Stacey planted flowers in a

sticks. He put 5 sticks in the first row, 10 in the second row, and 15 in the third row. How many sticks should he put in the fourth row?

pattern. She put 5 flowers in the first row, 7 in the second row, and 9 in the third row. How many flowers should she plant in the fourth row?

A 16 B 20

C 25 D 30

(MA.2.A.6.1)

F 11 G 12

H 13 I 15

Review Grade 2

3. There are 6 grapes in each

4. Jonathan has 4 packs of

bunch. There are 3 bunches of grapes. How many grapes are there altogether?

crackers. Each pack has 4 crackers. How many crackers does Jonathan have in all?

A 3 B 9

C 12 D 18

F 16 G 12

H 8 I 4

Look Back

pattern?

(MA.1.A.4.1)

5. What is the next number in the

6. What is the next number in the

pattern?

4, 8, 12, 16, --

A 17 B 18 C 20 D 22

20, 30, 40, 50, --

© Houghton Mifflin Harcourt

F 51 G 55

H 60 I 70

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MA.2.A.2.4, MA.2.A.4.3, MA.2.G.5.1

Name

Chapter 11 Extra Practice

Lesson 11.1

(pp. 437 440)

Draw the shapes. Write a number sentence to find the total number of sides or vertices.

1. Draw 3 squares.

-- --

2. Draw 2 rectangles and 1 triangle.

Total: -- sides

-- --

Total: -- vertices

Lesson 11.2

Use

(pp. 441 444)

Make the shape of the whole. Trace the blocks you used. to make the .

© Houghton Mifflin Harcourt

whole

-- parts

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Lesson 11.3

(pp. 445 448)N

Use pattern blocks to show the whole. Draw lines to show the equal parts. Write how many blocks make up the whole.

1. Use

.

How many

make up the whole?

--

Lesson 11.4

(pp. 449 451)

Write how many equal parts there are in the whole. Write if these parts are halves, thirds, or fourths.

1. 2. 3.

-- equal parts --

-- equal parts --

-- equal parts --

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© Houghton Mifflin Harcourt

MA.2.A.2.4, MA.2.A.4.3, MA.2.G.5.1

Name

Chapter 11 Extra Practice

Lesson 11.5

(pp. 453 456)

Make a prediction. Draw shapes to continue the pattern. Check your prediction.

1. Which shape will be in the 11th position?

A

--

1st 2nd 3rd

will be in the 11th position.

4th 5th 6th 7th 8th 9th 10th 11th

2. Which shape will be in the 10th position?

A

--

1st 2nd

will be in the 10th position.

4th 5th 6th 7th 8th 9th 10th

3rd

Lesson 11.6

1.

(pp. 457 460)

Use different symbols. Show the same pattern in two other ways.

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

© Houghton Mifflin Harcourt

2.

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

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Lesson 11.7

1.

(pp. 461 464)

Draw what might come next in the pattern.

2.

Lesson 11.8

(pp. 465 468)

Solve. Draw to show what you did. Charles is putting all the skates in a pattern. He put 2 pairs in the first row, 5 pairs in the second row, and 8 pairs in the third row. Following the same pattern, how many pairs should Charles put in the fourth row?

© Houghton Mifflin Harcourt

-- pairs

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