1 Number Sense

and Patterns

Key

Vocabulary

ones

tens

compare

pattern

estimate

Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. Explore

This caterpillar has a pattern on its

body. Can you see it? Draw the

pattern below.

Chapter 1 thirteen 13

Michael & Patricia Fogden/CORBIS

Name

Take the Chapter Readiness

Quiz at ca.gr2math.com.

Write the number of each. Circle the group that has more.

1.

trucks cars

Match the number word and the number.

2. ten 8

3. three 10

4. eight 3

Write the missing numbers.

5. 5 8 10

123

Write the numbers in order from least to greatest. Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

6. 2, 9, 4, 3 ,,,

7. Ben found these 5 note cards on the sidewalk.

five six one seven

5617

Help Ben put the note cards in order.

14 fourteen This page checks skills needed for Chapter 1.

Dear Family,

Today my class started Chapter 1, Number Sense and

Patterns. In this chapter, I will learn to estimate, compare,

and order numbers through 100. Here is an activity we can do

and a list of books we can read together.

Love,

Activity Key Vocabulary

PoyotnthothuchtSeuocerheerlnanoseaeconuscshemimgpotfiriellumebyadtnooettarheteruat.etsterhiootsHiaefciimsnfahmri.aasnvailocCdetdietsuou’ishnnanotestli,wasnntniuumcdemloaetbstoseeetsri.mgaette. The number 38 has 3 tens and 8 ones.

tens ones

estimate to find a number close to an exact

amount

Click on the eGlossary link at ca.gr2math.com to

find out more about these words. There are 13 languages.

Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. Books to Read Earth Day—Hooray!

by Stuart J. Murphy

Spunky Monkeys Harper Collins

on Parade Publishing, 2004.

by Stuart J. Murphy

Harper Collins The Father Who Had

Publishing, 1999. 10 Children

by Benedicte Guettier

Penguin Young Readers

Group, 2001.

fifteen 15

Eclipse Studios

Estimada familia:

Hoy mi clase comenzó el Capítulo 1, El sentido numérico y los

patrones. En este capítulo, aprenderé a estimar, a comparar y

a ordenar los números hasta 100. A continuación, hay una

actividad que podemos hacer y una lista de libros que podemos

leer juntos.

Cariños,

Actividad Vocabulario clave

Viertan sobre un El número 38 tiene 3 decenas y 8 unidades.

ppaleaqaascssulttvsaoouiiaeimtenaccrdlhljaeesiuaeiig.rjeetnoeccuuPzgtalo(ariíaoddannrm)aa.újleloqdamnáCtsuulsaeeycrecrmeaauoerlbestdnedtniieezúmetneamsepupvednaarah.esorriiVijtlaaaoaree(ssraaifvy)lie.qscueeesn

decenas unidades

estimar hallar un número que se acerca

a una cantidad exacta

Visiten el eGlossary en ca.gr2math.com para

averiguar más sobre estas palabras, las cuales se muestran en 13 idiomas.

Libros recomendados El Día de la Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

Tierra — ¡Hurra!

Monos animados de Stuart J. Murphy

en un desfile Harper Collins

de Stuart J. Murphy Publishing, 2004.

Harper Collins

Publishing, 1999. El padre que tenía

10 hijos de

Benedicte Guettier

Penguin Young

Readers Group, 2001.

16 sixteen

Eclipse Studios

Name

Tens and Ones

Get Ready You can group 10 ones as 1 ten.

Main Idea I can group ones

to make tens.

I will group

ones to

make ten.

Vocabulary

ones

tens

330 ones = tens

Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. 770 ones = tens 990 ones = tens

You can also group tens and ones.

24 is two tens 2 424 ones = tens ones

and four ones. 2420 + 4 =

Chapter 1 Lesson 1 seventeen 17

Richard Hutchings

Check 2.

Write how many.

1.

20 2ones = tens ones = tens

Write how many tens and ones. Then write the number.

3. 4.

3 2tens ones tens ones

30 + 2 = 32 + =

5. 6. Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

tens ones tens ones

+= + =

7. Explain how 26 is different from 62.

18 eighteen

Name 9.

Practice

Write how many.

8.

ones = ten tens = ones

10. 11.

ones = tens ones = tens

Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. Write how many tens and ones. 13.

Then write the number.

12.

tens ones tens ones

+ = + =

Chapter 1 nineteen 19

Write how many tens and ones. Then write the number.

14. 15.

tens one tens ones

+= + =

16.

17.

tens ones ten ones

+= +=

18. 19.

tens ones tens ones Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

+= + =

a picture to solve.

20. Number Sense Juan has 4 packs of

baseball cards. Each pack has ten cards.

He has 3 more cards in his pocket. How

many baseball cards does Juan have?

baseball cards

20 twenty Math at Home Activity: Write some 2-digit numbers, such as 67, and have

your child tell you how many tens and how many ones (6 tens and 7 ones).

Name

Place Value to 100

Get Ready The place of a digit in a number tells its value.

The digits in 29 are 2 and 9. What is the place value

Main Idea of each digit in 29?

I will find the 2 9tens ones

place value

in numbers

to 100.

Vocabulary

digit

place value

2 tens = 20 9 ones = 9

Check 2. 34

Circle the value of the red digit.

1. 25

Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. 5 or 50 3 or 30

3. 18 4. 42

8 or 80 2 or 20

5. Is 3 tens and 9 ones greater than twenty-one 21

9 tens and 3 ones? Explain.

Chapter 1 Lesson 2

Practice

Circle the value of the red digit.

6. 78 7. 12 8. 59 9. 94

5 or 50 4 or 40

8 or 80 1 or 10

10. 65 11. 90 12. 21 13. 47

6 or 60 9 or 90 1 or 10 7 or 70

14. 81 15. 26 16. 39 17. 73

8 or 80 6 or 60 9 or 90 7 or 70

18. 25 19. 53 20. 75 21. 50

2 or 20 3 or 30 5 or 50 5 or 50

22. 47 23. 96 24. 38 25. 12 Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

7 or 70 9 or 90 8 or 80 2 or 20

26.

Cindy has 87 pennies. She needs

78 pennies to buy a pen. Does

she have enough money to buy

this pen? How do you know?

22 twenty-two Math at Home Activity: Look at a newspaper. Find two-digit

numbers. Name the tens and ones.

Name

Use Logical Reasoning

Main Idea A hamster, a snake, and

a frog are kept in 3 cages.

I will use The hamster is in the cage

logical that is the same color as

reasoning a stop sign. The snake is not

to solve in the cage that is the same

problems. color as the sun.

Which animal is in each cage?

Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. What do I need to find out?

Circle the question.

How will I solve the problem?

Use logical reasoning.

Look Back twenty-three 23

Does my answer make sense?

Chapter 1 Lesson 3

Remember

Use logical reasoning to solve.

1. Yolanda’s chain is the shortest.

Jasmine’s chain is between the length

of Barry’s chain and Yolanda’s chain.

Who has the longest chain?

has the longest chain.

2. Antonio is more than 7 years old.

He is less than 10 years old.

He is not 8 years old.

How old is Antonio?

Antonio is years old.

Use logical reasoning to solve. Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

3. Each dinosaur is a difficult color. Looking from

left to right the green dinosaur is between the

red and brown one. The purple dinosaur is first.

The red dinosaur is last. What is the order of

the dinosaurs from left to right?

,,,

4. Maria picked a number. In her

number, the digit in the tens place

is greater than the digit in the ones

place. What number did Maria pick?

Maria picked .

24 twenty-four Math at Home Activity: Take advantage of problem-solving

opportunities during daily routines such as riding in the car, bedtime,

doing laundry, putting away groceries, planning schedules, and so on.

Name

Read and Write Numbers

Get Ready You can write numbers as words. Each number

has a name. Sixteen is 16.

Main Idea

Numbers to 20 Tens

I will read

and write 10 ten

numbers. 20 twenty

30 thirty

1 one 11 eleven 40 forty

2 two 12 twelve 50 ﬁfty

3 three 13 thirteen 60 sixty

4 four 14 fourteen 70 seventy

5 ﬁve 15 ﬁfteen 80 eighty

6 six 16 sixteen 90 ninety

7 seven 17 seventeen 100 one hundred

8 eight 18 eighteen

9 nine 19 nineteen

10 ten 20 twenty

Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. Check 2. seventy

4. forty-one

Write the number.

1. thirty-five

3. sixty-three

Write the number names. 6. 80

5. 14

7. How do you know what digits to twenty-five 25

use to write twenty-three?

Chapter 1 Lesson 4

Practice Look back at the

chart if you need

Write the number or number name.

help.

8. eleven 9. seventy-two

10. thirty-six

11. eighty 12. seven 13. sixty-eight

14. twenty-seven 15. fourteen 16. eighty-six

17. one hundred 18. thirteen 19. forty-three

20. ninety 21. twenty-two 22. fifty-eight

23. seventy-seven 24. ninety-four 25. sixty-one

26. 15 27. 70 28. 40 Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

29. Thinking Math What are two ways to write ?

26 twenty-six Math at Home Activity: Write a 2-digit number, such as 17. Ask your

child to write and read the number name.

Name

Estimate Numbers

Get Ready Sometimes you do not need an exact number.

Main Idea You need an estimate. An estimate tells

I will estimate about how many. It looks like

to find about

how many. about 2 groups

Vocabulary of ten or 20

estimate marbles.

? 10

First Think what you know

about ten.

Next Use the group of ten

to help you.

Last Write your estimate.

20about marbles

Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. Check

Estimate about how many. Circle the answer.

1. 2.

? 10 buttons ? 10 olives

about about about about about about

30 60 90 20 40 80

3. Explain how you estimated. twenty-seven 27

Chapter 1 Lesson 5

(tl tc bl bcl)Mike Houghton/StudiOhio, (cr)Richard Hutchings, (bcr br) StudiOhio

Practice

Estimate about how many. Circle the answer.

4. 5.

? 10 pencils ? 10 balls

about about

about about about about

20 40 90 20 40 70

6. 7.

? 10 flowers ? 10 pennies

about about

about about about about

10 20

30 100 50 80

8. Critical Thinking Emily estimates that she Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

needs 50 paper plates for her class picnic.

There are 22 students in her class. Is Emily’s

estimate reasonable? Explain.

28 twenty-eight Math at Home Activity: Look in the cupboard. Have your child

estimate about how many cups there are.

(tl tcl tcr tr bcr br)Mike Houghton/StudiOhio, (bl bcl)StudiOhio

Mid-Chapter Check

Lessons 1-5

Name 2.

Count. Write how many.

1.

ones = tens tens ones

+=

Circle the value of the red digit.

3. 72 4. 24 5. 39

3 or 30

7 or 70 4 or 40

Write the number or number names.

6. eighty-nine 7. 15

Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. Estimate about how many. Circle the answer. about

80

8. about about

20 40

? 10 peppers

9. Mrs. Andrews picked a number.

The number in the tens place is a 7.

The number in the ones place is more than 3

but less than 5.

What is the number?

Chapter 1 twenty-nine 29

(cl cr)StudiOhio

Chapter 1

Circle the value of the red digit.

10. 29 11. 32 12. 64

4 or 40

9 or 90 3 or 30

15. 10

Write the number or number names.

13. ninety-three 14. fifty-two

Count. Write how many. 17.

16.

ones = ten tens ones

+=

Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

Estimate about how many. Circle the answer.

18. 19.

? 10 pickles ? 10 grapes

about about about about about about

30 50 80 60 30 20

30 thirty Formative Assessment

(bl bcl)Mike Houghton/StudiOhio

Name

Order Numbers

Get Ready You can use a number line

to order numbers.

Main Idea

5 is between

I will put 4 and 6.

numbers in

order using a 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

number line.

4 comes 6 comes

Vocabulary before 5. after 5.

number line

before

after

between

5 is between 4 and 6. 54, , 6

Check

Use the number line to fill in the blanks.

Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

111. 10, , 12 2. 13, , 15

3. 7, , 9, 4. , 4, 5

5. 7, ,5 6. 15, , 13

7. Choose four different numbers. thirty-one 31

Tell what you would do to put them

in order.

Chapter 1 Lesson 6

Practice

Use the number line to fill in the blanks.

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

8. 21, , 23 9. , 12, 13 10. , 28, 29

11. , 12, 11 12. , 19, 20 13. , 20, 21,

14. , 13, 14 15. 25, , 27 16. 17, 18, ,

17. 29, , 27 18. 28, 29, 19. 15, , 17

20. 13, 14, 21. 19, , 17 22. 10, , , 13

Silicon Valley is a large area around Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

Palo Alto, California. Many of the people

who work there know a lot about computers.

Computers can sort information very, very

quickly.

23. Put this information in order; 1,5,9,4.

Write the numbers from least

to greatest.

32 thirty-two Math at Home Activity: Ask your child to name the number that comes between

24 and 26. Try other numbers and ask what comes before and after the number.

David Chasey/Getty Images

Name

Compare Numbers

Get Ready You can use >, <, or = to compare numbers.

Main Idea Compare the tens.

If the tens are equal,

I will compare

numbers compare the ones.

using <, >,

or =. 37 is greater than 24 >37 24

Vocabulary 32 is less than 35 <32 35

compare

is greater

than >

is less

than <

is equal to =

16 is equal to 16 =16 16

Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. Check and .

2.

Compare. Write >, <, or =. Use

1.

54 20 31 31

3. 42 24 4. 63 64

5. How can you tell that 28 is greater thirty-three 33

than 26?

Chapter 1 Lesson 7

Practice and . Remember

Compare. Use Compare the

6. tens first.

7.

23 23 30 31

8. 81 50 9. 92 92 10. 25 26 Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

11. 77 76 12. 89 98 13. 55 55

14. 21 60 15. 64 67 16. 49 39

17. 0 47 18. 80 80 19. 42 24

20. 70 69 21. 15 15 22. 38 53

23. 20 2 24. 30 40 25. 29 28

26. Number Sense Manuel is scooping

marbles into a bag at the toy store.

Manuel’s mother says he must take

less than 25 marbles. Show a

number that fits his mother’s rule.

< 25

34 thirty-four Math at Home Activity: Ask your child to name two numbers greater

than 52 and two numbers less than 52.

©Steve Sant/Alamy

Extra

Practice

Name

Compare. Use <, >, or =.

49 49

86 68 28 29

77 71 33 33

59 69 42 24

99 99 65 66

75 57 17 16

30 40

Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. 100 30

54 54

25 52

Chapter 1 thirty-five 35

You Will Need Name the Price

Compare Numbers

Play with a partner:

Put your on Start.

Roll the and move your .

Name an item that is > or <, the

item on which you land.

Have your partner check. If you are

incorrect, move back

2 spaces.

The first person to Finish wins!

Start < 96¢ > 24¢ < 82¢ > 13¢ < 79¢

> 50¢ < 50¢ > 84¢ < 21¢ > 61¢ > 19¢ Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

< 58¢ > 65¢ < 73¢ > 98¢ < 42¢ > 2¢

< 85¢ > 23¢ < 59¢ > 26¢ < 88¢ Finish

36 thirty-six

Name Patterns are everywhere. Some patterns grow.

Growing patterns grow and get bigger or smaller.

Patterns What comes next? Draw a picture to show what

comes next in the pattern. Write the number.

Get Ready

2 is added

Main Idea to each

number.

I will show

and describe 8

patterns.

Vocabulary

pattern

24 6

+2 +2 +2

Check

Draw a picture to show what comes next in the pattern.

Write the number.

1. 2.

Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. 12345 654

1111 4.

3.

5. Look at Exercise 3. Tell about the pattern.

Chapter 1 Lesson 8 thirty-seven 37

Practice

Write what comes next in the pattern.

6. 5, 10, 15, 20, , , 7. 10, 20, 30, , 50, , , 80

Draw a picture to show what comes next in the pattern.

Write the number.

8. 9.

10.

3 6 10

11.

14 9 Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

12. Visual Thinking Amy saved 10 pennies the

first week, 20 pennies the second week, and

30 pennies the third week. If this pattern

continues for six weeks, how many pennies

will Amy have?

pennies

38 thirty-eight Math at Home Activity: Ask your child to create a repeating pattern

and a growing pattern using cereal.

Name

Main Idea Your Mission: Find how many

rocks are on the shelves.

I will choose

a strategy I have a collection of rocks. I put

to solve the 1 on the top shelf, 3 on the second

problem. shelf, and 5 on the third shelf. If I put

rocks on the next 2 shelves in the same

pattern, how many rocks total will I

have on the shelves?

Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. What do I need to find out?

Circle it.

How will I solve the problem?

One way is to draw a picture.

Look Back

Does my answer make sense?

Chapter 1 Lesson 9 thirty-nine 39

Eclipse Studios

Problem-Solving

Strategies

• Draw a picture

Choose a strategy. Solve. • Act it out reasoning

• Use logical

1. There are three pigs in the barn.

Two chickens go into the barn.

How many animals are in the barn?

2. The water ride is open. Five log boats animals

are being used. 1 child is in the first boat. children

3 children are in the second boat. 5 are in

the third boat. If this continues, how many Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

children will be in the fifth boat?

3. Mrs. Walker’s class is collecting cans to recycle.

Jeff brought in 10 cans and Sally brought in

8 cans. How many cans do they have in all?

cans

4. What’s my number?

It is greater than 41.

It is less than 49.

It has a 7 in the ones place.

40 forty Math at Home Activity: Take advantage of problem-solving

opportunities during daily routines such as riding in the car, bedtime,

doing laundry, putting away groceries, planning schedules, and so on.

Name

Patterns on a Hundred Chart

Get Ready You can use patterns to count. This is called

skip counting. You can skip count by 2s to

Main Idea count pairs of shoes.

I will skip 2 4 6 8 10

count to

create Skip counting on a hundred chart shows patterns.

patterns on

a hundred

chart.

Vocabulary

skip count

Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. Check 13 79

11 13 17 19

Use the hundred chart. 21 23 27 29

1. Skip count by 2s. Color the 31 33 37 39

numbers blue. 41 43 47 49

2. Skip count by 5s. Circle the 51 53 57 59

numbers. 61 63 67 69

3. Skip count by 10s. Draw a line 71 73 77 79

under the numbers. 81 83 87 89

91 93 97 99

4. What patterns did you

make in the hundred forty-one 41

chart?

Chapter 1 Lesson 10

Practice 1 2 3 4 5 6 7 8 9 10

11 12 13 14 15 16 17 18 19 20

Use the hundred chart. 21 22 23 24 25 26 27 28 29 30

5. Count by 2s. 2, 4, 6, 8, 31 32 33 34 35 36 37 38 39 40

41 42 43 44 45 46 47 48 49 50

,,, 51 52 53 54 55 56 57 58 59 60

61 62 63 64 65 66 67 68 69 70

6. Count by 4s. 12, 16, 20, 24, 71 72 73 74 75 76 77 78 79 80

,,, 81 82 83 84 85 86 87 88 89 90

91 92 93 94 95 96 97 98 99 100

Write the missing numbers. Name the pattern.

7. 34, 36, 38, 8. 10, , 30, 40

Skip counting by . Skip counting by .

9. 55, 58, , 64 10. 75, , , 90

Skip counting by . Skip counting by .

Number Sense Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

11. There are 6 gloves. Each glove has

5 fingers. How many fingers are

there in all?

fingers

12. There are 20 wheels. Each bicycle has

2 wheels. How many bicycles are there?

bicycles

42 forty-two Math at Home Activity: Ask your child to skip count out loud by

twos, threes, and fives.

What do you celebrate? FOLD DOWN

What special events do

you dress up for?

Draw a mask you could wear.

D

C01-CCF_105705.indd 43

Real-World MATH

Some people dress up for

celebrations. This is an African

mask used in a special ceremony.

This book belongs to

A

©Vanessa Vick/Photo Researchers, Inc.

11/30/06 2:52:49 PM

These masks are from Mexico.

Photo to come of Mexican This mask

mask 25 years old. is about

25 years old.

This mask

is about

60 years old.

B Circle the mask that is older.

latinamericanfolkart.com

C01-CCF_105705.indd 44

This is a mask from Japan.

It is over 1,000 years old!

©Burstein Collection/CORBIS C

11/30/06 2:53:38 PM

Chapter

Review/Test

Name a. 23 > 20

Vocabulary b. 26

Draw lines to match. c.

1. digit

27 28 29 30

2. number line

d. 7 < 8

3. is greater than

about about about

4. is less than 10 20 40

Concepts

Circle the estimate.

5.

? 10 marbles 7. 1 ten 7 ones =

Write the number.

6. 4 tens 3 ones =

Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. Circle the value of the red digit. 9. 75

8. 45 5 or 50

4 or 40

10. Circle the value of the two in eighty-two.

2 or 20

Write the number and number name.

11. ninety-three 12. 10

Chapter 1 forty-five 45

Use the number line to fill in the blanks.

30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

13. 42, , 44 14. 46, , 48, 15. 33, , 31

16. Compare. Write >, <, or =.

51 57 94 91 33 33 49 59

Draw a picture to show the pattern.

17.

Write the missing number. Name the pattern.

18. 74, , 78, 80 19. 35, , 45,

Skip counting by . Skip counting by . Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

20. Abby, Daniel, and Jamal have different favorite

colors: blue, green, and yellow. Jamal likes

green. Abby does not like yellow.

What is Daniel’s favorite color?

21. What is Sophia’s address? 23 29 31 33

There are 3 tens. There are

more tens than ones.

Sophia’s address is .

46 forty-six Summative Assessment

Standards Practice

Chapter 1

Name

Listen as your teacher reads each problem.

Choose the correct answer.

A What is the place value of the B Which number sentence

four in eighty-four? is true?

48 43 = 24 43 < 24

40 80 43 > 24 24 > 43

Listen as your teacher reads each problem.

Choose the correct answer.

1 Which number has 5 tens 3 Which of these shows how

and 7 ones? many apples?

Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. 57 53 37 12 10 + 10 3+3+3+1

10 + 10 + 10 + 4 1 + 1 + 1 + 1

2 A number has 6 tens. What is 4 Which of these shows the

the number? number name for 15?

6 16 60 76 thirty fifteen five twenty

Chapter 1 forty-seven 47

5 What is another way to write 8 About how many stars are

eighty-nine? there?

8+9 40 + 9 about 10 about 40

90 + 8 80 + 9 about 20 about 50

6 Which number will make the 9 Gina is counting her socks.

sentence true? She has 5 pairs of socks.

How many socks are there

> 44 in all?

24 58 31 14 5 10 15 20

7 What number comes 10 There are 53 crayons in a jar. Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

after 76? How many tens and ones are

there?

70 71 72 73 74 75 76 77 78 79 80

67 73 75 77 5 tens 3 ones 3 tens 5 ones

5 tens 0 ones 3 tens 1 one

48 forty-eight Summative Assessment