0617 0618 Gr3 S C10L8HW 116191

Name

Number and Operations -- Fractions

3.NF.1, 3.NF.2, 3.NF.2a, 3.NF.2b, 3.NF.3, 3.NF.3d

Lesson 8 Compare Fractions

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Luis and Malcolm are both on the tennis team. Luis has

won

_ 1

2

of

his

matches.

Malcolm

has

won

_ 1

6

of

his

matches.

They both played the same number of matches. Who has won

the greater fraction of matches?

Compare

_ 1

2

and

_16 .

1 2

Luis

0

1

2

The smaller denominator of

1

2 means fewer, but larger parts.

1 6

Malcolm 0123456

666666

The larger denominator of 6 means more, but smaller parts.

The

models

show

that

_ 1

2

has

a

greater

size

than

_16 .

So,

_ 1

2

>

_16 .

Luis

won

a

greater

fraction

of

matches.

Practice

Use the models to compare. Use >,

_ 4

6

Lesson 8My Homework 617

Copyright ? The McGraw-Hill Companies, Inc.

Use the models to compare. Use >,

_ 3

8

_ 2

3

=

_ 4

6

Problem Solving

5.

3 Justify Conclusions Harvey

practiced

the

piano

for

_ 5

8

of

an

hour.

Annika

practiced

the

piano

for

_ 5

6

of

an

hour.

Use

the

models to determine who practiced the piano

for a longer period of time.

Annika practiced the piano longer.

11111 88888 11111 66666

6.

5 Use Math Tools The average

hsloeuespeacabtosultee_13posfatbhoeudt a_23y.oDf oa

day. Most housecats

people or people

sleep for a greater fraction of the day? Graph both

fractions on the number line to compare.

0123

333

Housecats sleep for a greater fraction of the day.

Copyright ? The McGraw-Hill Companies, Inc.

Test Practice

7. The number line shows which of the following

fractions is less than _24?

A _1

4

C _3

4

B _2

4

D _4

4

01234

4444

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