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Ned has a 2-foot-long piece of rope. He cuts
the rope into 1-foot pieces. How many pieces
of rope does Ned now have?
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Think: How many ls are in 2?
Use objects to help.
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Draw a number line to model the problem.
I
I
1
2
I
I
I
1
2
Iÿ-ÿ
0 -5 -5 1 -5 -5 2
Count how many is there are in 2.There are three
1
is in 1, so there are six is in 2.
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0
You can use multiplication to checkyour answer.
2
I
1
-5
3
l
2
-5
4
I
1
5
I
1
5
6
I
2
2
-5
6X1=2
Ned now has 6 pieces of rope.
In 1 and 2, use the picture to find each quotient.
1o How
many ls are in 1 ?
2o
1 +1=
How many 5lsare in 4?
4. 1
In 3 through 10, find each quotient.You may draw a picture
or use objects to help.
3o 12+½=
70 20+
=
4° 9+1=
8. 7+
=
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9. 6I . 6-
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10. 15 "2 -
Topic 9 Lesson 9-4
473
11. Tools Use the number line. How many
¼-yard long pieces of pipe can be cut
from two 1-yard-long pieces of pipe?
12o Built in 2005, the world's largest leather
work boot is 16 feet tall. A typical men's
work boot is l foot tall. How many times
0
1
2
13o Communicate Write a word problem
1
that can be solved by dividing 10 by ÿ.
Find the answer to the problem.
as tall as a typical work boot is the
largest boot?
14o Number Sense Look for a pattern in
the table. Find the missing addends and
sums. Write each sum in simplest form.
ISo
ExtendYourThinking Omar had S cups
of cornmeal. He made 24 corn muffins.
How many cups of cornmeal did he have
left? Explain how you found your answer.
¢omÿeal Recipes
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lÿem
Am.unt Needed i
3
Cornbread
""
ÿ cup per loaf
"d
1 cup for 6 muffins
Corn Muffins
i•Hush Puppies
5 cup
per batch
8
!
David made a dot plot of how many
miles he biked each day for two weeks.
Miles Biked Each Day
How many miles did he bike in all?
A 121 miles
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B 1451miles
10
C 158 miles
101
11
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Miles
D 168 miles
474
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