Name
Division as Sharing
R 7-t
You can use coLlnters to show division problems:
l
There are 6 shirts and 3 boxes. How many shirts fit in each box?
First, use 6 counters
for the 6 shirts.
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Since the problem is
6 divided by 3,-divide
the counters into
3 equal groups.
can fit in each box.
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6@
There are 2 counters
in each group.
Since6+3=2,twoshirts
e6
€0.&
Use counters or draw a picttrre to solve.
1.
12
markers
3 boxes
How many markers in each box?
2. 10
pencils
2 pencil cases
How many pencils in each pencil case?
3. 9
tadpoles
3 tanks
How many tadpoles in each tank?
4. 16
marbles
i-.
:'
4 sacks
How many marbles in each sack?
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Oflr
tv.
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9.
Number sense could you divide 14 shirts into two equar groups?
Why or why not?
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Use wlth Lesson
7-1.
83
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Name
ii
ilr
tr;
Diriision as Sharing
it
P 7-l
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Use counters or draw a picture to solve.
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rl
1. Sbicycles 6wheels
li
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How many wheels are on each bicycle?
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2.
{
12 tennis
balls
4 oanlstei,s
How many tennis.balls arb in each canister?
3.
1G
barianas .4 bunches
How many bananas are in each bunch?
4.
Number Sense One box contains
12 granola bars. Two bars are in each
package. How many packages are
in
each box of granola bars?
'
5.
6.
lsabella and her S,friends went to a
conceft
at the schoot. They spent a totai oid'+l'*-"
for the tickets. Each ticket was the
same
price. How much was each ticket?
ln a yearbook club, a teacher gave
out 3 new
folders to each student. fne tJaine;;;;;
Zl toitders in att. How many students are in
the yearbook club?
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Test Prep
7.
Which is the quotient of 20 + 5?
4.2
8'
8.3
c.4
c)
D.5
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writing in Math ranya and her family went
out for frozen
yogurt.
They ordered 10 scoops of frozen yoguft.
Every
person received 2 scoops, Exptain
now toiini the number
'of people in Tanya's family.
Then write tn" uns*er.
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Use with Lesson
@
7-1.
83
Name
Dlvisiore as Repeated Subtraction
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H 7.2
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You can also think of
division as repeated
subtraction. Here is an
example:
Joe has 15 sweaters. He is
packing them into boxes.
Each box holds 3 sweaters.
How many boxes does
Joe need?
Start with 15 sweaters.
Subtract 3 at a time until
there are no sweaters
ieft. Then count the
subtractions.
15- 3:12
f&C\ln
12*3:e
e 3=6
mGG
l|lmm
6-3:3 Gi,nm
3-3=o
I can subtract
three 5 times.
Then there are
zero sweaters
left over.
mmm
You can also use division.
Fifteen divided by 3 equals 5
Joe needs 5 boxes.
Use counters or dravri a picture to solve.
1.
10 markers
5 markers in each box
l-iow many boxes?
2" 20 books 5 books on each shelf
How many shelves?
3. 8 hamsters
2 hamsters in each cage
How many cages?
A
m
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r.
F-
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Siritireg in Math Show how you can use repeated subtraction to find how
many groups of 3 are in 18. Then write the division sentence for the
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Name
Division a$ Repeated Subtraction
Use counters or :;lE#$..5r:..".
draw a oicture
to solve.*:: .
"1,
ffi.-E:*i?i*i--.s,i.EFl.F'rf
1.
35
-Ti--r'."
-'
stickers
2.
i
40 leaves
5 stickers on.each sheet
4leaves painted on each vase
How many sheets?
How many vases?
On'Mackinac lsland in Michigan, people
rent bicycles because no cars are allowed
on the island. The table shows the. number
of people who rode tandem bicycles each
month. Two people ride on each tandem
bicycle. How many bicycles wer'B rented
each'month?
3.
P 7-2
(
People Renting
Tandem Bicycles
Month
People
Mav
June
July
8
,August..
May
September
24
16
22
14
4. June
5* July
6.
.
August
.- 'i-,'
7.
How many bicycles were rented in all?
Test Prep
8.
Keisha has to carry 24 boxes to her room. She can carry
3 boxes on each trip. How many trips will she take?
c)
A. 7 trips
B. 8 trips
G.9 trips
D. 10 trips
d
c
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*.o-*..*-oP-Writiag"in-Math".Tamarasaysthat,15..+.3.:-5;lsshecorrect?
Explain how you know.
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Use with Lesson I:2.