NAME
DATE
Homework Practice
Rates
Write eacti rate a s a fraction. Find eacli unit rate.
1
n omiles i n 2 hours
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1
36 points scored i n 3 games
3
90 customers served i n 4 . 5 hours
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4
12 pencils i n 2 packs
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Find eacii unit rate. U s e tiie unit rate t o find tlie unl<nown amount.
5
12 gallons i n 5 m i n u t e s ; U gallons i n 7 m i n u t e s
I
6
>
gallons
1 4 0 h e a r t b e a t s i n 2 m i n u t e s ; CH h e a r t b e a t s i n 5 m i n u t e s
Wliicli product lias t h e lower unit c o s t ? Round t o t h e nearest cent.
a3
I
s^
7
a 6 - p a c k o f j u i c e f o r $ 1 . 8 9 , o r a 1 2 - p a c k o f j u i c e f o r $ 4 . 1 5 ^ pdCU-
8
2 bp oo xi modf s3 0o fDgVr aDnso lf ao rf o$ 1r 0$. 29.95,0o, ro ar 5b op ox toi nf d1 s0 0o Df gVr Da ns o fl oa r f$o3r 2$. 96 9. 3 0 .
So
Solve.
^
^
^pounds
b^bs
lOO
A car travels 144 m i l e s o n 6 gallons o f gasoline.
Find the number of miles per gallon.
10 T R A N S P O R T A T I O N
o
o
I Write the vocabulary word that completes each sentence.
I il A .
I 12 A
^ 13 A
I
is t h e cost o f a single piece o r i t e m .
- is t h e comparison of t w o n u m b e r s b y division.
is a ratio o f t w o measurements o r a m o x m t s w i t h
different imits.
14 A t ^ r ^
describes h o w m a n y u n i t s o f the first t y p e o f q u a n t i t y
are e q u a l t o o n e u r u t o f t h e o t h e r t y p e o f q u a n t i t y .
Rates 4
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DATE
NAME
Problem-Solving Practice
Rates
Solve.
A l a s e r p r i n t e r c a n p r i n t 150 p a g e s i n 5 m i n u t e s .
F i n d the n u m b e r of pages printed per m i n u t e .
/ 5 D pag^S.
TECHNOLOGY
30
f^^/n^m
T h e table b e l o w s h o w s the t i m e a n d distance w a l k e d
for t w o different w a l k e r s . W h i c h w a l k e r h a d the faster u n i t rate?
Show your work.
FITNESS
Jenna
Theo
Distance
8 miles
Time
120 minutes
3
Distance
6.5 miles
Time
90 minutes
I.~5U^•
T h e d i a g r a m s b e l o w s h o w the prices o f large pizzas a t
t w o local restaurants. W h i c h r e s t a u r a n t has t h e l o w e r u r u t cost
per pizza?
FOOD
Pizza Shack
Special?
Boy 1
\arije
I2M.
Leo'; Pizzo P a r l o r
Laege Pizza; - ^5.50
each
pizzas fot
Pizza
Shacks
^
Spina
large pizzo free
S a l l y ' s l i m a b e a n p l a n t g r e w 4.5 i n c h e s i n 3 m o n t h s . H e r
p i n t o b e a n p l a n t g r e w 8.4 inches i n 4 m o n t h s . W h i c h p l a n t g r e w a t
a faster rate?
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PLANTS
A jet aircraft t r a v e l e d 2,750 m i l e s i n 5 h o u r s . F i n d a i m i t
rate t o describe its average speed.
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a
TRAVEL
W h i c h state i n t h e table b e l o w has t h e greatest
p o p u l a t i o n per square mile?
POPULATION
state
Maryland
New York
Connecticut
3 Rates
,
2 0 0 2 Estimated
.Populatjon^^
Approximate Land
Area in s qmttes
5,500,000
19,200,000
3,500,000
3£DDjfiP
9,800
47,000
5,000
_ -700
IS'
s
ComTech cat\
DATE
NAME
Vocabulary and
English Language
Development
Rates
©Activate P r i o r K n o w l e d g e
I
Order t h e products from least expensive t o m o s t expensive.
^ 3
$2.50
^^^^
9iefi\
@
Definition Review
A rate i s a r a t i o o f t w o m e a s u r e m e n t s o r a m o i m t s w i t h d i f f e r e n t u n i t s .
A unit rate d e s c r i b e s h o w m a n y x m i t s o f t h e f i r s t t y p e o f q u a n t i t y a r e
equal to one vmit of the other type of quantity.
Draw a line t o m a t c h each rate t o i t s unit rate.
2
18 m i l e s i n 3 h o u r s
,::^20 m i l e s p e r h o u r
3
64 m i l e s i n 4 h o u r s
60 m i l e s p e r h o u r
4
3 0 0 m i l e s i n 15 h o u r s
6 miles per hour
5
120 m i l e s i n 2 h o u r s
16 m i l e s p e r h o u r
©Application
C o m p l e t e t h e graphic organizer.
Ratio
Rate
Examples
Examples
Unit Rate
Examples
V
1 Rates
Unit Cost
Examples
J
NAME
DATE
Skills Practice
Rates
Write eacli rate as a fraction. Find eacli unit rate.
-S-bdttles o f w a t e r
$3.00
3
4 apples
$1.20 ^
2 5 0 e n v e l o p e s i n 10 m i n u t e s
4
15 p a g e s i n 4 5 m i n u t e s
I mm
Find eacli unit rate. Use tlie unit rate t o find t h e u n k n o w n amount.
5
125 m i l e s f o r 2 h o u r s ; • m i l e s f o r 5 h o u r s
6
64 ounces f o r 8 p e o p l e ; O ounces f o r 30 p e o p l e
T V6 ^
I 7 250 i n c h e s i n 5 seconds; • i n c h e s i n 12 seconds
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s
l^'
I
% 8 $65 f o r 4 D V D s ; • d o l l a r s f o r 7 D V D s ^ / / 7 5 ^
^^JP
=
pev^^
5Dif?
I W h i c h product has t h e lower unit cost? Round t o t h e nearest cent.
1 9
10
a 40-oz b a g o f d o g f o o d f o r $6.79, o r a 24-oz b a g o f d o g f o o d f o r $3.60
a p o i m d o f pears f o r $0.99, o r 5 p o v m d s o f p e a r s f o r $4.59
5-lhs
0 I I a 16-oz b o x o f cereal f o r $4.29, o r a 12-oz b o x o f cereal f o r $2.99
I
1 12 a p a c k o f 6 p e n s f o r $ 4 . 7 5 , o r a p a c k o f 15 p e n s f o r $ 1 2 . 7 5
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Lo
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Rates 2
IS
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