NAME Vocabulary Test DAT£ PERIOD :SCORE annex gteat-es-t common factor Corn mutative Property improper fracti on denominator mixed number fraction numerator redpmcal simplest form Choose from the terms above *co complete each sentence. 1. A rim=her tha represe,ÿts part of a whole or part :of a set is .caJled 2. When dividing ft.actions, it is .mosthelpful to change a .mixed number into a(n) L fraction improper 2. fraction 3. The era fraction is the part that tetls how many units the fraction contains. 4, The states that the order in which numbers are multiplied d0.es not chang# the product 3. numerator Commutative = = 4. Property is made u_p of a ,vhole number and 5. mixed number 4 6. tn ÿ, 5 is the- 1 7. The ........ - .-of 2 iS "ÿ. Define each term .in },our own words. 8. gtÿeatest common £aetot. Sample answer: the greatest ofthe common factors of two or more numbers 9. simplest form Sample answer: the form of a fraction when the greatest common factor of the numerator and denominator is I 2 E" 5" K g .ÿ- S 2 = 10. ann:ex Sample answer: to place a zero at the beÿ or, the end of a decimM 14 Course I • Chapter 2 Multiply and Dividÿ Rational Numbers
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NAME
Vocabulary Test
DAT£ PERIOD
:SCORE
annex gteat-es-t common factor
Corn mutative Property improper fracti on
denominator mixed number
fraction numerator
redpmcal
simplest form
Choose from the terms above *co complete each sentence.
1. A rim=her tha represe,ÿts part of a whole or part :of a set is .caJled
2. When dividing ft.actions, it is .mosthelpful to change a .mixed numberinto a(n)
L fraction
improper2. fraction
3. The era fraction is the part that tetls how manyunits the fraction contains.
4, The states that the order in which numbers are
multiplied d0.es not chang# the product
3. numerator
Commutative= =
4. Property
is made u_p of a ,vhole number and5. mixed number
46. tn ÿ, 5 is the-
17. The ........ - .-of 2 iS "ÿ.
Define each term .in },our own words.
8. gtÿeatest common £aetot. Sample answer: the greatest ofthe common
factors of two or more numbers
9. simplest form Sample answer: the form of a fraction when the
greatest common factor of the numerator and denominator is I
2
E"
5"
K
g.ÿ-
S2=
10. ann:ex Sample answer: to place a zero at the beÿ or, the end
of a decimM
14 Course I • Chapter 2 Multiply and Dividÿ Rational Numbers
NA g,'ÿ DATE P ER I OD
Lesson 1 Problem.Solving Practice
MuItipty Decimals by Decimals
1o Colin is making soap for gifts. The table shows the costof the scented oils needed to make each kind of soap.He needs 5:5 qunces of scented oil to make a .bat.ch..pfsoap, tf he wants to make 2 batches of lavender soapand 2 batches of vanilIa soalÿ[i81ÿ,ÿuclÿifÿsney will he
2. ionas fhvorÿte peaches arÿ$2.50 p..er p. ourÿdÿ.t the locaJfarmers market, She boughÿ., pounds 9fthe peaches,How much did she spend? ............................
His paychec]?" glÿdgÿs"tlÿat" he worINd'20ÿ88 'h0i,rs"m, erIsh; makes. $8.a0 an hom;tolhng sushLaÿ&restaurant.
the past taro- weeks. How much dki°IsIÿgIÿe" be)'ore
6ÿ Mammy is-on vacation in France. He has rented a car [email protected] kilomete.rs fi'om Paris to Brussels andwantsW.8ÿgÿredtÿiÿie distaÿce.Jn..ÿniIes, Since 1kilometer is equal to aboutg£62 mi!.ÿ be needs tomultiply the total kitometerslSy'0.62. About how manymiles will Manny drive? ..................................
.y ".,. ÿ ,.% #
$I ":"; " ÿ ffÿ ÿ f"
t v{-d:i;ÿ:.i ..........
/ ÿLd,,:..; l.,Cÿ,'_>!, " c Lÿ:.) ' "ÿ:" 1
-. ............................. :;::s-
miles can she expect togo on a fuIt tank?
Course 1. Chapter 2 Multiply and Divide Rational Numbers
NA,ME
Lesson Drobtem=Soiving
DATE
Practice
PERIOD
Divide Decimals by Decimals ,ÿ . ,ÿ_
For Exercises 1 ÿnrl 2, ÿ:ÿe the table th,at s:hoÿvS cÿBe records for ÿhe Bÿsÿoli Mÿraÿlioÿo,ÿ:-ÿ-<.,: ÿ,ÿ; ÿ-ÿ:<.ÿ,J -
-ÿ :2 ",1; '%.")
;:i ÿ,,,,<::ÿ ÿ;ÿ Men's Wheelchair
<- <'ÿ i iiÿVh.eelchair,.,°.ÿ;.r ,<+>.
Cÿarse !ÿeords for ÿhÿ ÿostÿn Marathon
Reeor.d Holder
.Geoffrey Mutai
Margm'et Okayo
Joshua Cassidy
II YÿaF20I 12002
i
2012
Wakaka Tsuÿhida 201 t 1,568
Time (h)2,050
2,345
I,307
........ ;ÿg7":" -ÿ:;ÿ;rÿ ............
r).
.... q":;ÿ L";," ÿ:+!;ÿqi: ...................
><ÿ,"X. ÿ+ .
"U,0"? !.-.O
Theshownin the table to oM{:iTfitdthe miles peÿ, hour foreach division winner. Round to tlÿenem'est thousandflÿ.
%< I" "ÿ"' I ,< ÿ,+ÿt7 #.;Zv:Y'O ....
4, Nikki is ÿuyiÿg,,sÿ,.-iÿ,.cator magnets for tl..ec
( ....... '<ÿ" - t6. Yori has]tÿ.25 culls€of cupcake batter. If each cupcake /uses 0,7) c:up"of batter, how many cupcakes..ÿan Yon imÿe?- ............. I-i ..................... " I
For Exercfses I and 2ÿ use the recipe for chocolate fl'osdng.
3/" : .,.-*
Chocolate Frosting Recipe'17 cup butter
2 ounces melted unsweetened chocolate
2 cups powdered sugar
12 teaspoon vanilla
2 tablespoons milk
•, : if;
/-,->d t
1.,,.Geÿgia wants to cut the recipe for chocolate fiosting in('ÿ half;for a smalI cake that she is making, How much of"ÿdÿCh .!t}grediet!t wil! sheneed7
, o<ÿ°°"< :C7;;',-,, ÿ ÿ', "ÿUJ .... . . ..ÿ. t_memml ÿt todays couege students began rising
-ÿtÿ&s between the ages of 5 and 8. If a college has"">"3",500 students, how many of the students began using....... ebnÿi15ffters betÿ{;ee]i i1ÿ'g ages of 5 and 8?
2, Suppose Georgia wanted f0 double,flÿe recipe; whatwould be the measurements for e:ach ingredient?
,';,t .£ L}
4ÿ.dÿ< ":.OÿP ÿ ÿ:.4".gtÿ::ÿI
,.2
4. A paper published in a medical jom'naI repoÿxed that
about ÿ oÿ gnqs ages ] 6 to 17 do not exercise at all,
Thd'entire'study consisted of about 2.50{)ÿh'ls. Abouthow many did not exercise? " -; .............. " "
5, h -mile relay rac% each runner ruÿ,s ÿ Aile..How
many runneÿ:s.are in the race?
.......... ,w ............
3::)
[
3, NÿsÿitawaIked to Mÿelc's Riverside Toms, Sÿ!otiÿd
that the stm went behind a cloud .about eÿ ely ;- of9
mile..During tÿer walk, how many times di&dÿe'%unÿ ÿobehind Ne clouds? .....................................................................
4, Brenda.iÿe-nmt of mint ohoeolate chÿp ÿoe oream, If3¢:2°'% /3""ÿ.- ;,'o< . . . J
Mm'k ate - pint ofmalt -ÿce cream. How many tÿmes I;.&..j- .................more ice oremn did )#!ark eat? ...................... I
: .... , ...................... [I;i ÿ ! !
' X"':2 ÿ-.
d;,ÿThree fomÿ!s dÿ'ÿollÿ-ge"studetkts use:the hÿternet morethmi NÿfibtNy..Nÿ!ÿe hundredthg'uÿe the hbrary more.
_..o,ÿ
:",: ,5 ,!,4 Lÿ
/
f,:2
i i,.
i' ÿ -vÿ.,,o-ÿ-, ÿo;;:-,,,;>
Course I ÿ Ohapte,r 2 Multiply and, Divide Rational .Numbers
NAME DATE PERIOD
Lesson 7 Problem-Solving Practice
Mutdply and Divide ML ed Numbers
For Exercises 1-3ÿ use the tab|eo The table shows Keith's food options forÿ7ÿ," eutdoor sur¢ivai cotÿrse,
Peanut butter
Dried noodles/rice
Dried fruit/nuts
Concentrated juice boxes
Beef jerky
Powdered milk
Dehydrated soup
Canned tuna/meat
Food Options for %Day Outdoor Smwival Course
1 plastic jar = 4-s cups5
14-32- cups
6-1 cups6
8 boxes = 16¼ cups
3£ cupss
1 box = 8.4 cups5
5 packages = 153 cups
5-3 cups4 cans = 5
+ [ ;[ ÿ-% ÿ,ÿ. v;,,ÿ,>1, Keith plans on eatmÿ 1ÿ cupÿ of tuna per day fdi: five')
days. How muclÿ tuna does he need? Is 4 cans enough?
31 Six}ther students have been advised to bring the same"Nenu on the course. How many cups of dried fruits andnuts will the students be bringing all together?