12-4

Enrichment
Name
12-4
Cooking Up Fractions
1. Abrownierecipecallsfor_23cupofchocolatechipsfor
eachpanofbrownies.Nadinehas1cupofchips.Does
shehaveenoughchocolatechipstomake2pansof
brownies?Explain.
Sample answer: No; she would need
_4 cup, and one cup is only _3 cup.
3
3
2. Inthequestionabove,ifNadine’sneighborgaveher2cups
ofchocolatechips,wouldshehaveenoughchocolatechips
tomake3pansofbrownies?Explain.
Sample answer: Yes; she would
need _63 cup, and two cups is _63 cup.
7
3. Tim’soatmealcookierecipecallsfor__
12
ofacup
5
__
ofoatmeal.Timonlyhas12ofacupofoatmeal.
Howmuchmoreoatmealdoesheneedtomake
thecookies?
2 or __
1 cup
___
12
7
4. Thereare14cakedecorationsinabox:__
14
are
3
4
__
__
ballerinas,14clowns,and14pandas.Jacob
takes2ofthedecorations.Whatfractionof
decorationsareleftinthebox?
6
12 5 __
___
14
5. Tanyabaked12cheesecakes.Shewillgarnish
3
6
withstrawberries,__
12
with
eachwithfreshfruit:__
12
3
__
blueberries,and12withcherries.AfterTanya
garnishes3ofthecheesecakes,whatfraction
ofcheesecakesremaintobegarnishedwithfruit?
6. TheBluebellCookingSchool’scake
4
full.Whatfraction
decoratingclassis__
10
oftheclassisstillopentostudents?
Showyourwork.
E 12•4
6
7
9 5 __
3
___
12
4
10 2 ___
6 5 __
3
4 5 ___
___
10
10
10
5
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