KSF2015-selectedproblemsJunior

3pointproblems

1.Whichofthefollowingnumbersisclosestto20.15×51.02?

(A)100(B)1000(C)10000(D)100000(E)1000000

2.Motherdidthelaundryandhangedt-shirtsinlineonaclothingline.Thensheaskedher

childrentoputasinglesockbetweenanytwot-shirts.Nowthereare29clothesonthe

clothingline.Howmanyt-shirtsarethereontheline?

(A)10(B)11(C)13(D)14(E)15

3.Theshadedpartofthesquarewithsideisboundedbyasemicircleandtwoquarterarcs.

Whatisitsarea?

(A)(B)(C)(D)(E)

4.Threesisters,Ann,BethandCindy,boughtabagof30cookies;eachreceived10cookies.

HoweverAnnpaid80cents,Beth50andCindy20.Iftheyhaddividedthecookies

proportionallytothepriceeachpaid,howmanymorecookiesshouldAnnhavereceived?

(A)10(B)9(C)8(D)7(E)6

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KSF2015-selectedproblemsJunior

5.MisterHidewantstodigupatreasurethatheburiedinhisgardenyearsago.Heonly

remembersthatheburiedthetreasureatleast5mawayfromthehedgeandatmost5m

fromthetrunkoftheoldpeartree.Whichofthefollowingpicturesshowstheregionwhere

MisterHideshouldlookforthetreasure?

(A)(B)