Transcription of AMC 10/12 Student Practice Questions
1 (A)1212(B)20(C)25(D)3313(E)37122011 AMC8, problem #7 Findthe shadedportionof eachsquare separately. SolutionAnswer (C):Theupperleftandthelower rightsquaresare eachone-fourthshaded, leftsquaresmakeup thetotalshadedareaisonefullsquare,whichi s25% :MediumSMP-CCSS:2,7 CCSS- , original problem and choices from the 2011 AMC 8 contestProblem number HintSolution from official solutionsDifficulty, percent correct Easy 100-80% Med Easy 80-60% Medium 60-40% Med Hard 40-20% Hard 20-0%Standards for Math PracticeCommon Core State StandardGuide to Student Practice QuestionsAMC 10/12 Student Practice Questions2 AMC 10/12 Student Practice Questions continued3 AMC 10/12 Student Practice Questions continued4 AMC 10/12 Student Practice Questions continued5 AMC 10/12 Student Practice Questions continued6 AMC 10/12 Student Practice Questions , (A)140(B)175(C)210(D)245(E)
2 2802014 AMC10A, problem #15 Whatistheremainingdistanceafteronehourof driving,andtheremainingtimeuntilhisfligh t? SolutionAnswer(C):Letdbetheremainingdist anceafteronehourofdriving, (t+1),andd=50(t ).Solvinggivest=4andd= +35= 35milesis1+d ,sod35 (1+d 3550)= :MediumHardSMP- , 10/12 Student Practice Questions (A)32(B)53(C)74(D)2(E)1342014 AMC10B, problem #4 Whatisthecostofmuffinandabanana? SolutionAnswer(B) (4m+3b)=2m+16b,andsimplifyinggivesm= :MediumEasySMP.
