2012AMC1012_Worksheet_10A.pdf - Cagney can frost a cupcake every 20 seconds and Lacey can frost a cupcake every 30 seconds Working together how many

2012AMC1012_Worksheet_10A.pdf - Cagney can frost a cupcake...

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Cagney can frost a cupcake every 20 seconds and Lacey canfrost a cupcake every 30 seconds.Working together, howmany cupcakes can they frost in 5 minutes? (A)10(B)15(C)20(D)25(E)30 2012 AMC 10A, Problem #1—2012 AMC 12A, Problem #2—“Find how many cupcakes Cagney and Lacey can make individuallyin five minutes.” Difficulty: 10: Easy 12: Easy SMP-CCSS: 2 CCSS-M: N-Q.1 1
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A square with side length 8 is cut in half, creating two congruent rectangles. What are the dimensions of one of these rectangles? (A) 2 by 4 (B) 2 by 6 (C) 2 by 8 (D) 4 by 4 (E) 4 by 8 2012 AMC 10A, Problem #2— “Findthedimensionsoftherectangleincomparisontothesquare.” Difficulty: Easy SMP-CCSS: 2, 7 CCSS-M: 6.G1 2
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A bug crawls along a number line, starting at-2. It crawls to-6, then turns around and crawls to 5. How many units doesthe bug crawl altogether? 2012 AMC 10A, Problem #3—2012 AMC 12A, Problem #1—“Find each of the distances covered with absolute values.” Difficulty: 10: Easy 12: Easy SMP-CCSS: 2, 4 CCSS-M: N-VM.1 3
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LetABC= 24andABD= 20. What is the smallestpossible degree measure forCBD? 2012 AMC 10A, Problem #4—“Consider the fact thatABis a common ray to both angles.” Difficulty: Medium Easy SMP-CCSS: 1, 5 CCSS-M: 7.G5 4
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Last year 100 adult cats, half of whom were female, werebrought into the Smallville Animal Shelter. Half of the adultfemale cats were accompanied by a litter of kittens.Theaverage number of kittens per litter was 4.What was thetotal number of cats and kittens received by the shelter lastyear? 2012 AMC 10A, Problem #5—“Find how many adult cats have a litter of kittens.” Difficulty: Medium Easy SMP-CCSS: 1 CCSS-M: 5.NF4a 5
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