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## Number Sense Test Review

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**Find the GCF!**30 53**Find the GCf of**9, 36, 60**Find the LCM!**18, 20, 24**Find the LCM**9 and 16**State the value of N to make the statement true. Then name**the property.**Use variables a,b and c to define the Associative Property**of Multiplication.**Use variables a, b, and c to define the Distributive**Property**GCF = 4**LCM = 60**** GCF = 1 ****LCM = 900**GCF or LCM ? You decide.**Two bikers are riding a circular path. The first rider completes a round in 12 minutes. The second rider completes a round in 18 minutes. If they both started at the same place and time and go in the same direction, after how many minutes will they meet again at the starting point?**GCF or LCM ? You decide.**Z100 gave away a Z $100 bill for every 100th caller. Every 30th caller received free concert tickets. How many callers must get through before one of them receives both a coupon and a concert ticket?**LCM**LCM**GCF or LCM ? You decide.**Mrs. Evans has 120 crayons and 30 pieces of paper to give to her students. What is the largest number of students she can have in her class so that each student gets an equal number of crayons and equal amount of paper?**ag**GCF