Name________________________________________ Date ____/____/________ #_______-____ 6.NS.4 GCF, LCM Real World Application Identifying GCF and LCM Some Key words and ideas to help you identify GCF/LCM LCM GCF • All ___________________ words • All ____________________ words • S__ __ __ __ __ __ t • L __ __ __ __ __ t • Fewest • __________________ (opposite of fewest) • Something _______________________ • __________________ things up • ___________________ items • __________________ things • When something happens _______________ or at the _______________ time 1) Z100 gave away 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? I am looking for (circle one) GCF -or- LCM 2) Rosa is making a board game that is 16 inches by 24 inches. She wants to use square tiles. What is the size of the largest tile she can use? How many tiles of this size can she use? I am looking for (circle one) GCF -or- LCM 6.NS.4 GCF/LCM! Problem Solving 3) 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 lass so that each student gets an equal number of crayons and an equal number of paper? How many pieces of paper does each student get? Crayons? I am looking for (circle one) GCF -or- LCM 4) 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 at 1:00 PM and go in the same direction, at what time will they meet again at the starting point? I am looking for (circle one) GCF -or- LCM 5) Try to make up your own GCF -or- LCM problem. 6.NS.4 GCF/LCM! Problem Solving Name________________________________________ Date ____/____/________ #_______-____ 6.NS.4 GCF, LCM Stations Recording Sheet Station 1 In this problem I need to find (circle one) GCF -or- LCM Work: Labeled answer: Station 2 In this problem I need to find (circle one) GCF -or- LCM Work: Think: How many rows are there? How many pansies and daisies would have to be in each row. Labeled answer: Station 3 In this problem I need to find (circle one) Work: Labeled answer: 6.NS.3 GCF, LCM GCF -or- LCM Station 4 In this problem I need to find (circle one) Work: GCF -or- LCM Challenge: How many boys and girls are in each group? Labeled answer: Station 5 In this problem I need to find (circle one) Work: GCF -or- LCM Challenge: How many mangoes and kiwis are in each basket? Labeled answer: Station 6 In this problem I need to find (circle one) Work: Labeled answer: 6.NS.3 GCF, LCM GCF -or- LCM Station 1 Macy is painting a design that contains two repeating patterns. One pattern repeats every 8 inches. The other pattern repeats every 12 inches. In how many inches will the two patterns begin at the same place? 6.NS.4 GCF, LCM Station 2 A gardener has 27 pansies and 36 daisies. He plants an equal number of each type of flower in each row. What is the greatest possible number of pansies in each row? 6.NS.4 GCF, LCM Station 3 An airport offers two shuttles that run on different schedules. Both shuttles leave the airport at 4:00 P.M. At what time will they next leave the airport together? Shuttle Schedule 6.NS.4 GCF, LCM Shuttle Departs A every 6 minutes B every 9 minutes Station 4 Fourteen boys and twenty-one girls will be equally divided into groups. Find the greatest number of groups that can be created if no one is left out. 6.NS.4 GCF, LCM Station 5 A grocery store clerk has 16 mangoes and 20 kiwis. The clerk needs to put an equal number of mangoes and kiwis into baskets. What is the greatest number of baskets that can be made so that no fruit is left? 6.NS.4 GCF, LCM Station 6 Jessica waters her plants every two days. She trims them every 15 days. She did both today. When will she do both again? 6.NS.4 GCF, LCM
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