.III.
Tell whether the following word problems could be solved using GCF or LCM.
1. 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 equal number of crayons and equal number of paper.
2. Rosa is making a game board that is 16 inches by 24 inches. She wants to use square tiles. What is the
largest tile she can use?
3. 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?
4. Sean has 8-inch pieces of toy train track and Ruth has 18-inch pieces of train track. How many of each
piece would each child need to build tracks that are equal in length?
5. I am planting 50 apple trees and 30 peach trees. I want the same number and type of trees per row.
What is the maximum number of trees I can plant per row?​