Application on LCM/HCF: Tell whether the following word problems could be solved using HCF or LCM…

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.

• LCM

• HCF

• None

Rosa is making a game board that is 16 inches by 24 inches. She wants to use square tiles. What is the larges tile she can use?

• LCM

• HCF

• None

Samantha has two pieces of cloth. One piece is 72 inches wide and the other piece is 90 inches wide. She wants to cut both pieces into strips of equal width that are as wide as possible. How wide should she cut the strips?

• HCF

• LCM

• None

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?

• LCM

• HCF

• None

I am planting 50 apple trees and 30 peach trees in rows. I want to mix the apple and peach trees in my rows, and I want each row to be the same. What is the maximum number of trees I can plant per row?

• LCM

• HCF

• None

The number of students in three sections A, B, and C of class VI in The Millennium school are 30, 35 and 40. Find the minimum number of books required for the class library for equal distribution in section A, B and C.

• LCM

• HCF

• None