LCM & GCF Word problems

Front

What is the Least Common Multiple (LCM)?

Back

The LCM of two or more numbers is the smallest multiple that is exactly divisible by each of the numbers.

Front

What is the Greatest Common Factor (GCF)?

Back

The GCF of two or more numbers is the largest number that divides all of them without leaving a remainder.

Front

How do you find the GCF of two numbers?

Back

To find the GCF, list the factors of each number and identify the largest factor they have in common.

Front

How do you find the LCM of two numbers?

Back

To find the LCM, list the multiples of each number and identify the smallest multiple they have in common.

Front

What is a word problem involving LCM?

Back

A word problem that requires finding the LCM typically involves events that repeat at different intervals.

Front

What is a word problem involving GCF?

Back

A word problem that requires finding the GCF typically involves distributing items evenly into groups.

Front

Sara had 16 red flowers and 24 yellow flowers. What is the greatest number of bouquets she can make?

Back

8 bouquets.

Front

Jenny goes to karate class every 12 days and to the library every 18 days. When will she do both again?

Back

36 days later.

Front

At the movie theater, who is the first customer to win both a free drink and popcorn?

Back

The 150th customer.

Front

Lisa has 12 coloring books and 36 crayons. What is the greatest number of baskets she can make?

Back

12 baskets.