LCM & GCF Word problems

Front

What does LCM stand for?

Back

LCM stands for Least Common Multiple, which is the smallest multiple that two or more numbers share.

Front

What does GCF stand for?

Back

GCF stands for Greatest Common Factor, which is the largest factor that two or more numbers share.

Front

How do you find the LCM of two numbers?

Back

To find the LCM, list the multiples of each number and find the smallest multiple that appears in both lists.

Front

How do you find the GCF of two numbers?

Back

To find the GCF, list the factors of each number and find the largest factor that appears in both lists.

Front

What is the LCM of 12 and 18?

Back

The LCM of 12 and 18 is 36.

Front

What is the GCF of 12 and 36?

Back

The GCF of 12 and 36 is 12.

Front

If Peter has 18 oranges and 27 pears, how many pears will be in the greatest number of fruit baskets?

Back

9 pears.

Tags

CCSS.3.OA.A.3

Front

If Jenny goes to karate class every 12 days and to the library every 18 days, when will she do both again?

Back

36 days.

Front

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

Back

The 150th customer.

Front

If Melanie has 8-inch track pieces and Martin has 20-inch track pieces, what is the shortest track they can both build?

Back

40 inches.