LCM and GCF Word Problems Flashcard

Front

What is the Least Common Multiple (LCM)?

Back

The LCM of two or more numbers is the smallest number that is a multiple of 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 each of the numbers without leaving a remainder.

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 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 identify the largest factor that appears in both lists.

Front

What is the LCM of 15 and 20?

Back

The LCM of 15 and 20 is 60.

Front

What is the GCF of 36 and 12?

Back

The GCF of 36 and 12 is 12.

Front

If a baker packages cookies in boxes of 15 and 20, how many cookies can he package equally?

Back

He can package 60 cookies equally.

Front

If a farmer plants crops every 18 days and another every 24 days, when will he plant both on the same day?

Back

He will plant both on the same day after 72 days.

Front

What is the smallest number of items a factory can produce in batches of 35 and 50?

Back

The factory can produce 175 items.

Front

How many students can be in each group if a school has 36 students and wants equal groups?

Back

The largest number of students in each group can be 12.

Tags

CCSS.4.OA.B.4