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 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 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

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

What is an example of a real-world problem that can be solved using LCM?

Back

Scheduling events that repeat at different intervals, such as planting crops every 18 and 24 days.

Front

What is an example of a real-world problem that can be solved using GCF?

Back

Dividing items into groups of equal size, such as grouping 36 students into the largest equal groups.

Front

If a farmer plants crops every 18 days and another type every 24 days, what is the LCM of 18 and 24?

Back

The LCM of 18 and 24 is 72 days.

Front

If a school has 36 students and wants to form groups, what is the GCF of 36?

Back

The GCF of 36 is 12, meaning the largest group size is 12.

Front

What is the LCM of 15 and 20?

Back

The LCM of 15 and 20 is 60.

Front

What is the GCF of 30 and 45?

Back

The GCF of 30 and 45 is 15.