GCF / LCM

Front

What does GCF stand for?

Back

GCF stands for Greatest Common Factor, which is the largest number that divides two or more numbers without leaving a remainder.

Front

What does LCM stand for?

Back

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

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 the GCF of 12 and 36?

Back

The GCF of 12 and 36 is 12.

Front

What is the LCM of 15 and 25?

Back

The LCM of 15 and 25 is 75.

Front

If Lisa has 12 coloring books and 36 crayons, how many baskets can she make?

Back

Lisa can make 12 baskets, distributing 1 coloring book and 3 crayons in each.

Tags

CCSS.3.OA.A.3

Front

If two clocks chime every 15 and 25 minutes, when will they chime together?

Back

They will chime together every 75 minutes.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.

Tags

CCSS.6.EE.A.3

Front

What is an example of using the GCF in an expression?

Back

For the expression 24 + 30, the GCF is 6, so it can be rewritten as 6(4 + 5).