Least Common Multiples

Front

What is a multiple of a number?

Back

A multiple of a number is the product of that number and an integer. For example, the multiples of 3 are 3, 6, 9, 12, etc.

Front

How can you find the multiples of a number?

Back

You can find the multiples of a number by skip counting by that number or by using repeated addition.

Front

What is skip counting?

Back

Skip counting is counting by a number other than one, such as counting by twos, threes, or any other number.

Tags

CCSS.1.NBT.A.1

Front

What is repeated addition?

Back

Repeated addition is adding the same number multiple times, which is equivalent to multiplication.

Tags

CCSS.3.OA.A.1

Front

What does LCM stand for?

Back

LCM stands for Least Common Multiple.

Front

How do you find the least common multiple (LCM) of two numbers?

Back

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

Front

What is the least common multiple (LCM) of 4 and 6?

Back

The least common multiple (LCM) of 4 and 6 is 12.

Front

What is the least common multiple (LCM) of 6 and 12?

Back

The least common multiple (LCM) of 6 and 12 is 12.

Front

What is the least common multiple (LCM) of 8 and 5?

Back

The least common multiple (LCM) of 8 and 5 is 40.

Front

What is the relationship between LCM and GCD (Greatest Common Divisor)?

Back

The relationship is given by the formula: LCM(a, b) = (a * b) / GCD(a, b).