Exploring LCM and GCF Concepts

What are the learning targets for today's lesson?

• I can find the average of two numbers and I can find the median of two numbers.

• I can find the product of two numbers and I can find the quotient of two numbers.

• I can find the sum of two numbers and I can find the difference of two numbers.

• I can find the least common multiple of two numbers and I can find the greatest common factor of two numbers.

What does LCM stand for?

• Largest Common Multiple

• Least Common Multiple

• Largest Common Measure

• Least Common Measure

What is the first step in finding the least common multiple of two numbers?

• Subtract the two numbers

• List the multiples of each number

• Add the two numbers

• List the factors of each number

What is the least common multiple of 9 and 12?

• 54

• 18

• 72

• 36

What is the least common multiple of 40 and 64?

• 80

• 160

• 40

• 320

What does GCF stand for?

• Greatest Common Fraction

• Greatest Common Factor

• Greatest Common Function

• Greatest Common Formula

What is the first step in finding the greatest common factor of two numbers?

• List the multiples of each number

• List the factors of each number

• Add the two numbers

• Subtract the two numbers

What is the greatest common factor of 40 and 64?

• 4

• 1

• 8

• 2

What is the greatest common factor of 15 and 18?

• 3

• 5

• 15

• 1

What is the least common multiple of 5 and 9?

• 35

• 25

• 15

• 45