GCF and LCM Word Problems Challenge

The video tutorial explains the difference between greatest common factor (GCF) and least common multiple (LCM) through word problems. It provides examples of each type of problem, discusses key concepts and keywords, and demonstrates how to solve an LCM problem using a practical example. The tutorial emphasizes understanding the context of problems to determine whether to use GCF or LCM.

What is the learning target for today?

• I can calculate the area of a circle.

• I can identify prime numbers.

• I can determine the difference between GCF and LCM word problems.

• I can solve algebraic equations.

In the GCF word problem, how many football trophies does Tanner have?

• 24

• 18

• 12

• 6

What does Tanner want to do with his trophies and ribbons?

• Sell them

• Throw them away

• Donate them

• Display them in groups

Tags

CCSS.RL.6.3

CCSS.RL.6.6

CCSS.RL.7.6

CCSS.RL.8.6

CCSS.RL.9-10.3

In the LCM word problem, how often does the timer for pizza buzz?

• Every 20 minutes

• Every 6 minutes

• Every 10 minutes

• Every 14 minutes

What is a key action involved in solving LCM problems?

• Adding

• Dividing

• Subtracting

• Multiplying

Which keyword is associated with GCF problems?

• Groups

• Repeated action

• Skip counting

• Buzzing

What does the term 'repeated action' refer to in LCM problems?

• Grouping items

• Multiplying numbers

• Breaking things down

• Dividing numbers

In the LCM word problem, how many packages of cups are needed if cups are sold six to a package?

• 4

• 3

• 5

• 2

How many packages of plates are needed if plates are sold eight to a package?

• 5

• 2

• 3

• 4

Tags

CCSS.3.OA.A.3

What is the total number of plates and cups needed for the party?

• 30

• 24

• 18

• 12

Tags

CCSS.1.NBT.A.1