0.4 - GCF & LCM Word Problems

Which keyword suggests that a problem requires finding the Greatest Common Factor (GCF)?

• Repetition

• Smallest

• Grouping

• Again

Which keyword indicates that a problem requires finding the Least Common Multiple (LCM)?

• Equally

• Maximum

• Least

• Sharing evenly

Ben exercises every 12 days and Lizzie exercises every 8 days. If they both exercised today, how many days will it be until they exercise together again?

Mr. Shaw has 100 pencils and 40 erasers. He wants to give each student an equal number of pencils and an equal number of erasers, with none left over. What is the maximum number of students he can have in his class?

(a)  

• 10 students

• 20 students
• 40 students

• 100 students