Lesson 6-3 HW (pg. 123-124)

A train stops on track C every 10 minutes. A train stops on track D every 6 minutes. Trains stop on track C and track D at 10:30am. When will trains stop on both tracks at the same time again?

• 11:00am

• 11:30am

• 12:00pm

• 12:30pm

Tags

CCSS.6.NS.B.4

Find the least common multiple of 6 and 9.

• 36
• 24
• 12
• 18

Tags

CCSS.6.NS.B.4

What is the least common multiple (LCM) of 7 and 10?

• 50
• 30
• 14
• 70

Tags

CCSS.6.NS.B.4

The LCM of two numbers is 18. One of the numbers is 9. The other number is less than 9. What could the other number be?

THERE IS MORE THAN ONE ANSWER.

• 9

• 2

• 18

• 6

Tags

CCSS.6.NS.B.4

Pilar swims every 4 days and jogs every 6 days. She swims and jogs today. How many days from now will she both swim and jog again?

• 10 days
• 14 days
• 12 days
• 8 days

Tags

CCSS.6.NS.B.4

USE YOUR NOTES:

What is the LCM of 18 and 10?

• 36
• 45
• 90
• 60

USE YOUR NOTES:

What is the LCM of 4 and 9?

• 12
• 36
• 18
• 27

Tags

CCSS.6.NS.B.4

USE YOUR NOTES:

Joey has football practice every 3rd day and baseball practice every 7th day. If he has both football and baseball practice today, in how many days will he have them both again?

• 14 days
• 28 days
• 7 days
• 21 days

Tags

CCSS.6.NS.B.4