Least Common Multiple - Word Problems

Two neon signs are turned on at the same time.  Both signs blink as they are turned on.  One sign blinks every 9 seconds.  The other sign blinks every 15 seconds.  In how many seconds will they blink together?

• Greatest Common Factor
• Least Common Multiple

Tags

CCSS.6.NS.B.4

Lisa is making activity baskets to donate to charity.  She has 12 coloring books, 28 markers, and 36 crayons.  What is the greatest number of baskets she can make if each type of toy is equally distributed among the baskets?

• Greatest Common Factor
• Least Common Multiple

Tags

CCSS.6.NS.B.4

Sara has 16 red flowers and 24 yellow flowers.  She wants to make bouquets with the same number of each color flow in each bouquet.  What is the greatest number of bouquets that she can make?

• Greatest Common Factor
• Least Common Multiple

Tags

CCSS.6.NS.B.4

The school cafeteria serves tacos every sixth day and cheeseburgers every eight day. If tacos and cheeseburgers are both on today’s menu, how many days will it be before they are both on the menu again?

• Greatest Common Factor
• Least Common Multiple

Tags

CCSS.6.NS.B.4

Two clocks are turned on at the same time.  One chimes every 15 minutes.  The other chimes every 25 minutes.  In how many minutes will they chime together?

• 5
• 75
• 15
• 25

Tags

CCSS.6.NS.B.4

A radio station is giving away a $100 bill to every 30th caller and movie tickets to every 40th caller.  Which caller will be the first to win both prizes?

• 5
• 2
• 10
• 120

Tags

CCSS.6.NS.B.4

Henry and Mark are traveling around a circular track.  Henry is riding his bike and takes 7 minutes to make one loop. Mark is walking and takes 12 minutes to make one loop.  If they start at the same time, in how many minutes will they meet each other again?

• 1
• 7
• 84
• 12

Tags

CCSS.6.NS.B.4

The school cafeteria serves tacos every sixth day and cheeseburgers every eighth day.  If tacos and cheeseburgers are both on today's menu, in how many days will they both be on the menu again?

• 24
• 2
• 6
• 12

Tags

CCSS.6.NS.B.4

Two neon signs are turned on at the same and begin to blink.  One sign links every 9 seconds.  The other blinks every 15 seconds.  In how many seconds will they blink together?

• 3
• 5
• 45
• 9

Tags

CCSS.6.NS.B.4

Melanie and Martin are both building a toy train track out of connecting pieces. Melanie has pieces that are 8 inches long while Martin's pieces are 20 inches long.  How long will the shortest track be that they can each build with the same length?

• 2
• 40
• 4
• 20

Tags

CCSS.6.NS.B.4