2.nd /Benchmark review

Post test practice 2:/Benchmark

FQ; How can we solve GCF and LCM problems as a preparation for the unit post test

Multiple Choice

At a bus station, buses begin their routes at 6:00 a.m. The schedule for two of the buses is

based on the time intervals listed below.

Bus A has a long route and leaves the station every 75 minutes.

Bus B has a short route and leaves the station every 15 minutes.

What is the next time Bus A and Bus B will leave the bus station at the same time?

• A 7:00 a.m.

• B 7:15 a.m.

• C 7:30 a.m.

• D 8:30 a.m.

Multiple Choice

what is the lcm of 6 and 10

• 2

• 30

• 60

• 120

Multiple Choice

Three friends entered a race around a track. Edward takes 6 minutes to run one lap. Bernie takes 3 minutes to run one lap and it takes Freddy 5 minutes to run one lap. If all three friends begin the race at the same time, how many minutes will it take for all three friends to be at the starting point again?

• 12

• 14

• 30

• 15

Multiple Choice

Which expression uses the greatest common factor and distributive property to write 18+ 24 as a product

• 2(9 +2)

• 8(10 + 16)

• 6(3) + 6(4)

• 6( 3+ 4)

Multiple Choice

which pair of numbers has the same Greatest common factor as that of 48 and 78?

• 4 and 34

• 8 and 18

• 9 and 15

• 12 and 30

Multiple Choice

The whole number has a least common multiple of 45. Each number is less than or equal to 15. The greatest common factor of two numbers is 3

• 5 and 15

• 9 and 15

• 1 and 9

• 3 and 15

Multiple Choice

Matthew does hiking every 12 days and swimming every 6 days. He did both kinds of exercise today. If today is November 3rd , when is the next day Matthew will go hiking and swimming?

• November 3

• November 15