Unit 1 Review

Find the product of 6.48 and 4.7.

Find the quotient of 23.555 and 0.014.

• 1

• 2

• 3

• 4

Ms. Johnson brought in M&M's for a class party. M&M's come in a 5.8-pound bag.

• The boys ate 3.45 bags of M&M's.

• The girls ate 2.8 bags of M&M's.

How many pounds of M&M's did the class eat?

Two red lights are a hundred yards apart.

• One light changes every 12 seconds.

• The other light changes every 16 seconds.

If both lights change at the same time, how many seconds until they both change together?

What is the greatest common factor of 64 and 240?

Allison and Mara own a flower shop. They have 225 red roses and 150 yellow carnations . They decide that they want to divide the flowers into identical bouquets so that each bouquet has the same number of each kind of flower. Allison says that it will take a maximum of 450 bouquets. Mara disagrees and says that it will take a maximum of 75 bouquets to make an equal amount of each flower. Do you agree with either of them? Explain your reasoning.

• I agree with Allison, she found the GCF, 450

• I agree with Allison, she found the LCM, 450

• I agree with Mara, she found the GCF, 75

• I agree with Mara, she found the LCM, 75

• Both are wrong, they didn't account for the decimal placement when multiplying.

• Jason is correct, because Gavin didn't account for the decimal placement when multiplying.

• Both are correct. The decimal placement doesn't matter when multiplying.

• Gavin is correct, because Jason didn't account for the decimal placement when multiplying.