LCM and GCF Review Real World and Problems

Mandy is making emergency-preparedness kits to share with friends. She has 12 bottles of water and 16 cans of food, which she would like to distribute equally among the kits, with nothing left over. What is the greatest number of kits Mandy can make?

• GCF, 24 kits

• LCM, 4 kits

• GCF, 4 kits

• LCM, 24 kits

Edeena is packing equal numbers of apple slices and grapes for snacks. Edeena bags the apple slices in groups of 18 and the grapes in groups of 9. What is the smallest number of grapes that she can pack?

• GCF, 9 grapes

• LCM,18 grapes

• GCF, 18 grapes

• LCM, 9 grapes

Ariel is making"flower arrangements. He has 7 roses and 14 daisies. lf Ariel wants to make all the arrangements identical and have no flowers left over, what is the greatest number of flower arrangements that he can make?

• GCF, 7 arrangements

• LCM,7 arrangements

• GCF, 98 arrangements

• LCM, 98 arrangements

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

At the gym, Hillary swims every 6 days, runs every 4 days and cycles every 16 days. If she did all three activities today, in how many days will she do all three activities on the same day? (hint LCM)

• 16

• 24

• 48

• 32

Hazel and Isabella are shelving books at the Sheppard library Hazel shelves 5 books at a time, where as Isabella shelves 6 books at a time. If they end up shelving the same number of books, what is the smallest number of books each could have shelved.

• LCM= 15 Books

• LCM= 12 Books

• LCM = 30 Books

• LCM= 24 Books

For a dinner party, Khoi is creating individual servings of starters. She has 9 carrot sticks and 18 celery sticks. If she wants each sering to be identical, with no food left over, what is the greatest number of servings Khoi can create?

• GCF= 36

• GCF= 18

• GCF= 27

• GCF= 9

To encourage public transportation, Dorothy wants to give some friends envelopes with bus tickets and light rail tickets in them. If she has 18 bus tickets and 12 light rail tickets split equally among the envelopes, and wants no tickets left over what is the greatest number of envelopes Dorothy can make?

• GCF= 6 Envelopes

• GCF= 12 Envelopes

• GCF= 18 Envelopes

• GCF= 24 Envelopes

Maybelline and Kimberly ended up making the same number of biscuits for a bake sale at Sheppard, even though Maybelline made them in batches of 7 biscuits and Kimberly baked them in batches of 11 biscuits. What is the smallest number of biscuits each must have baked?

• LCM= 70 Biscuits

• LCM = 77 Biscuits

• LCM = 112 Biscuits

• LCM= 24 Biscuits

Victoria is making emergency kits to share with Sheppard. She has 20 bottles of water and 12 cans of food, which she would like to districte equally among kits, with nothing left over. What is the greatest number of kits Victoria can make?

• GCF = 8 Kites

• GCF = 2 Kites

• GCF= 4 Kites

• GCF= 12 Kites