Find GCF of 84 and 60. The GCF of 84 and 60 is 12.

Find LCM of 6 and 22. The LCM of 6 and 22 is 66.

4 9 ÷ 2 3 = 2 3

3 1 2 ÷ 1 8 = 28

3 1 3 ÷ 5 6 = 4

4 1 2 ÷1 1 5 = 3 3 4

Solve the story problem. Taylor decided to make popcorn balls as Halloween treats for the children in her neighborhood. She has 4 1 3 sticks of butter. If she needs 2 3 of a stick for each batch of treats she makes, how many whole batches of treats can she make? She can make 6 whole batches.

Solve the story problem. Rylee has 16 cups of dark chocolate. She is repackaging it for gifts into bags holding 2/3 of a cup each. How many bags of chocolate can she make? She can make 24 bags of chocolate.

13.45 + 8.4 5.05

14 – 8.63 5.37

5.63 x 6.8 38.284

Solve the story problem. Kara and Stephanie went to go get pedicures. Each pedicure cost $27.35, and Stephanie gave the nail technician a $3.50 tip per pedicure. If Stephanie pays with a $100 how much change will she get? Stephanie will get $38.30 back.

Choose the student who solved the problem correctly. Mark answers the problem: 0.8 + 10.339. His work is shown below. Is he correct? If he is, prove it with math. If he is not, prove it with math and explain his mistake. Mark is not lining his decimals up so his answer is not correct. Mark’s Work 0.8 +10.339 10.347

568 ÷ 20 28.4

35.75 ÷ 2.5 14.3