Dividing Fractions Day 2.

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Presentation transcript:

Dividing Fractions Day 2

What are the 3 steps to dividing? Keep Change Flip

Divide on your own 3 ÷ ¾ = 5 ÷ ¾ = 8 ÷ 4/7 =

Word Problem 4) Harrison has an 8 foot long piece of wood that he wants to cut to build a step stool for his tree house. If each piece is going to be 5/6 foot long, what is the greatest number of pieces he will be able to use?

5) The average adult horse need 2/5 bale of hay each day to meet dietary requirements. A horse farm has 44 bales of hay. How many horses can be fed in one day with 44 bales of hay? Once you solve this, check with your “front/back” partner.

6) Katie ordered 4 sub sandwiches for a party 6) Katie ordered 4 sub sandwiches for a party. Each ½ sandwich is one serving. Does he have enough to serve 7 friends? How much is leftover or how much more is needed? Solve this and then explain with your side to side partner.

On your own #7 Katelyn has hour hours of free time on Saturday. She would like to spend no more than 2/3 of an hour on each activity. How many activities can she do during that time? Justify your procedure.

#8 Jane is solving 8 9 ÷ 4. Find her mistake and correct it 8 9 ÷4 = 8 9 x 4 1 = 32 9 or 3 5 9

9) The Snack Shack is making a batch of trail mix 9) The Snack Shack is making a batch of trail mix. They use 9 1/3 pounds of granola, 9 1/3 pounds of mixed nuts, and 9 1/3 pounds of yogurt raisins to make trail mix. They divide the mixture into 14 packages. How much is in each package? Explain.

Work this out with front to back partner Work this out with front to back partner. – Check with side to side partner 10) Turner has 6 pounds of pasta. Each time he makes dinner he uses ¾ pound of pasta. How many dinners can he make?

11) Natalie took 4 pumpkin pies to a family gathers 11) Natalie took 4 pumpkin pies to a family gathers. If she divides each pie into 6 equal-sized slices, how many slices can he serve?

Do our steps when we divide fractions by fractions? NO WAY!!!

What are the steps? Keep, Change, Flip!

Try dividing these #12 ¼ ÷ ½ = 5/6 ÷ 2/3 =

#13 1/8 ÷ ½ = ¾ ÷ 2/3 = ¾ ÷ 9 =