Dividing Fractions Lesson

🔖 Job Cards ✔️

💻 Computer ✔️

📓 Journal ✔️

📑 Papers ✔️

🀫 Plickers ❌

🧴 Glue Stick ❌

✂️ Scissors ❌​

🧰 Materials

​🧩 Success Criteria

✅ Rewrite a division problem using KCF

✅​ Understand what a reciprocal is​

✅ Multiply numerator by numerator and denominator by denominator

✅ Simplify the fraction if needed

📅 Agenda

🎯 I can divide Fractions

​"All our dreams can come true, if we have the courage to pursue them."

Fill in the Blanks

A grocery store sells steak for $3.10 per pound.

To feed a family, you need 2.14 lbs. of steak. How much do you pay in total?

Draw

Using the digits 1 to 9 at most one time each, fill in the boxes to make a whole number product.

Draw

Using the digits 1 to 9 at most one time each, place a digit in each box to make a whole number product.

Thank you for taking your education seriously

Time to turn in the Homework

Time to glue in Journal Entry 🧴

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Examples

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Draw

Draw connecting lines to match the mixed number with the improper fraction

Always write KCF when you divide with fractions

Model👨🏻‍🏫

Draw

Rewrite the problem using KCF, then solve it.

It's spaghetti night at Alana's house. She has $$\frac{1}{2}$$   of a cup of grated cheese to sprinkle equally over $$3$$    bowls of spaghetti.

How many cups of cheese does she put in each bowl?

Always write KCF when you divide with fractions

Model👨🏻‍🏫

Draw

Rewrite the problem using KCF, then solve it.

Mr. Merritt’s class is having a party. To help get ready, Ariel is putting salsa into bowls. She has $$2\frac{1}{2}$$   gallons of salsa and 4 bowls.

How much salsa does Ariel put into each bowl?

⬜ Rewrite a division problem using KCF

⬜​ Understand what a reciprocal is​

⬜ Multiply numerator by numerator and denominator by denominator

⬜ Simplify the fraction if needed

Review

Multiple Choice

Marco buys $$5$$  small bottles of mango juice from the grocery store. He plans on drinking $$\frac{1}{2}$$  of a bottle every morning when he has breakfast.

How much of a day will the mango juice last for?

•   $$5\frac{1}{2}$$  

•   $$\frac{5}{10}$$  

•   $$\frac{5}{2}$$  

•   $$\frac{1}{10}$$  

Multiple Choice

Harold checks his pantry to see how much cat food he has.

He finds a bag of Paw Picnic cat food with $$2\ \frac{2}{3}$$   cups left in it.

Harold feeds his cat $$\frac{1}{3}$$   of a cup of food every day.

How many days will the cat food last?

• $$\frac{24}{3}$$  

• $$\frac{8}{9}$$  

• $$\frac{8}{3}$$  

• $$2\frac{2}{9}$$  

Multiple Choice

Sharon is building shelves using a $$2$$ -foot-long piece of wood.

Each shelf will be $$\frac{1}{3}$$  of a foot long. How many shelves is she going to build?

• $$1\ \frac{1}{6}$$  

•   $$\frac{1}{6}$$  

• $$\frac{2}{3}$$  

• $$2\ \frac{1}{3}$$  

Multiple Choice

Alice has been experimenting with different blueberry muffin recipes.

She has decided that the world’s greatest blueberry muffins

have $$\frac{1}{8}$$   of a cup of blueberries in each muffin.

She has $$\frac{21}{4}$$   cups of blueberries. How many muffins can she make?

• $$\frac{40}{1}$$  

•    $$\frac{42}{1}$$  

•   $$\frac{21}{32}$$  

•   $$4\ \frac{2}{1}$$  

Multiple Choice

Suzie's Smoothies has $$\frac{1}{4}$$   of a gallon of pineapple juice left.

That's not enough to make their famous Tropical Meltdown smoothy, so they give the juice out as free samples.

They pour the juice into small cups and are able to fill $$5$$  cups.

How many gallons of pineapple juice are in each cup?

•   $$5\ \frac{1}{4}$$  

•     $$\frac{1}{25}$$  

•    $$\frac{1}{20}$$  

•    $$\frac{5}{4}$$  

Multiple Choice

For the school food drive, Darren is packing cans of soup into a box.

Each can weighs $$\frac{1}{2}$$   of a pound and the box can safely hold $$6$$  pounds without breaking.

How many cans can Darren pack into the box?

•    $$\frac{1}{8}$$  

•      $$6\ \frac{1}{2}$$  

•     $$\frac{6}{2}$$  

•     $$\frac{1}{12}$$  

Poll

Do you feel confident in dividing fractions?

• ✅ Yes, thank you.

• ❌ No, I need help in a small group.

• ❗ No, I need help in tutoring. I'll make sure to find a time that works.