6.5.2 Dividing Fractions Part 2

Objective: Use models to divide proper fractions and whole numbers.

• Dividing whole numbers and fractions

Type 1: 5 ÷3

5

Type 2: 3

4÷ 6

Example 1

Find each quotient.

a) Benny has one-half a litre of milk to pour equally among 3 glasses. How much milk should he pour into each

glass?

b) Chen and Luke equally shared 3

4 of a pizza. How much of the whole pizza was each person’s share?

Step 1: ________________ the whole number into a

__________________

Step 2: ____________ the second fraction and

______________________

Dividing Mixed numbers

22

5÷ 2

2

7

Example 2

Divide. Estimate to check each quotient is reasonable.

3 51 24 6

5 3

2 38 4

3 4

3 25 7

Example 3

Brittany has a summer job in a bakery. One day, she sued 3

34

cups of chocolate chips to make chocolate-chip muffins. A

dozen muffins requires 3

4 cup chocolate chips. How many dozen chocolate-chip muffins did Brittany make that day?

Step 1: Change mixed numbers into

_________________________________________

Step 2: ___________ the second fraction and

_______________________________