Dividing Fractions 6.NS.1

Definitions/Rules

100

The bottom number of a fraction is called...

What is denominator

200

The top number of a fraction is called...

What is the numerator 

300

The three steps used when dividing fractions? 

What is Keep, Change, flip (KCF)

400

What do you do when dividing whole numbers by fractions?

Put the whole number over 1 then divide (KCF)   

500

What is the term used to describe the fraction that is "flipped" in KCF?

What is Reciprocal? 

Dividing Fraction Steps

100

If you are dividing mixed numbers, what should you do?

Convert to improper fractions, then divide (KCF) 

200

When dividing fractions, what do you do to the first fraction in the problem?

KEEP it the same. 

300

When dividing fractions, what do you do to the division sign?

Change it to multiplication.

400

When dividing fractions, what must you do to the second fraction in the problem?

Find its reciprocal or flip it

500

What does it mean to simplify a fraction? 

Putting a fraction in its simplest, lowest form 

Dividing Whole #s and Fractions

100

1/2 ÷ 4

1/8 

200

3 ÷ 1/3 

9

300

1/3 ÷ 4

1/12

400

2 ÷ 1/4

8

500

1/4 ÷ 2

1/8

Dividing fractions by fractions

100

1/2 ÷ 1/3 - Simplest form 

3/2 = 1 1/2

200

Daily Double----

What is Mrs. Maskell's dog's name?

JD

300

4/7 ÷ 2/3 - Simplest Form 

12/14 = 6/7

400

5/9 ÷ 1/2 - Simplest Form 

10/9 = 1 1/9 

500

1/4 ÷ 5/4

4/20 = 1/5

Dividing mixed numbers

100

1 2/3  ÷  3 1/3

1/2

200

2 1/4 ÷ 1 1/2

1 1/2

300

10 1/2 ÷ 1 2/3

6 3/10

400

8 3/4 ÷ 2 2/5

175/48 or 3 31/48

500

9 1/2 ÷ 9 2/3

57/48