Fractions

Fractions

by Meionne Holsey

Dividing Fractions & Reciprocals

Watch the following video!

https://www.youtube.com/watch?v=4lkq3DgvmJo

Open Ended

What is the reciprocal of

$$\frac{2}{3}$$  ?

Multiple Choice

Convert the following mixed number into a improper fraction.

$$5\frac{1}{2}$$  

• $$\frac{10}{2}$$  

• $$\frac{7}{2}$$  

• $$\frac{11}{2}$$  

• $$\frac{11}{5}$$  

Multiple Choice

Change this mixed number to an improper fraction

$$3\ \frac{5}{7}$$  

• $$\frac{26}{7}$$  

• $$\frac{15}{7}$$  

• $$\frac{21}{7}$$  

Multiple Choice

Change this mixed number to an improper fraction

$$8\ \frac{1}{2}$$  

• $$\frac{16}{2}$$  

• $$\frac{17}{2}$$  

• $$\frac{8}{2}$$  

Multiple Choice

When dividing fractions, we use KCF:

• Keep, Circle, Flip

• Keep, Change, Fraction

• Keep, Change, Flip

Multiple Choice

Keep, Change, Flip

$$\frac{3}{7}\div\frac{8}{21}$$  

• $$\frac{3}{7}\times\frac{21}{8}$$  

• $$\frac{7}{3}\times\frac{8}{21}$$  

• $$\frac{3}{7}\div\frac{21}{8}$$  

What does it mean to "flip" a fraction???

Multiple Choice

$$\frac{1}{2}\div\frac{3}{4}$$  

• $$\frac{2}{3}$$  

• $$\frac{4}{6}$$  

• $$\frac{1}{2}$$  

Multiple Choice

Rewrite the division sentence:

$$\frac{1}{4}\div\frac{3}{5}$$  

• $$\frac{1}{4}\times\frac{3}{5}$$  

• $$\frac{1}{4}\times\frac{5}{3}$$  

• $$\frac{4}{1}\times\frac{3}{5}$$  

• $$\frac{4}{1}\times\frac{5}{3}$$  

Multiple Choice

Multiply

$$\frac{3}{4}\times\frac{1}{5}$$  

• $$\frac{3}{20}$$  

• $$\frac{3}{9}$$  

• $$\frac{15}{4}$$