Simplifying before multiplying

When simplifying fractions, which direction can you NEVER simplify?

• Up & down

• Side to side <-->

• Diagonally

When simplifying the problem  $\frac{4}{5}\ x\ \frac{9}{10}$ which numbers can be simplified?

• 4 and 10

• 5 and 10 

• 5 and 9

• 4 and 5

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

When simplifying the problem

 $\frac{3}{5}\ x\ \frac{12}{15}$ 

which numbers could be simplified?
Choose TWO answers

• 3 & 15

• 5 & 15

• 3 & 12

• 12 & 15

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

When solving the problem

 $\frac{6}{8}\ x\ \frac{4}{7}$  
which numbers could be simplified?
(Choose TWO)

• 6 & 8

• 4 & 7

• 8 & 4

• 6 & 7

Tags

CCSS.5.NF.B.6

What is the MOST simplified form of 

 $\frac{28}{42}$  

•  $\frac{7}{6}$  

•  $\frac{4}{6}$  

•  $\frac{14}{21}$  

•  $\frac{2}{3}$  

Tags

CCSS.6.NS.B.4

CCSS.6.EE.A.4

CCSS.6.NS.A.1

After simplifying as much as possible, what does the problem become?

 $\frac{3}{5}\ x\ \frac{10}{13}$  

•  $\frac{1}{5}\ x\ \frac{10}{4}$  

•  $\frac{3}{1}\ x\ \frac{2}{13}$  

•  $\frac{1}{1}\ x\ \frac{2}{4}$  

•  $\frac{3}{1}\ x\ \frac{2}{3}$  

Tags

CCSS.5.NF.B.6

Simplify FIRST then solve.

• 3/50

• 30/5

• 6

• 1 1/5

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

After making 15 a fraction and simplifying the problem, what is the NEW problem?

• $\frac{4}{1}\ \times\ \frac{5}{1}$

• $1\frac{1}{3}\ \times\ \frac{15}{1}$

• $\frac{4}{5}\ \times\ \frac{1}{15}$

• $\frac{1}{5}\ \times\ \frac{15}{1}$

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

To multiply two fractions...

• multiply the numerators and keep the denominators the same.

• simplify then multiply top times top and bottom times bottom.

• keep the numerators the same and multiply the denominators.

• simplify and add.

Tags

CCSS.5.NF.B.6

Simplify and then solve.

• 1/5

• 12/72

• 7/17

• 1/6

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C