Multiply Fractions

If I multiply 2/3 times 90, what do I know about the product without even solving?

• The product will be less than 90.

• The product will be greater than 90.

Tags

CCSS.5.NF.B.5B

If you multiply 2 and 1/2 by 45, why does the answer get bigger?

• Whenever you multiply, the answer ALWAYS gets bigger.

• When you multiply by greater than one whole, the answer gets bigger.

• The answer actually gets smaller because you are multiplying by a mixed number.

Tags

CCSS.5.NF.B.5B

2/3 of a yard is covered in grass. 1/4 of the grass section has mulch on it. How much of the whole yard has grass covered in mulch?

• 1/4

• 2/3

• 1/6

• 11/12

Tags

CCSS.5.NF.B.6

A greenway trail is 30 miles long. I run 5/6 of it. How far did I run?

• 30 miles

• 25 miles

• 150 miles

• 20 miles

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

A rectangle has a length of  $3\ \frac{1}{2}$  inches and a width of  $2\ \frac{2}{3}$  inches.  What is the area?

•  $9\ \frac{4}{5}$  

•  $6\ \frac{1}{3}$  

•  $9\ \frac{1}{3}$  

•  $8\ \frac{2}{3}$  

Tags

CCSS.5.NF.B.4B

A wall is 1/2 of the way painted. Of the painted section, 3/4 is pink. How much of the wall is painted not pink?

• 3/4

• 3/8

• 1/4

• 1/8

Tags

CCSS.5.NF.B.6

I am baking cakes. One cake needs 3/5 cups sugar. I am making 6 batches. How many cups of sugar do I need?

• $3\ \frac{3}{5}$

• $\frac{3}{5}$

• $3\ \frac{2}{5}$

• $\frac{18}{30}$

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

A road is 20 miles long. I drive down 4/5 of the road. How much of the road did I not drive on?

• 16 miles

• 4 miles

• 12 miles

• 8 miles

Tags

CCSS.7.EE.B.3

What equation is modeled with the picture?

• $\frac{3}{10\ }$ x $\frac{2}{5}$ = $\frac{6}{50}$

• $\frac{3}{10}$ x $\frac{3}{5}$ = $\frac{9}{50}$

• $\frac{7}{10}$ x $\frac{2}{5}$ = $\frac{6}{50}$

Tags

CCSS.5.NF.B.4A

 $5\ \frac{1}{2}\$  x  $3\ \frac{4}{5}$  Evaluate the expression:

•  $15$  

•  $15\ \frac{4}{10}$  

•  $20\ \frac{4}{5}$  

•  $20\ \frac{9}{10}$  

Tags

CCSS.5.NF.B.6