Multiplying Fractions and Mixed Numbers by Whole Numbers

Select the equations that inserting 1/2 will make true

• $6\ \times\ \ \ \ \ \ =\ \frac{6}{2}$

• $6\ \times\ \ =\ 3$

• $7\ \times\ \ \ \ \ =\ \frac{7}{14}$

• $7\ \times\ \ \ =\ 3\frac{1}{2}$

Tags

CCSS.4.OA.C.5

Lydia practices Tai Kwon Do for 1/4 hour every day. How many hours does she practice in a week?

Convert your answer to a mixed number. x y/z

(a)  

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Use properties of operations (break apart) to show how to find how many minutes are in 2 1/2 hours.

 $60\ \times\ 2\ \frac{1}{2}\ =\ \left(60\ \times\ 2\right)\ +\ \left(60\ \times\ \ ?\ \right)$  

(a)  

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

How many minutes are in  $2\ \frac{1}{2}hrs.$  ?

Remember there are 60 minutes in an hour.

• 150

• 120

•  $120\ \frac{1}{2}$  

• 250

Tags

CCSS.6.RP.A.3D

Sebastian played at the park for 2 hours and 35 minutes. Tucker played for 3 hours and 27 minutes. How much longer did Tucker play?

• 5 hours 62 minutes

• 6 hours 2 minutes

• 52 minutes

• 92 minutes

• 1 hour 32 minutes

Tags

CCSS.3.MD.A.1

Janae made a trick question using unit fractions to show fractions as multiplication equations. Select ALL that are true.

•  $\frac{7}{8}=7\times\ \frac{1}{8}$  

•  $5\times\frac{1}{6}=\ \frac{5}{6}$  

•  $\frac{1}{4}\times3=\frac{3}{4}$  

•  $\frac{1}{2}\times8=\frac{8}{16}$  

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4A

Opal and George were multiplying mixed numbers. Choose the one that George did incorrectly.

• $3\times2\ \frac{2}{3}=8$

• $5\times6\ \frac{6}{8}=30\ \frac{6}{8}$

• $4\times4\ \frac{3}{4}=19$

• $9\times2\ \frac{4}{8}=22\ \frac{4}{8}$

Tags

CCSS.5.NF.B.6

 Annie and Lynnlee were showing different ways to find the product of  $4\ and\ 1\frac{4}{8}$ . Select ALL the options they might have used.

•  $4\ \times\ 1\frac{4}{8}$  

•  $4-1\ \frac{4}{8}$  

•  $1\ \frac{4}{8}+1\ \frac{4}{8\ }+1\ \frac{4}{8}\ +1\ \frac{4}{8}$  

•  $4+1+4+8$  

•  $\left(4\ \times1\right)+\left(4\times\frac{4}{8}\right)$  

Golda is using fraction strips and says that $8\times\frac{1}{6}$  is equivalent to  $4\times\frac{?}{6}$  

(a)  

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4A

Finley practices parkour for 1/8 hour every day. How many hours does she practice in a week?

(a)  

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C