10.5 Add and subtract fractions

 $\frac{8}{10\ }+\ \frac{4}{10}$   

•  $\frac{12}{20}$  

•  $\frac{12}{10\ }$  

•  $1\ \frac{2}{10}$  

•  $1\ \frac{2}{20}$  

•  $\frac{4}{10}$  

Mrs. Syrus bakes 4 whole pies for Thanksgiving. After dessert is finished, she has  $2\ \frac{1}{4}$   pie left. How much pie did her family eat?

•  $2\ \frac{1}{4}$  

•  $1\ \frac{3}{4}$  

•  $2\ \frac{3}{4}$  

•  $\frac{8}{4}$  

Select all of the following that correctly decomposes:

 $\frac{9}{12}$  

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

•  $\frac{1}{12}+\frac{1}{12}+\frac{1}{12}+\frac{1}{12}+\frac{1}{12}+\frac{1}{12}+\ \frac{1}{12}+\frac{1}{12}+\frac{1}{12}$  

•  $\frac{4}{5\ }+\ \frac{5}{7}$  

•  $\frac{6}{12}+\ \frac{3}{12}$  

•  $\frac{2}{12}+\ \frac{4}{12}+\frac{3}{12}$  

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.3

Lori has  $7\ \frac{1}{3}$   inches of red string and  $6\ \frac{2}{3}$   inches of blue string. How many inches of string does she have in total?

• 13

• 14

• 
  

  $1\ \frac{1}{3}$
  

• $14\ \frac{2}{3}$

Sam painted  $9\ \frac{8}{12}$   feet of the school mural and Mary painted  $6\ \frac{2}{12}$   feet of tohe mural. How much more did Sam paint than Mary?

• $2$

• 
  

  $2\ \frac{1}{2}$
  

• $3\ \frac{4}{12}$

• $3\ \frac{1}{2}$

What expression shows a different way to express:

 $\frac{3}{8}$  

•  $\frac{8}{8}-\frac{2}{8}$  

•  $\frac{7}{8}-\ \frac{1}{8}-\frac{3}{8}$  

•  $\frac{2}{8}+\frac{2}{8}$  

•  $\frac{8}{8}-\frac{2}{8}+\frac{5}{8}$  

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.3

Diane had  $3\ \frac{2}{3}$   cups of flour. She used  $2\ \frac{1}{3}$   cups of flour for a recipe. How many cups of flour does Diane have left?

• 
  

  $1\ \frac{1}{3}$
  

• $1\ \frac{2}{3}$

• $2\ \frac{1}{3}$

• $5\ \frac{3}{3}$

The Gill family ordered a large pizza. Kyle ate  $\frac{1}{8}$   of the pizza, Scott ate  $\frac{2}{8}$   of the pizza, and Missy ate  $\frac{3}{8}$   of the pizza. How much of the pizza was left?

• 
  

  $\frac{8}{8}$
  

• $\frac{6}{8}$

• $\frac{3}{8}$

• $\frac{2}{8}$

What is the sum of  $1\ \frac{1}{5}$   and  $3\ \frac{3}{5}$  ?

• 
  

  $2\ \frac{2}{5}$
  

• $4\ \frac{4}{5}$

• $\frac{44}{5}$

• $4\ \frac{2}{5}$

Which of the following is the sum of 2/10 and 9/10 written as a mixed number?

• 
  

  $\frac{11}{20}$
  

• $\frac{11}{10}$

• $1\ \frac{1}{20}$

• $1\ \frac{1}{10}$

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.3