adding mixed numbers

 $2\ \frac{3}{10}+5\ \frac{1}{10}=$  

Simplify if needed.

•  $5\ \frac{3}{4}$  

•  $7\ \frac{2}{5}$  

•  $3\ \frac{3}{5}$  

•  $7\ \frac{4}{10}$  

Add the mixed numbers. 
Simplify if needed.

• $9\ \frac{5}{7}$

• $5\ \frac{2}{3}$

• $10\ \frac{1}{5}$

• $11\ \frac{5}{6}$

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Add the mixed numbers. Simplify if needed.

• $14\ \frac{17}{30}$

• $13\ \frac{47}{30}$

• $\frac{1}{2}$

• $15\ \frac{2}{3}$

Tags

CCSS.7.NS.A.1C

Add the mixed numbers. 
Simplify if needed.
 $3\ \frac{2}{3}+1\ \frac{1}{8}$  

•  $4\ \frac{3}{24}$  

•  $4\ \frac{3}{11}$  

•  $4\ \frac{19}{24}$  

•  $4\ \frac{3}{8}$  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

 $2\frac{9}{10}\ +6\ \frac{1}{3}=$  

Add the mixed numbers. 
Simplify if needed.

•  $9\ \frac{7}{30}$  

•  $5\ \frac{4}{9}$  

•  $6\ \frac{1}{4}$ 

•  $4\ \frac{1}{2}$  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the value of this expression?
 $6\ \frac{7}{8}+4\ \frac{3}{4}+8\ \frac{1}{2}$  

•  $20\ \frac{1}{8}$  

•  $19\ \frac{3}{8}$  

•  $18\ \frac{11}{14}$  

•  $18\ \frac{1}{2}$  

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

A recipe calls for  $2\frac{1}{2}$  cups of walnuts and $3\frac{3}{8}$  cups of pecans. How many cups of nuts are needed?

• $2\ \frac{3}{4}$

• $5\ \frac{8}{9}$

• $5\ \frac{7}{8}$

• $4\ \frac{3}{6}$

Is this a correct answer?

• Yes, the student correctly added.
• No, you cannot add unlike denominators
• No, 5 + 7 is not 12
• No, 2 + 3 is not 5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

To add or subtract fractions with unlike denominators, what is the first step?

• add the numerators

• add the denominators

• find a common denominator

• find a common numerator

Add the fractions. Simplify if needed.

• $\frac{12}{17}$

• $\frac{17}{20}$

• $\frac{4}{9}$

• $2\ \frac{1}{2}$