Activity: Add and Subtract Similar Fractions

What must you have to add and subtract fractions?

• Common numerators
• Different numerators
• Different denominators
• Common denominators

Tags

CCSS.7.NS.A.1C

• 3/8
• 3/16
• 1/8
• 2/8

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 5/14
• 3/7
• 5/7
• 5/14

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

 $\frac{1}{5}+\frac{1}{5}=$  

•  $\frac{2}{10}$  

•  $\frac{2}{5}$  

•  $2$  

•  $\frac{2}{2}$  

Tags

CCSS.4.NF.B.3A

 $\frac{3}{6}+\frac{1}{6}=$  

•  $\frac{4}{12}$  

•  $\frac{4}{6}$  

•  $4$  

•  $\frac{2}{6}$  

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

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

• 1/6
• 1
• 1/0
• 1/12

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

 $\frac{3}{4}-\frac{1}{4}=$  

• 2

•  $\frac{2}{0}$  

•  $\frac{2}{4}$  

•  $\frac{3}{8}$  

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

 $\frac{5}{6}-\frac{1}{6}=$  

•  $4$  

•  $\frac{6}{6}$  

•  $\frac{4}{0}$  

•  $\frac{4}{6}$  

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

 $\frac{5}{10}-\frac{4}{10}=$  

•  $\frac{1}{10}$  

•  $\frac{1}{0}$  

•  $1$  

•  $\frac{1}{20}$  

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D