Unit 1: Lesson 7B - Extending Addition Rules to Fractions

​Unit 1: Lesson 7B

Extending Addition Rules​

to Fractions​

​

​Notes Part 1: Adding Fractions Review

Multiple Choice

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

Multiple Choice

• 5/14
• 3/7
• 5/7
• 5/14

Fill in the Blanks

Solve: $\frac{3}{4}+\frac{1}{5}=$  

Multiple Select

Solve. Choose all that apply!

$$2\ \frac{2}{10}+5\ \frac{1}{5}=$$  

• $$7\ \frac{4}{10}$$  

• $$7\ \frac{2}{5}$$  

• $$7\ \frac{3}{30}$$  

• $$7\ \frac{4}{20}$$  

​Notes Part 2: Adding Signed Fractions​

Multiple Choice

$$Evaluate\ -\frac{3}{8}\ +\ \left(-\frac{2}{12}\right).\$$ Make sure to simplify your answer.

• $$-\frac{1}{4}$$  

• $$-\frac{13}{24}$$  

• $$\frac{13}{24}$$  

• $$\frac{1}{4}$$  

Multiple Choice

Simplify. Be sure to put your answer in simplest form. $$\frac{8}{15}+\left(-\frac{2}{5}\right)$$  

• $$\frac{14}{15}$$  

• $$-\frac{2}{15}$$  

• $$\frac{2}{15}$$  

• $$-\frac{14}{15}$$  

​Notes Part 3: Adding Signed Mixed Numbers​

Multiple Choice

Simplify. Be sure to reduce your answer. $$-4\ \frac{1}{4\ }\ +\ 3\ \frac{3}{8}$$  

• $$\frac{3}{8}$$  

• $$7\ \frac{5}{8}$$  

• $$-\ \frac{7}{8}$$  

• $$-\ 7\ \frac{5}{8}$$  

Multiple Choice

Simplify. Be sure to reduce your answer. $$3\ +\left(-1\frac{2}{5}\right)$$  

• $$\frac{8}{5}$$  

• $$1\frac{3}{5}$$  

• $$2\frac{4}{5}$$  

• $$2\frac{2}{5}$$