4.3E LESSON with models

4.3E Add and subtract fractions pt1

by Patricia Piza

Concept Development

Interactive Math Lesson | Adding and Subtracting Fractions with Like Denominators

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Multiple Choice

Find the difference.

• 1/6
• 1
• 1/0
• 1/12

Multiple Select

Find the sum. Select all the correct answers.

• $$\frac{6}{10}$$

• $$\frac{4}{10}$$

• $$\frac{6}{20}$$

• $$\frac{3}{5}$$

Multiple Choice

• $$\frac{4}{10}$$

• $$\frac{0}{5}$$

• $$\frac{2}{10}$$

• $$\frac{4}{5}$$

Multiple Choice

$$\frac{4}{7}+\frac{2}{7}=$$  

• $$\frac{2}{7}$$  

• $$\frac{6}{7}$$  

• $$\frac{8}{7}$$  

• $$\frac{6}{14}$$  

Multiple Choice

Harry bought a pizza that had 10 equal slices. His friends ate 7/10 of the pizza and he ate 2/10 of the pizza. What fraction of the pizza was left after they finished eating?

• 9/10

• 5/0

• 1/10

• 5/10

Multiple Choice

This model shows one whole candy bar. Ms. Ling has a fraction of a candy bar with peanuts and a fraction of a candy bar without peanuts.

What fraction of a whole candy bar does Ms. Ling have in all?

• $$\frac{7}{16}$$  

• $$1\frac{1}{8}$$  

• $$\frac{7}{8}$$  

• $$\frac{9}{8}$$  

Multiple Choice

Bo brings two cartons of eggs on a camping trip. The group used $$\frac{6}{12}$$   of one carton at dinner. The group used $$\frac{5}{12}$$   of the second carton the next morning. Which equation shows how many eggs the group ate for both meals?

• $$\frac{6}{12}-\frac{5}{12}=\frac{1}{12}$$  

• $$\frac{6}{12}+\frac{6}{12}=\frac{11}{12}$$  

• $$\frac{6}{12}+\frac{5}{12}=\frac{11}{12}$$  

• $$\frac{7}{12}-\frac{6}{12}=\frac{1}{12}$$  

Problem Set

Multiple Choice

Sam walked 1/12 of a mile to Toni's house. Then Toni and Sam walked 4/12 of a mile to school. How far did Sam walk in all?

• 5/12

• 1/4

• 5/24

• 3/12

Multiple Choice

Mrs. Swift was making a bowl of fruit salad. She used grapes, strawberries, and blueberries. She used 3/10 of a pound of grapes, and 1/10 of pound of strawberries. The rest of the fruit was blueberries. What fraction of the fruit salad was blueberries? (*Hint: Simplify)

• 4/20 of a pound

• 4/10 of a pound

• 2/5 of a pound

• 3/5 of a pound

Multiple Choice

The shaded part of the model shows the fraction of whole pie that a restaurant has. The Smith family eats some of the pie. Then,  $$\frac{1}{8}$$  of a whole pie is left. What fraction of a whole pie did the Smith family eat? 

• $$\frac{6}{8}$$

• $$\frac{2}{8}$$

• $$\frac{7}{8}$$  

• $$\frac{5}{8}$$  

Multiple Choice

What is the total of the following fractions represented on the model?

• $$\frac{10}{8}=1\ \frac{2}{8}$$  

• $$\frac{6}{7}$$  

• $$\frac{8}{7}$$  

• $$\frac{6}{14}$$  

Exit ticket 4.3E

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