4.3E LESSON with models

Find the difference.

Find the sum. Select all the correct answers.

$$\frac{4}{7}+\frac{2}{7}=$$  

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?

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?

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?

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?

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)

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? 

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