Video solutions to help Grade 5 students learn how to relate fractions as division to fraction of a set.

Common Core Standards: 5.NF.4a

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Lessons for Grade 5

Common Core For Grade 5

Lesson 6 Application Problem

Olivia is half the age of her brother, Adam. Olivia’s sister, Ava, is twice as old as Adam. Adam is 4 years old. How old is each sibling? Use tape diagrams to show your thinking.

Lesson 6 Concept Development

Problem 1:
1/3 of 6

Problem 2:
1/4 of 12

Problem 3

Mrs. Pham has 8 apples. She wants to give 3/4 of the apples to her students. How many apples will her students get?

Problem 4

In a class of 24 students, 5/6 are boys. How many boys are in the class?

1/4 of 12

In a class of 24 students, 5/6 are boys. How many boys are in the class?

1. Find the value of each of the following.

d. 1/8 of 24, 3/8 of 24, 4/8 of 24, 6/8 of 24, 7/8 of 24

2. Find 4/7 of 14. Draw a set and shade to show your thinking.

3. How does knowing 1/8 of 24 help you find three-eighths of 24? Draw a picture to explain your thinking.

4. There are 32 students in a class. Of the class, 3/8 bring their own lunch. How many students bring their lunch?

5. Jack collected 18 ten dollar bills while selling tickets for a show. He gave 1/6 of the bills to the theater and kept the rest. How much money did he keep?

This video shows how to split and interpret sets of numbers and their fractional parts. An array is used to demonstrate each problem.

1. Find the value of each of the following.

1/3 of 12

2/3 of 12

3/3 of 12

2. Find 2/3 of 18. Draw a set and shade to show your thinking.

3. How does knowing 1/5 of 10 help you find 3/5 of 10? Draw a picture to explain your thinking.

4. Sara just turned 18 years old. She spent 4/9 of her life living in Rochester, NY. For how many years did Sara live in Rochester?

5. A farmer collects 12 dozen eggs from her chickens. She sells 5/9 of the eggs at the farmers’ market and gives the rest to friends and neighbors.

a. How many eggs does she give away?

b. If she sells each dozen for $4.50, how much will she earn from the eggs she sells?