Exploring Fraction Addition and Subtraction

Miss Frankie introduces the concept of unit fractions, explaining that they represent one part of a whole. She demonstrates how to express fractions as sums of unit fractions using examples like 2/3 and 5/6. Additionally, she discusses how to write fractions as sums using non-unit fractions, providing various methods to achieve this. The lesson aims to help students understand the relationship between fractions and their components, encouraging them to explore different ways to express fractions as sums.

What is a unit fraction?

• A fraction that is greater than 1

• A fraction with a denominator of 1

• A fraction that shows one piece of the whole

• A fraction with a numerator of 2

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2A

Which of the following is a unit fraction?

• 5/6

• 1/5

• 3/4

• 2/3

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2A

How can 2/3 be written as a sum of unit fractions?

• 1/4 + 1/4

• 1/2 + 1/2

• 1/3 + 1/3

• 1/6 + 1/6

Tags

CCSS.4.NF.B.3B

What is the sum of 1/6 + 1/6 + 1/6 + 1/6 + 1/6?

• 5/6

• 4/6

• 6/6

• 7/6

Tags

CCSS.4.NF.B.3A

How can 7/8 be written as a sum of unit fractions?

• 1/8 + 1/8 + 1/8 + 1/8 + 1/8

• 1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8

• 1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8

• 1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8 + 1/8

Tags

CCSS.4.NF.B.3B

What is the sum of 2/6 + 2/6?

• 6/6

• 4/6

• 3/6

• 5/6

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Which of the following is NOT a way to write 4/6 as a sum?

• 2/6 + 2/6

• 1/6 + 1/6 + 1/6 + 1/6

• 4/6

• 1/6 + 3/6

Tags

CCSS.4.NF.B.3B

How can 4/6 be written using both unit and non-unit fractions?

• 1/6 + 1/6 + 1/6 + 1/6

• 2/6 + 1/6 + 1/6

• 2/6 + 2/6

• 1/6 + 3/6

Tags

CCSS.4.NF.B.3A

What is the sum of 1/6 + 3/6?

• 2/6

• 3/6

• 4/6

• 5/6

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Which of the following is a correct way to write 4/6?

• 1/6 + 1/6 + 1/6 + 1/6

• 2/6 + 2/6

• 1/6 + 3/6

• All of the above

Tags

CCSS.4.NF.B.3A