Mastering Addition of Fractions with Common Denominators

The video tutorial explains how to add fractions with a common denominator, emphasizing that the denominator remains unchanged while numerators are added. It also covers simplifying fractions to their lowest terms by dividing both numerator and denominator by their greatest common divisor. The tutorial further demonstrates adding more than two fractions and converting improper fractions to mixed numbers. Finally, it encourages practice and hints at future lessons on adding fractions with different denominators.

What remains unchanged when adding fractions with the same denominator?

• Neither

• Both

• Denominator

• Numerator

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the sum of 3/8 and 4/8?

• 1/8

• 7/8

• 1

• 7/16

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the first step in adding fractions with a common denominator?

• Add the numerators

• Multiply the numerators

• None of the above

• Add the denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

How do you simplify the fraction 8/10?

• 4/5

• 1/5

• 2/5

• 8/5

What common factor can be used to simplify 8/10?

• 5

• 10

• 3

• 2

What should you do if you can simplify a fraction?

• Leave it as is

• Convert it to a decimal

• Simplify it

• Multiply it

What is the result of adding 4/7, 2/7, and 5/7?

• 1 4/7

• 11/21

• 9/7

• 11/7

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

How is an improper fraction converted to a mixed number?

• Add the numerator to the denominator

• Subtract the denominator from the numerator

• Multiply the numerator by the denominator

• Divide the numerator by the denominator

What is the mixed number form of 11/7?

• 1 5/7

• 1 4/7

• 2 3/7

• 1 3/7

What should you anticipate in the next lesson after mastering adding fractions with common denominators?

• None of the above

• Multiplying fractions

• Subtracting fractions

• Adding fractions with different denominators

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D