Adding Fractions and Mixed Numbers

Mrs. Boswell teaches fourth graders how to add fractions and mixed fractions. The lesson covers adding whole numbers first, then fractions with the same denominator, and handling improper fractions by converting them to mixed numbers. Two example problems are solved, and students are encouraged to practice the steps independently.

What is the main topic of today's lesson?

• Subtracting fractions

• Multiplying fractions

• Dividing fractions

• Adding fractions and mixed numbers

What is the first step in adding mixed numbers?

• Add the fractions first

• Subtract the whole numbers

• Add the whole numbers

• Multiply the fractions

In the example 2 and 3/8 plus 1 and 5/8, what is the sum of the whole numbers?

• 3

• 2

• 4

• 5

What should you do if the numerator is larger than the denominator?

• Subtract the denominator

• Divide by the denominator

• Ignore it

• Add another whole number

What is the sum of 3/8 and 5/8?

• 8/8

• 1/8

• 7/8

• 3/8

In the second example, what are the whole numbers being added?

• 5 and 3

• 3 and 2

• 4 and 2

• 5 and 2

What is the sum of 4/5 and 3/5?

• 7/5

• 8/5

• 5/5

• 1/5

How do you handle a fraction like 7/5?

• Leave it as is

• Multiply by 2

• Convert it to a mixed number

• Subtract 1 from the numerator

What is the whole number equivalent of 5/5?

• 10

• 0

• 1

• 5

What is the final sum of 5 and 4/5 plus 3/5?

• 6 and 2/5

• 7 and 2/5

• 6 and 4/5

• 7 and 4/5