Making Cookies (Add mixed numbers with regrouping)

The video tutorial teaches how to add mixed numbers with unlike denominators. It begins with an introduction to the concept, followed by using visual models to represent mixed numbers. The tutorial then explains how to find common denominators for fractions and demonstrates the process of adding mixed numbers. Finally, it covers regrouping improper fractions into whole numbers, concluding with the solution to a practical problem involving baking recipes.

What is the first step in adding mixed numbers with unlike denominators?

• Add the whole numbers first

• Find a common denominator

• Convert them to improper fractions

• Find a common numerator

How do you represent 3 and 1/3 visually?

• 3 wholes and 1/4 of a whole

• 3 wholes and 1/5 of a whole

• 3 wholes and 1/3 of a whole

• 3 wholes and 1/2 of a whole

What is the common denominator for the fractions 1/3 and 3/4?

• 15

• 12

• 9

• 6

After finding a common denominator, what is the next step in adding mixed numbers?

• Multiply the fractions

• Subtract the fractions

• Divide the fractions

• Add the fractions

What is the result of adding 4/12 and 9/12?

• 13/12

• 11/12

• 12/12

• 10/12

How do you simplify the improper fraction 13/12?

• 1 and 3/12

• 1 and 2/12

• 1 and 1/12

• 1 and 4/12

What is the total amount of flour Sasha needs for both recipes?

• 6 and 2/12 cups

• 5 and 1/12 cups

• 6 and 1/12 cups

• 7 and 1/12 cups