Mastering Mixed Numbers with Visual Models

This video tutorial teaches how to add and subtract mixed numbers using visual models. It uses a real-life example of Sarah and Lily making cupcakes to demonstrate the process. The tutorial explains how to combine fractions to form whole numbers and how to subtract mixed numbers to find the remaining quantity. The lesson concludes with a summary of the key concepts learned.

What are Sarah and Lily making in the kitchen?

• Cookies

• Brownies

• Pies

• Cupcakes

Tags

CCSS.RI.7.1

CCSS.RI.8.1

CCSS.RI.9-10.1

CCSS.RL.8.1

CCSS.RL.9-10.1

How many cups of sugar did Sarah use?

• 1 and 2/3

• 3 and 1/3

• 2 and 1/3

• 2 and 2/3

Tags

CCSS.7.EE.B.3

How many cups of sugar did Lily use?

• 2 and 2/3

• 2 and 1/3

• 1 and 2/3

• 1 and 1/3

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

How many full cups of sugar do Sarah and Lily have together before combining the fractions?

• 4

• 3

• 5

• 2

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What fraction of a cup is needed to make a full cup if you have two-thirds?

• One-fourth

• One-half

• Two-thirds

• One-third

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

After combining the fractions, how many full cups of sugar do Sarah and Lily have?

• 3

• 4

• 6

• 5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the total amount of sugar used by Sarah and Lily?

• 4 and 1/3 cups

• 4 and 2/3 cups

• 3 and 2/3 cups

• 3 and 1/3 cups

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

How much sugar was initially in the sugar pot?

• 9 and 1/3 cups

• 8 and 2/3 cups

• 8 and 1/3 cups

• 7 and 2/3 cups

Tags

CCSS.7.EE.B.3

How much sugar is left in the pot after Sarah and Lily used some?

• 3 and 1/3 cups

• 4 and 2/3 cups

• 4 and 1/3 cups

• 5 and 1/3 cups

Tags

CCSS.7.NS.A.3

What mathematical operations were covered in this lesson?

• Multiplication and division

• Addition and subtraction

• Subtraction and division

• Addition and multiplication

Tags

CCSS.7.NS.A.3