Multiplying Mixed Numbers and Fractions

Mr. Nazarian teaches how to solve word problems involving multiplying mixed numbers and fractions. The lesson covers two main problems: calculating the weight of paper packages and determining the weight of markers taken from a box. The area model and common denominators are used to solve these problems, emphasizing multiplication as the key operation.

What is the main objective of today's lesson?

• To learn about addition of fractions

• To solve word problems involving multiplying mixed numbers and fractions

• To understand division of whole numbers

• To explore subtraction of decimals

What operation is used to solve the problem about the weight of paper packages?

• Division

• Multiplication

• Addition

• Subtraction

Why is multiplication used in the paper package problem?

• Because we are adding weights

• Because we are dividing the total weight

• Because we are multiplying the number of packages by the weight of each

• Because we are subtracting the weights

What strategy is used to solve the first problem?

• Area model

• Pie chart

• Number line

• Bar graph

In the area model, what is done with the whole number part of the mixed number?

• It is placed in a separate column

• It is multiplied by the fractional part

• It is added to the fractional part

• It is ignored

What is the result of multiplying 3 times 3 in the first problem?

• 15

• 12

• 9

• 6

How is the fraction 12/6 simplified?

• 1

• 2

• 3

• 4

What is the final weight of the paper packages in ounces?

• 10 12/12 ounces

• 11 10/12 ounces

• 13 11/12 ounces

• 12 10/12 ounces

What is the weight of the box of markers?

• 3 and 1/2 ounces

• 2 and 1/3 ounces

• 2 and 5/9 ounces

• 3 and 1/4 ounces

What fraction of the markers does Emily take out?

• 1/6

• 1/4

• 1/3

• 1/2