Multiplying Fractions and Area Concepts

The video tutorial explains how to find the product of mixed numbers using an area model and partial products. It begins by estimating a range for the product, then demonstrates constructing a rectangle to represent the multiplication visually. The tutorial calculates the area by summing smaller partitions and verifies the result using partial products. The connection between the area model and partial products is highlighted to reinforce understanding.

What is the estimated range for the product of three and a half times four and a half?

• Between 10 and 15

• Between 12 and 20

• Between 20 and 30

• Between 15 and 25

Tags

CCSS.5.NF.B.6

What are the dimensions of the rectangle used to find the product of three and a half times four and a half?

• 3 units by 4 units

• 3.5 units by 4.5 units

• 4 units by 5 units

• 3 units by 5 units

Tags

CCSS.3.MD.C.5A

How many rows of squares, each with an area of one square unit, are there in the rectangle?

• Five rows

• Four rows

• Three rows

• Two rows

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the area of the small partition that is one-fourth of a square unit?

• One-half square unit

• One square unit

• One-fourth square unit

• Three-fourths square unit

Tags

CCSS.5.NF.B.4B

What is the total area of the rectangle representing the product of three and a half times four and a half?

• 16 and a half

• 15 and three-fourths

• 15 and a half

• 14 and a half

How is three and a half expressed in terms of partial products?

• Three plus one

• Three plus one-half

• Four plus one-half

• Four plus one

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

What is the result of three times one-half in the partial products method?

• Two and a half

• Two

• One and a half

• One

Tags

CCSS.5.NF.B.4A

What is the area of four copies of one-half in the area model?

• Two

• One and a half

• One

• Two and a half

Tags

CCSS.5.NF.B.6

What is the product of one-half times one-half?

• Three-fourths

• One-half

• One-fourth

• One

Tags

CCSS.5.NF.B.6

What is the final product of three and a half times four and a half using partial products?

• 15 and three-fourths

• 15 and a half

• 14 and a half

• 16 and a half

Tags

CCSS.5.NF.B.6