Multiplying using Area Models and Partial Products

Front

What is an area model in multiplication?

Back

An area model is a visual representation of multiplication where the lengths of the sides of a rectangle represent the numbers being multiplied. The area of the rectangle represents the product.

Tags

CCSS.4.NBT.B.5

Front

What are partial products?

Back

Partial products are the results of multiplying each digit of one number by each digit of another number, then adding those products together to find the final answer.

Tags

CCSS.4.NBT.B.5

Front

Use area model to solve: 72 x 86

Back

6192

Tags

CCSS.4.NBT.B.5

Front

What is the first step in using an area model for multiplication?

Back

The first step is to break each number into its place values (e.g., 72 = 70 + 2 and 86 = 80 + 6).

Tags

CCSS.4.NBT.B.5

Front

Use partial products to solve: 65 x 21

Back

1365

Tags

CCSS.4.NBT.B.5

Front

What is the formula for finding the area of a rectangle?

Back

Area = length x width.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What partial product corresponds to 3,500 in the multiplication of 350 x 10?

Back

The partial product of 350 x 10 is 3,500.

Tags

CCSS.4.NBT.B.5

Front

Use area model to solve: 54 x 62

Back

3348

Tags

CCSS.4.NBT.B.5

Front

What is the purpose of using area models in multiplication?

Back

Area models help visualize the multiplication process, making it easier to understand how numbers combine to form a product.

Tags

CCSS.4.NBT.B.5

Front

What does the letter C represent in an area model for 65 x 21?

Back

The partial product in area C is 36.

Tags

CCSS.4.NBT.B.5