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 that shows how to break numbers into parts to find the product.

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 results together.

Front

How do you use an area model to multiply 72 x 86?

Back

Break 72 into 70 and 2, and 86 into 80 and 6. Then calculate: (70 x 80) + (70 x 6) + (2 x 80) + (2 x 6) = 5600 + 420 + 160 + 12 = 6192.

Front

What multiplication problem does the area model represent if it shows 4 rows of 379?

Back

The area model represents the multiplication problem 4 x 379.

Front

What is the first step in using partial products to multiply 72 x 86?

Back

The first step is to break down the numbers into their place values: 72 = 70 + 2 and 86 = 80 + 6.

Front

What is the product of 2 x 10?

Back

The product of 2 x 10 is 20.

Front

What is the product of 4 x 300?

Back

The product of 4 x 300 is 1200.

Front

What is the product of 4 x 379?

Back

The product of 4 x 379 is 1516.

Front

What is the product of 2 x 9?

Back

The product of 2 x 9 is 18.

Front

What is the product of 30 x 2?

Back

The product of 30 x 2 is 60.