Multiplication Using Area Models

Front

What is an area model in multiplication?

Back

An area model is a visual representation of multiplication that breaks down numbers into their place values to show how they combine to form a product.

Front

How do you use an area model to multiply 419 by 84?

Back

Break down 419 into 400 and 19, and 84 into 80 and 4. Then, create a grid to calculate (400 x 80), (400 x 4), (19 x 80), and (19 x 4), and add the results.

Front

What is the product of 419 and 84 using an area model?

Back

35,196.

Front

What number should go in the blank to complete the area model for 300?

Back

300 is the product of 3 and 100.

Front

What is the product of 643 and 47 using an area model?

Back

30,221.

Front

What is the significance of breaking numbers into place values in area models?

Back

It helps simplify multiplication by allowing students to multiply smaller, more manageable numbers.

Front

How do you represent 560 in an area model?

Back

560 can be represented as 500 + 60, which can be multiplied by another number in the area model.

Front

What is the area model for multiplying 24,000?

Back

24,000 can be represented as 24 x 1,000 in an area model.

Front

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

Back

The first step is to break down each number into its place values.

Front

What is the area model for multiplying 2,400?

Back

2,400 can be represented as 2 x 1,200 in an area model.