Partial Products

Front

What is a partial product?

Back

A partial product is the result of multiplying a single digit of one number by the entire other number in a multiplication problem.

Front

How do you find partial products in multiplication?

Back

To find partial products, break each number into its place values, multiply each part separately, and then add the results together.

Front

What is the partial product of 40 x 4?

Back

The partial product of 40 x 4 is 160.

Front

What is the partial product of 5 x 4?

Back

The partial product of 5 x 4 is 20.

Front

If you multiply 45 x 4 using partial products, what do you do first?

Back

First, break 45 into 40 and 5, then multiply each by 4.

Front

What is the sum of the partial products 160 and 20?

Back

The sum of the partial products 160 and 20 is 180.

Front

What are the partial products of 1,064 x 5?

Back

The partial products are 5,000; 300; and 20.

Front

If you have a multiplication problem 36 x 2, what are the partial products?

Back

The partial products are 30 x 2 (60) and 6 x 2 (12).

Front

What is the missing partial product if you have 70 x 4?

Back

The missing partial product is 280.

Front

How do you check your work when using partial products?

Back

You can check your work by adding all the partial products together to see if they equal the final product.