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 break down the number 129 for multiplication?

Back

You can break down 129 into 100, 20, and 9 for easier multiplication.

Front

What is the first step in finding the partial product of 129 x 8?

Back

Multiply 100 by 8 to get 800.

Front

What is the second step in finding the partial product of 129 x 8?

Back

Multiply 20 by 8 to get 160.

Front

What is the third step in finding the partial product of 129 x 8?

Back

Multiply 9 by 8 to get 72.

Front

How do you find the total product using partial products?

Back

Add all the partial products together.

Front

What is the total product of 129 x 8 using partial products?

Back

The total product is 800 + 160 + 72 = 1032.

Front

Which expression is the same as 45 x 4?

Back

(40 x 4) + (5 x 4) is the same as 45 x 4.

Front

What is the partial product of 45 x 4 when using the breakdown?

Back

The partial products are 160 (40 x 4) and 20 (5 x 4), totaling 180.

Front

What is the missing partial product for 60 x 1?

Back

The missing partial product is 60.