Partial Product

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, used in the process of multiplication.

Front

How do you estimate a multiplication problem?

Back

To estimate a multiplication problem, round the numbers to the nearest ten, hundred, or thousand, and then multiply the rounded numbers.

Front

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

Back

Break down one of the numbers into its place values (e.g., 378 = 300 + 70 + 8) and multiply each part by the other number.

Front

Calculate the partial product of 300 and 5.

Back

1,500

Front

Calculate the partial product of 70 and 5.

Back

350

Front

Calculate the partial product of 8 and 5.

Back

40

Front

What is the sum of the partial products 1,500, 350, and 40?

Back

1,890

Front

Estimate the product of 7,865 and 6 by rounding.

Back

8,000 x 6 = 48,000

Front

What is the product of 9,000 and 8?

Back

72,000

Front

If one partial product is 630, what could be one of the factors?

Back

It could be 9 multiplied by 70.