Please help! How does adding partial products help you solve a multiplication problem?
Posted by another teacher the other day:
http://www.jiskha.com/display.cgi?id=1223674710.1223675205.1223675570.1223676374
You might find some answers in here.
200+280+300=780
When you're solving a multiplication problem, adding partial products is a method that helps you break down the multiplication into smaller, more manageable steps. It involves multiplying individual digits or groups of digits separately and then adding the products together to find the final answer.
To understand how to add partial products, let's consider an example:
Suppose we want to multiply 24 by 3 using the partial products method.
1. First, we break down the numbers into their place values:
24 = 20 + 4
3 = 3
2. Next, we multiply each place value of the first number (24) by the second number (3) individually:
20 * 3 = 60 (partial product 1)
4 * 3 = 12 (partial product 2)
3. Finally, we add the partial products together:
60 + 12 = 72
So, by adding the partial products (60 and 12) together, we get the final answer of 72.
The benefit of using partial products is that it allows us to break down a complex multiplication problem into simpler steps, making it easier to calculate mentally or with pen and paper. This method helps us understand the concept of multiplication and ensures accuracy in our final answer.