3-Digit by 1-Digit Multiplication Calculator

Understanding 3-Digit by 1-Digit Multiplication

Multiplying a 3-digit number by a 1-digit number is a fundamental arithmetic skill. It involves multiplying each digit of the 3-digit number by the 1-digit number. Starting from the rightmost digit, you multiply and carry over to the next digit if the product is greater than 9.

Example:

Let's multiply 123 by 3:

• Multiply 3 (ones place of 123) by 3: 3 x 3 = 9
• Multiply 2 (tens place of 123) by 3: 2 x 3 = 6
• Multiply 1 (hundreds place of 123) by 3: 1 x 3 = 3

Combining these results, we get 369. So, 123 x 3 = 369.

Uses:

This type of multiplication is used in various everyday situations, such as calculating the total cost of multiple items, figuring out distances, and in many mathematical problems.