How to do double-digit multiplication mentally

How to do double-digit multiplication mentally?

In order to perform mental multiplication you need to understand the problem structure. The number line model is the most common mental model that is used to solve mental multiplication problems. When solving a mental multiplication problem, you need to visualize the number line and look at the first digit of the product. The number line is a 10-line model where one end represents 1 and the other end represents 10. There is a number at every point on the number line. A number is a multiplication problem if there is

How to do mental multiplication?

The first thing you need to do is break down the numbers you are multiplying together into their component parts. So, if you are multiplying 12 times 8, you need to break those numbers down to a single digit number and a group of two numbers. So, you would count the number of digits in the number 12, which is three. That means you need to multiply 8 by three. You would then count the number of two-digit numbers in the number eight, which is four. So,

How to do 8 mental multiplication?

And finally, the most basic of all the problems, we have the eight-digit multiplication. This can be a bit more challenging since it can take a little longer to do the problem in your head. Don’t stress it! Just take your time and do the problem step-by-step. If you find it confusing, you can always refer to a multiplication table while solving the problem. When you have completed these tasks, you will definitely see your mental multiplication skills improving!

How do I do double-digit multiplication mentally?

First, memorize the multiplication table. For example, memorize the multiplication table up to 12×12 (twelve products, by twelve numbers). You can learn the table through online flash cards or by solving a few easy problems. After you’ve memorized the table, visualize it in your mind. If you’re doing a mental multiplication problem, picture the grid of numbers in your mind. Arrange the products in your head and multiply them out.

How to do 9 mental multiplication?

Considering the difficulty of double-digit multiplication, it is essential to use a calculator to assist you in solving these problems. There are plenty of times when you cannot use a calculator, especially when you are in a rush. It is therefore important to train your brain to memorize the basic mental multiplication techniques to help you solve these problems.