This Maths article explains both the mental method and written method for multiplying a 2-digit number by a 1-digit number.

Learn how to multiply 2-digit numbers mentally with this step-by-step guide for kids. Discover simple techniques to boost calculation speed, improve mental math skills, and build confidence for ...

To multiply two numbers by hand take a few steps but it’s something we’re taught in school. When dealing with big numbers, really big numbers, we need to a quicker way to do things.

In this KS2 Maths article you’ll learn techniques to help you multiply 3 single-digit numbers together. We also have a KS2 Maths quiz and lots of examples.

Then take the two numbers you want to multiply—in the case of the above image, 7 and 8—and put together the corresponding fingers (as shown in the picture to the right).

In fourth grade, students focus most on using all four operations - addition, subtraction, multiplication, and division - to solve multi-step word problems involving multi-digit numbers. Fourth ...

We'll explore how this shortcut works for both two-digit numbers multiplied by themselves, and even for multiplying two different numbers ending in 5.

Schönhage and Strassen predicted that an algorithm multiplying n -digit numbers using n * log (n) basic operations should exist, Harvey says. His paper is the first known proof that it does.