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 ...

For example, to multiply four-digit numbers, instead of needing 4 ² = 16 multiplications, Karatsuba's method gets away with only nine.

This article reveals a simple and effective shortcut for multiplying numbers that end in 5. Perfect for students, it breaks down the trick for both single-digit and double-digit numbers ending in ...

Most everyone learns to multiply the same way. We stack two numbers, multiply every digit in the bottom number by every digit in the top number, and do addition at the end.

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.

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