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 ...

To multiply decimals by 10, 100, and 1000, use place value labels. Write the digits of the decimal using place value labels. Start with the first non-zero digit. To multiply by 10 move each digit ...

Learn how to partition two digit numbers to make multiplying them easier with Bitesize First and Second Level Maths.

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, writes David ...

To multiply two numbers by hand takes 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.

Multiplication of two numbers is easy, right? At primary school we learn how to do long multiplication like this: The long way to multiplication. David Harvey Methods similar to this go back thousands ...

Multiplying 2 x 2 is easy. But multiplying two numbers with more than a billion digits each — that takes some serious computation. The multiplication technique taught in grade school may be ...

We watched this example of how to multiply two digit numbers, and have been batting 1.000 on every combination. It's hard to say how well the trick holds up to your standard "multiply and carry" ...

Computationally, multiplying two digits is much more costly than is adding two digits. Suppose then that multiplying two real numbers costs $1 and adding them costs a penny.