Partition method of multiplication by a 2-digit number Use the partition method to multiply a 3-digit number by a 2-digit number. Partition ... the smaller number using the place values of each digit.

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

It's not magic; it's mental math—a superpower you can learn! This article is your step-by-step guide to mastering mental multiplication of two-digit numbers.