# Arithmetic: What is zero?

Zero is a crucial number in mathematics as it indicates the absence of objects. For instance, if you have four marshmallows and give them all away, you will have zero marshmallows left. Zero is also used in addition and subtraction. Moreover, when you multiply any number by zero, you get zero.This video is a part of a series called Math Camp, which focuses on arithmetic. The series covers topics such as whole numbers, fractions, decimals, and complex numbers. These concepts are not only useful in arithmetic but also in other math subjects like algebra, trigonometry, and geometry.So, grab your pencils and paper and join us for a fun-filled summer of learning.Remember to share the videos with your friends and subscribe to our channel to stay updated with our latest episodes.