Rounding numbers often make them much easier to work with in terms of determining estimates. More decisions, by people, are made based on estimated figures rather than exact math. It saves a tremendous amount of time. Most the time we are rounding numbers up that have a five or greater and rounding down numbers that have a four or less. Rounding is crucial is scientific laboratories everywhere. Round just slightly off and people can die. This why those calculations usually triple checked at least.
The worksheets in this section work on rounding with decimals, length, mixed numbers and fixed integers. We cover a large spectrum of topics and themes.