Estimating With Decimals

How Do You Round a Decimal Using a Number Line?

Rounding is an important part of math! In this tutorial, you'll see how to use a number line to help you round a decimal to a chosen place value.
How Do You Use Front-End Estimation to Estimate a Sum of Several Decimals?

Front-end estimation can be a great way to approximate a sum. In this tutorial, you'll see how to use front-end estimation to approximate the cost of school supplies!
How Do You Estimate a Sum of Decimals by Clustering?

If you want to find the approximate sum of decimals, you can round those numbers first! This tutorial shows you how to round decimals and see what numbers they're close to in order to make adding easier.
How Do You Round a Decimal to a Given Place Value?

Sometimes, decimals are so long that you need a way to estimate the value of the decimal. Other times, you may only need a certain amount of exactness to get your answer. This is where rounding decimals to a chosen place can be very helpful! Watch this tutorial to learn how to round a decimal to a chosen place.