Real math help.
How Do You Use Front-End Estimation to Estimate a Sum of Several Decimals?
Note:
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!
Background Tutorials
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Estimation and Rounding
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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.
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Types of Numbers
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What are Natural and Whole Numbers?
The natural numbers are also called the counting numbers. The whole numbers are almost exactly as the natural numbers the same except for one small difference! Watch this tutorial and learn the difference between natural and whole numbers.
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Representing Decimals
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What are Decimals?
Have you ever looked at the price of something? It's usually given as a decimal! Decimals are a very helpful part of math and can be found in may places in the real world. Watch this tutorial to learn all about decimals!
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Further Exploration
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Estimating With Decimals
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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.
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