With empirical formulas, it's all about keeping it simple! Introduce the concept of empirical formula to your chemistry scholars through a detailed video from Socratica's Chemistry Lessons series. The resource uses visual...

Are your lab results both accurate and precise? An interesting video lesson explains the difference between the two descriptions. Using error and percent error measurements, these descriptions become concrete and in turn leads to a...

Here's a video that presents several numerical expressions to be evaluated using a calculator.Viewers come to realize that sometimes it is not just a matter of punching in the numbers, but they also need to be concerned about how...

Science is full of big numbers, each of which can be several digits long. Learn how to determine the appropriate amount of numbers to display in answers as well as how to shorten those big numbers down to only a few and still display the...

Need an exciting way to teach mole ratios? This short video segment details a step-by-step method to determine the mole ratio of chemical compounds and relates these ratios to molar mass. The resource may be used to enhance your...

An informative video offers detailed instruction of the proper way to convert between different units in the English and metric systems. Additionally, it provides an explanation of how to handle significant digits and when this...

Video explaining the rules for calculating the number of significant figures. Includes link to additional practice at the top of the video. [5:40]

Video showing how to multiply and divide with significant figures. Includes examples of carpeting a floor and laying tile. [9:31]

Video showing how to add and subtract numbers using significant figures. Contrasts adding and subtracting with significant figures with multiplying and dividing. [8:59]

This lesson will demonstrate how to determine the correct number of significant figures in a measurement (both analog and digital). It is 3 of 3 in the series titled "Significant Figures in a Measurement."

This lesson will demonstrate how to use scientific notation to express the desired number of significant figures. It is 1 of 5 in the series titled "Significant Figures and Scientific Notation."

Don't be confused by significant figures. Let Tyler DeWitt introduce significant figures, and more specifically how to round for multiplication and division using significant digits. [7:10]

When figuring significant digits, use this tutorial to help figure out how to deal with zeros. [7:36]

Join Youtube chemistry tutor, Tyler DeWitt, do practice problems to work on significant figures with zeros. [8:09]

A unit is the frequently arbitrary designation we have given to something to convey a definite magnitude of a physical quantity and every quantity can be expressed in terms of the seven base units that are contained in the international...

This introduction to significant figures discusses basics of multiplication and division. [5:01]

Understanding the "rules of thumb" for significant figures.

A video showing how to multiply and divide with significant figures.

Video showing how to add and subtract numbers using significant figures.

This tutorial has some examples of how to deal with significant figures when performing addition, subtraction, multiplication, and division. [6:48]

Video introducing the idea of significant figures.

This lesson will define and explain how to identify an exact number. It is 4 of 4 in the series titled "Exact Numbers."

This lesson will demonstrate how to multiply/divide measurements and report the result to the correct number of significant digits. It is 3 of 3 in the series titled "Multiplying and Dividing Using Significant Figures."

This lesson will explain how to determine the precision of a measurement using laboratory glassware and report it accurately. It is 1 of 2 in the series titled "Reporting Volume Measurements."