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...

Calculators ... they are more efficient than tables. Using two 30-60 right triangles, the segment of a playlist on geometry shows that trigonometric ratios for an angle are the same independent of the size of the triangle. The video...

Explore the effect sample size has on margin of error and confidence interval. The instructor calculates the margin of error of fictional data. He shows how the calculation changes when the sample size changes while keeping the other...

Branch out with a tree diagram. A presentation on complex probability explains the process of creating a tree diagram to represent the possible outcomes in a scenario. It then uses the diagram to calculate the...

Explore titration endpoint calculations. After first explaining the process, the instructor introduces calculation problems. He illustrates the calculations necessary for figuring the pH of a solution at the equivalence point.

Work smarter, not harder! Learn a function of the calculator that assists with creating a table of values. The calculator does the work of substituting values and finding the input-output pairs.

How can you find how much wood one log can produce? Learners first learn how a log can be modeled as a cylinder. They then find out how to calculate the volume of a cylinder.

Will this be on the final exam? A brief YouTube video shows scholars how to use the table feature of a graphing calculator to find the necessary score on a final exam to achieve a specific course grade. The example uses weighted averages...

How do teachers calculate test averages? Viewers learn how to calculate test averages in the fifth installment of an 11-part Math in Science video series. The video consider different situations and grading schemes to calculate weighted...

Under which condition should you calculate a conditional probability? An educational video explains in detail the notation and calculations involved when finding a conditional probability. Using Venn diagrams to organize the...

Utilize Excel software to analyze a set of data by making statistical calculations. The instructor shows how to find the standard deviation, mean, minimum, maximum, margin of error, confidence intervals, and range using Excel commands....

Explore the meaning of the margin of error and how to use it to calculate the confidence interval with a video that explains how to calculate a margin of error based on the sample size. The instructor also makes a connection between...

Conditional probability problems love dice. Wanna bet on the answers? The last video in a series of six thoroughly explains the possible outcomes when rolling dice. Additionally, it describes the process of calculating the...

Do you want a red marble and a green marble, or do you want a red marble or a green marble? Calculating the probability in these two situations is very different. Use the fifth video in a series of six to explain the difference in the...

Here's an AP Calculus video that provides a discussion on determining an approximate for the area under a curve by calculating the sum of areas of rectangles that is smaller than the area and by finding the sum of areas of...

How can you calculate the height of a tree without having to climb it all the way to the top? The sixth installment of an 11-part Math in Science video series demonstrates how to use trigonometry to determine the height of a tree. 

The future lies in mathematics. Given a linear equation that models a context, scholars use the model to predict future values. They must perform substitution to determine the required output value.

Absolutely! Find the global maximum and minimums. Pupils watch a video showing how to find the absolute maximums and minimums of a function on an interval by testing critical points. The learners see how to determine whether a critical...

Explain the complex concept of bond energies through a comprehensive video lesson. The final lesson in a 35-part series defines bond enthalpy and then leads scholars through several calculations. Each example increases in complexity,...

Explore the application of the Nernst Equation to calculate a cell voltage. The instructor explains the purpose of the formula and its appropriate application. Using a specific example, he demonstrates the work required when using the...

This short but information-packed presentation begins with a thorough review of how to calculate mean, median, and mode of a given data set. What makes it a unique lesson is the follow-up example and presentation of how these measures of...

Video can be a powerful tool in the learning process. This one makes use of digital tools to help explain the concept of conditional probability applied to a lottery problem. 

Pie is great for finding pi. A short video shows how to use real pies to calculate pi. The method involves laying out pies along the circumference and along the diameter of a circle, and then finding the ratio of the number of pies.

When does 2+1=2? When calculating in moles, you sometimes have calculations that appear to defy basic math. The 13th video of 29 explains the pairing and combining of molecules and how to calculate their molecular masses. It also details...