PBS
Why Computers are Bad at Algebra
The answer lies in the weirdness of floating-point numbers and the computer's perception of a number line.
Curated Video
Population Growth and Exponential Formulas: Predicting the Future
In this lesson, students will learn how to determine population growth using an exponential formula. They will review solving for exponents and learn how to deal with exponents inside logarithms. Through examples and calculations, they...
Brian McLogan
How the properties of logarithms can help you take the derivative
👉 Learn how to find the derivative of exponential and logarithmic expressions. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the variable x. The process of finding the...
Curated Video
Rearranging Geometric Formulas
In this video, students will learn how to rearrange geometric formulas using the properties of equality. The teacher explains how to solve equations involving trapezoids and circles, focusing on finding the missing base or radius.
Curated Video
Solve an Exponential Word Problem of Base 2
This video covers how to solve word problems involving exponential equations of base 2 using logarithms. The examples given include determining the number of times a stack of paper needs to be doubled to reach the moon and calculating...
Brian McLogan
Learning to use the one to one property to solve an exponential equation
👉 Learn how to solve exponential equations. An exponential equation is an equation in which a variable occurs as an exponent. To solve an exponential equation, we isolate the exponential part of the equation. Then we take the log of both...
Brian McLogan
How to use a table to graph logarithmic function
👉 Learn how to graph logarithmic functions. The logarithmic function is the inverse of the exponential function. To graph a logarithmic function, it is usually very useful to make the table of values of the function. This is done by...
Curated Video
Understanding the Purpose of Binary Code
Quick whiteboard tutorial showing which explains what the point of binary code in computing is, and why we use it. Can be helpful for students studying GCSE Computer Science.
Brian McLogan
Solve an exponential equation using one to one property with a fraction as a base
👉 Learn how to solve exponential equations involving fractions. An exponential equation is an equation in which a variable occurs as an exponent. To solve an exponential equation, we make the base of both sides of the equation to be...
Brian McLogan
Graphing the parent graph of an exponential equation with base 2
👉 Learn how to graph exponential functions. An exponential function is a function that increases rapidly as the value of x increases. To graph an exponential function, it is usually very useful to make the table of values of the...
Curated Video
Finding the Area of Two-Dimensional Figures on the Coordinate Plane
In this video, the teacher explains how to find the area of a right trapezoid and a square using the Pythagorean theorem and the formula for area. They emphasize the importance of correctly creating right triangles to calculate the...
Curated Video
Understanding Binary Shifting
This is a quick whiteboard tutorial that explains binary shifting and how to do it for both the multiplication and division of binary numbers.
Curated Video
Converting Decimal Numbers to Binary Numbers
Learn how to convert decimal numbers to binary numbers by understanding the base system and place value. In decimal, based on 10 digits, each place represents a power of 10. In binary, based on 2 digits (0 and 1), each place represents a...
Curated Video
How to Convert From Binary to Decimal
Quick whiteboard tutorial showing how to easily convert numbers in binary (base 2) to decimal, or denary (base 10) for students studying GCSE Computer Science
Curated Video
How to Add Binary Numbers
Quick whiteboard tutorial showing which explains how to add binary numbers together, and also what error could result when doing this in programming; for students studying GCSE Computer Science
Curated Video
Understanding the Benefits of Hexadecimal Numbers
Quick whiteboard tutorial showing which explains what the point of using hexadecimal in computing is and why we use it. Can be helpful for students studying GCSE Computer Science
Curated Video
How to Convert From Decimal to Hexadecimal
Quick whiteboard tutorial showing how to easily convert numbers in decimal (base 10) to hexadecimal (base 16) for students studying GCSE Computer Science
Curated Video
How to Convert From Hexadecimal to Decimal
Quick whiteboard tutorial showing how to easily convert numbers in hexadecimal (base 16) to decimal (base 10) for students studying GCSE Computer Science
Curated OER
Binary Code
A goofy upper grader explains to viewers what binary code is and how it works to tell the computer what to do. He does a good job of explaining how the code works and what each 1 and 0 represent. Because he mentions base 2 this could be...
PBS
Pbs Learning Media: Real Life Math: Network Engineer
Watch network engineer Diana Tootle explain how she uses math in her work in this video from KAET. In the accompanying classroom activity, students watch the video and then complete an activity involving an aspect of math that Ms. Tootle...
Crash Course
Crash Course Computer Science #4: Representing Numbers and Letters With Binary
This video [10:46] focuses on representing numbers and letters with Binary. Today, we're going to take a look at how computers use a stream of 1s and 0s to represent all of our data - from our text messages and photos to music and...