Curated Video
Two-Step Equations
Two-Step Equations shows how to write two-step single variable equations by using verbal models.
Curated Video
Experiment Versus Scientific Investigation
Experiment Versus Scientific Investigation compares and contrasts an experiment and a scientific investigation.
Curated Video
Scatter Plots
“Scatter Plots” will explain how to construct a scatter plot and use it to predict values.
Curated Video
Systems of Equations
“Systems of Equations” will explain how to tell whether two lines intersect, and if they intersect, how to solve them.
Curated Video
Terms and Variables
Identify terms, constant terms, variables, coefficients, and like terms by using mathematics definitions.
R Programming 101
Separate and Unite - manipulate your data with R programming
If you're working with data or learning to do statistical analysis using R programming, then this is a short tutorial that will help you use and understand the seperate and unite functions as part of the tidyverse set of packages. So if...
R Programming 101
Lollipop Graph using ggplot.
If you're interested in Data Visualization then you've come to the right place. Ggplot (or ggplot2) is an extremely powerful package used in R programming to develop plots and graphs. A lollipop graph is an excellent example of how you...
R Programming 101
Ggplot - using geometries
If you're using R programming for data visualization then you're going to love this video. Creating plots and graphs using ggplot2 couldn't be easier. Ggplot using a concept called geoms (or geometries) to determine the type of plot that...
R Programming 101
Error Bars using R programming
If you're using R programming to do data visualization using ggplot2, then you'll love this video. Greg Martin walks you through the process of creating error bars on your plots and graphs. This can be used for bar charts, scatter plots,...
R Programming 101
Advanced ggplot (episode #1)
If you are doing data visualisation with ggplot the you'll find this video useful. ggplot2 is one of the tidyverse packages and is used to create graphs and plots. Data visualization is an important part of both understanding and...
R Programming 101
Group by and Summarise functions in R programming - use the tidyverse package to wrangle your data
If you are learning to work with data then being able to structure, manipulate and summarize your data is extremely important. This forms part of what we call descriptive statistics. the group_by() and summarise() functions are part of...
R Programming 101
Chi squared test using R programming
If you're learning about statistical analysis using R programming then you'll love this video. In it Dr Martin explains how to use R studio and R programming to do a chi-squared test to compare proportions of a categorical variable. This...
Curated Video
Solving Multivariable Equations
“Solving Multivariable Equations” will instruct you on how to mold an equation to solve for a needed variable.
Curated Video
Solving Inequalities
“Solving Inequalities” will describe the rules to solving inequalities and give examples.
Curated Video
Similar Figures and Scales
Students learn to solve ratio problems using similar figures and scales
R Programming 101
Ggplot Colors - how to use colors effectively when creating plots with ggplot2
If you're interested in data visualization or creating plots and graphs using ggplot then you really need to get into using colors effectively. Most people who use R programming to create graphics use the package ggplot2 and the...
Why U
Algebra 88 - Adding and Subtracting Polynomial Functions
Adding polynomial functions produces another polynomial function. The values of this function are the sum of the values of the polynomials that were added for every possible value of the input variable(s). Fortunately, adding polynomial...
Curated Video
Simplify Expressions
The video “Simplify Expressions” introduces algebra tiles as a helpful tool for representing and simplifying algebraic expressions.
Curated Video
Pythagorean Theorem
"Pythagorean Theorem" will show that the area of two squares (sides A and B) equals the area of square (side C).
Curated Video
Substituting Values for Variables
Evaluate algebraic expressions by substituting a value for the variable in an expression.
Curated Video
Equations with Fractions
Equations with Fractions demonstrates how to solve one-step equations by using reciprocals when the coefficient of the variable is a fraction.
Science Buddies
Arduino Soil Moisture Sensor
Learn how to use resistive soil moisture sensor with an Arduino. Very useful for automatic plant watering projects! See the Science Buddies website for cool science projects you can do with an Arduino:...
Science Buddies
Positional vs Continuous Rotation Servo Motors
What's the difference between a positional and a continuous rotation servo motor? How do you control them with the Arduino servo library? Which one do you need for your project? Get all your questions answered in this video! For an...
Science Buddies
How to Use a Potentiometer with Arduino analogRead
Learn how to use a potentiometer with one of the Arduino's analog input pins and the analogRead function. Visit the Science Buddies website for cool science projects you can do with an Arduino:...