Curated OER
Pictographs and Line Plots - Math Help
Draw a line plot along with the tutor in this super slow video. The tutor speaks extra slow and extra clear so that learners can easily understand the process needed to draw a line plot or pictograph. Send this link home to help learners...
Curated OER
CAHSEE Practice: Problems 23-27
Sal works through CAHSEE Practice test problems 24-27 in this video, which reviews line plots, graphs, and mathematical patterns. Colorful annotations help students with both understanding the question and modeling proper work and...
Khan Academy
Fitting a Line to Data, Regression, Probability and Statistics
Sal trades his tablet for an Excel spreadsheet in this video, which covers fitting data to a line. Using a word problem about median income, he not only solves the problem but also demonstrates how to use scatter plots and Excel tools in...
Khan Academy
Example of Plotting a Simple Inequality on a Number Line, Pre-Algebra
Graphs are excellent tools for visualizing data. Use this video to demonstrate what inequalities look like on a number line. Sal draws a number line and shows the inequality. He effectively employs differentiated colors to express the...
National Education Association
Scatter Plots
What's my line, anyway? A video covers the aspects of finding an equation of the best-fit line for a set of data. It works through plotting the points to drawing a line that appears to represent the data. The presenter suggests finding...
Northeast Arkansas Education Cooperative
Scatter Plots
Show learners how to plot data to determine correlation. A data analysis video gives examples of positive, negative, and no correlation between variables. The final example plots real-life data, provides a line of best fit, and...
Khan Academy
Decimals and Fractions on a Number Line, Decimals, Pre-Algebra
Using a number line can provide students with a concrete representation of the value various numbers hold. Sal plots six different numbers on a number line. He includes whole, decimal, and negative numbers.
National Education Association
Perpendicular and Parallel Lines
Provide the definitions of parallel and perpendicular lines, as well as the relationships between their slopes. Two examples explain the process of finding the equation of either a perpendicular or parallel line to another line through a...
Calculus Expert
Least Squares Line
How does the calculator find a regression line? Don't leave your pupils wondering! The video goes through the process of calculating a regression line algebraically. The example uses a data set and use the formula for calculating...
Curated OER
How Do You Use a Scatter Plot to Find No Correlation?
How do you determine the correlation in a set of data? Plot the data, find the line of fit, then use that line to determine if the correlation is positive, negative, or no correlation. This tutorial demonstrates that when a line of fit...
Curated OER
How Do You Use a Scatter Plot to Find a Positive Correlation?
You can use a scatter plot to determine if there is a positive, negative, or no correlation between the given data. After graphing data you need to find a line of fit, a line that best represents the data you've graphed. It will be the...
Curated OER
How Do You Use the Vertical Line Test to Figure Out if a Graph is a Function?
How does the vertical line test help you decide if the graph of an equation is a function? The instructor draws a graph and then draws the line of the equation. She demonstrates how to use the vertical line test to determine if the graph...
Curated OER
How Do You Use a Scatter Plot to Find a Negative Correlation?
Organize your data on a graph. Use the data, pair them up as coordinate pairs, then graph them, resulting in a scatter plot. But how, you ask? Watch this tutorial to learn the step-by-step process needed to draw a scatter plot and...
Curated OER
How Do You Graph a Horizontal Line?
Graph a horizontal line that goes through a given point by first plotting that point on a coordinate plane. Then draw a straight line left and right that goes through the point, and you're done!
Curated OER
How Do You Graph a Vertical Line?
Draw a graph, label the units, plot the given point, then draw a straight line up and down through the given point. That is now the graph of a vertical line through a given point.
Curated OER
How Do You Make a Scatter Plot?
So you've got some x-values and some y-values and you want to make a scatter plot. First thing is to make a table for your x and y values. Then make ordered pairs and you can plot them.
Corbett Maths
Comparing Box Plots
Stacked box plots create an informative visual display. Using a video lesson, scholars compare data from box plots plotted on the same number line. They use both the visual display and the key intervals to make conclusions.
Curated OER
What Are Horizontal Lines?
When looking at the coordinate pairs for an horizontal line, all the y-values will be equal. Yes, the same, no matter what the x-value is. And the line will never cross the x-axis. Check out this tutorial video to see what that actually...
Curated OER
What's the Vertical Line Test?
Is the graph of the equation a function? Use the vertical line test to answer this question. The definition states that the vertical line can pass through the graph of the line no more than one time. The teacher demonstrates exactly what...
National Education Association
Scatter Plots and Line of Best Fit
Demonstrate how to use a box and whisker plot to place a line of best fit accurately with an educational video. It begins with a review of box and whisker and line of best fit, and then uses an application problem to describe the...
Mathispower4u
Graphing Functions by Plotting Points - Linear
It's a straight line to understanding how to graph linear functions. Scholars watch an informative video to learn the process of graphing linear functions. They understand how to make and fill in a table of values and then plot the...
Khan Academy
Box-and-Whisker Plots
Elucidating the concept of box-and-whisker plots, Sal explains not only how to generate the diagram but also how to read one. He uses several examples to help young mathematicians become familiar with the format and explains its...
Curated OER
What Does it Mean To Have No Correlation?
What does it mean when a scatter plot graph shows that there is no correlation? Does it have something to do with the slope of the line of fit? Yes, it certainly does have to do with the line of fit. If the slope of the line is zero,...
Corbett Maths
Reading Scales
There's any number of reasons why number lines are important. Young mathematicians learn about two skills related to numbers lines. First, they see how to determine the value of a point by considering the intervals drawn on the number...