Shodor Education Foundation
Shodor Interactivate: Lesson: Stem and Leaf Plots
Lesson plan introduces students to stem-and-leaf plots. Many resources are available for student and teachers here.
Cuemath
Cuemath: Line Graphs
A comprehensive guide for learning all about line graphs with definitions, their sections, how to read and create graphs, solved examples, and practice questions.
Illustrative Mathematics
Illustrative Mathematics: 8.sp Animal Brains
This task looks at a possible relationship between the weight of an animal's body and the weight of its brain. Students make a scatter plot of data, look for outliers, make a second scatter plot without the outliers, and describe the...
Illustrative Mathematics
Illustrative Mathematics: 8.sp Laptop Battery Charge
This task looks at how long it takes for a laptop battery to fully charge. Students make a scatter plot of data, draw a 'line of best fit,' and predict the time it will take to reach a full charge. Aligns with 8.SP.A.2.
Khan Academy
Khan Academy: Correlation Coefficient Review
The correlation coefficient r measures the direction and strength of a linear relationship. Calculating r is pretty complex, so we usually rely on technology for the computations. We focus on understanding what r says about a scatterplot.