Curated OER
Geometric Sequences and Series
Learn to calculate the nth term of a sequence defined by an algebraic expression. They examine geometric sequences and series, relate geometric sequences to their explicit forms, find the partial sums of a sequence in a table, and...
Curated OER
Geometric Sequences and Series
Learners find common ratios of geometric sequences on a spreadsheet. Using this data, they create scatter plots of the sequences to determine how each curve is related to the value of the common ratio. They will consider whether series...
Curated OER
Get Your Numbers in Shape - TI-83
High Schoolers use the TI-83 calculator to produce a sequence, explore patterns and find a linear or quadratic equation for a given pattern. They use inductive reasoning to make conjectures about patterns. They find the Y-value of a...
Texas Instruments
Math TODAY for TI-Navigator System - Is Leisure Time Really Shrinking?
High schoolers organize data from the USA TODAY Snapshot, "Is leisure time really shrinking?" into two scatter plots and determine the quadratic model for each scatter plot. They determine if these graphs intersect and learn the concept...
Curated OER
Math TODAY for TI-Navigator System - Humidity Makes Air Feel Even Hotter ? Part II
Learners explore quadratic and cubic functions that will model the relationship between air temperature and heat index at fixed relative humidity values. They also make generalizations and apply the findings using their TI-83 Plus or...
Curated OER
Math TODAY Challenge - New Color of Money
High schoolers read about the changes in the "new money" and then create a graph to represent various combinations of currency produced.
Curated OER
More of U.S.
Explore graphical representation of a real-life data set and determine the exponential regression model for the data in your classroom. Learners also compare the estimated value to the given value by determining the percent error.
Curated OER
The Closer I Get To You
Pupils explore the law of reflection. Through experimentation and problem solving, they collect and analyze data pertaining to reflection. The data is plotted on a graph and formulas for calculating the x and y values are evaluated.
Alabama Learning Exchange
The Composition of Seawater
Students explore the concept of finding the composition of seawater. In this finding the composition of seawater instructional activity, students make a saturated salt water solution. Students discuss why there is variation in ocean...
Other
Stat Soft: Multiple Regression
This resource has a lot of information on multiple regression. It also contains information on the regression line.
Texas Education Agency
Texas Gateway: Modeling Data With Linear Functions
Given a scatterplot where a linear function is the best fit, the student will interpret the slope and intercepts, determine an equation using two data points, identify the conditions under which the function is valid, and use the linear...
Math Is Fun
Math Is Fun: Scatter Plots
Explains, with examples, what scatter plots are and how to interpret the data. Discusses trends, interpolation and extrapolation, and correlation. Includes a set of practice questions.
National Institute of Standards and Technology (NIST)
Nist: Engineering Statistics Handbook: Scatter Plots and Linear Regression
An explanation of scatter plots followed by examples of the many different kinds of scatter plots.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Least Squares Regression
Create your own scatter plot or use real-world data and try to fit a line to it. Explore how individual data points affect the correlation coefficient and best-fit line.
Oswego City School District
Regents Exam Prep Center: Regression Analysis
A collection of lesson ideas, a practice activity, and teacher resources for exploring regression analysis.
Oswego City School District
Regents Exam Prep Center: Scatter Plots and Line of Best Fit
Use this lesson, practice exercise, and teacher resource in planning instruction on scatter plots and line of best fit. In the lessons, you'll find definitions and examples of ways to make a scatter plot, determine correlations, and find...
Texas Education Agency
Texas Gateway: Tea Statistics: The Regression Equation
A tutorial on how to find the line of best fit or least-squares regression line for a set of data in a scatter plot using different methods and calculations.
Texas Education Agency
Texas Gateway: Collecting Data and Making Predictions
Given an experimental situation, the student will write linear functions that provide a reasonable fit to data to estimate the solutions and make predictions.
CK-12 Foundation
Ck 12: Interactive Algebra 1 for Ccss
This is a complete, full-year Algebra 1 course with interactivity included in every lesson. Some lessons include videos, and all include interactives and inline questions that offer instant, per-answer feedback. Every lesson also has...
Cuemath
Cuemath: Scatter Plot
A comprehensive guide for learning all about scatter plots with definitions, how to construct and solve them, types of scatter plots, solved examples, and practice questions.
Duke University
Duke University: Introduction to Linear Regression
This page discusses linear regression, its equations, background, and applications. Provides questions, answers, formulas, and explanations for understanding.
University of Regina (Canada)
University of Regina: Math Central: Scatter Plots
Three different concepts are examined about scatter plots. Topics featured are collecting data, analyzing scatter plots, and determining a line of "best fit". The lesson has an overview, material, procedures, and evaluation techniques.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Regression Method
This page goes over what regression method is and how a regression line fits in. Dr. MAth also suggests a book on regression if you are interested.
Texas Instruments
Texas Instruments: Investigate Outliers Effect on Regression Lines
In this activity, students begin to investigate linear regression by looking at the effect of outliers on the regression line. The worksheet is interactive.