Worksheet
Curated OER

Scatterplots and Regressions

For Students 8th - 9th
In this scatterplots and regressions activity, learners solve 6 different types of problems related to graphing scatterplots and interpreting regressions. First, they create a scatterplot from the given data coordinates and then,...
Handout
Purple Math

Purplemath: Set Notation

For Students 9th - 10th Standards
This resource explains concepts related to set notation and gives examples for each.
Website
Purple Math

Purplemath: Solving Linear Inequalities: Introduction and Formatting

For Students 9th - 10th Standards
This resource demonstrates how to solve linear inequalities step-by-step and shows four different solution formats/notations viz. inequality notation, set notation, interval notation, and the last "notation" which is more of an...
Handout
Purple Math

Purplemath: Sequences and Series: Terminology and Notation

For Students 9th - 10th
Explains the basic terminology and notation of sequences and series, including summation symbols, subscripts, and indices.
Unit Plan
Purple Math

Purplemath: Composition of Functions: Composing With Sets of Points

For Students 9th - 10th
An in-depth lesson that explains the notation and terminology of function composition, and demonstrates how to use composition. Successive pages look at composing functions at points, composing functions with functions, word problems...