CK-12 Foundation
Ck 12: Statistics: Double Line Graphs
[Free Registration/Login may be required to access all resource tools.] Construct and interpret double line graphs.
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Reading Graphs
A good introduction to reading bar, line, and double line graphs, and drawing and reading Venn diagrams. Contains definitions and examples of these types of charts and graphs as well as practice exercises that ask you to answer questions...
ClassFlow
Class Flow: Graphs
[Free Registration/Login Required] This flipchart presents bar and double bar graphs, line and double line graphs, pictographs, histograms, and circle graphs with review activities and web links for practice.
Better Lesson
Better Lesson: The Double Number Line
The double number line will help students figure out problems that involve two quantities.
University of Cambridge
University of Cambridge: Nrich: Graphing Number Patterns
On this one page website sharpen your logic, graphing and pattern recognition skills while working on this challenge. The solution is available to double check your solution.
Common Core Sheets
Common Core Sheets: Ratios and Proportional Relationships 6.rp.3b Worksheets
Print or create worksheets or flashcards to assess students' understanding of ratios and unit rates.
Oswego City School District
Regents Exam Prep Center: Linear Inequalities
A complete review of linear inequalities interval notation, and compound inequalities. Several applications of the compound inequalities are given along with solutions and explanations. Links to sites assisting with graphing calculator...
Curated OER
Double Line Conic
An overview of the four types of conic sections is presented. The origin of how each conic is formed and a table of various characteritics specific to each type of conic is shown.
Richland Community College
Rcc: Solving Inequalities Algebraically and Graphically
Straightforward explanations on how to solve inequalities. Includes linear inequalities, double inequalities, absolute value inequalities, polynomial inequalities, and rational inequalities.
National Council of Teachers of Mathematics
Nctm: Illuminations: Geogebra: Dynagraphs
Explore relationships between inputs and outputs by manipulating interactive double number lines.
Other
Stat Soft: Statistics Glossary
Dozens of statistical terms are defined and illustrated in this glossary.