Khan Academy
Khan Academy: Interpret Relationships Between Patterns
Generate patterns using given rules. Identify relationships between terms. Graph ordered pairs consisting of corresponding terms from the patterns. Students receive immediate feedback and have the opportunity to try questions repeatedly,...
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Two Step Number Patterns [Pdf]
The student learns how to create number patterns involving addition and subtraction.
Other
Helping With Math: Generating Patterns & Identifying Relationships
A tutorial and downloadable worksheets that practice generating patterns and identifying relationships. It offers a pretest, an explanation with examples, practice, and a test.