Activity
Scholastic

Scholastic: Max's Math Adventures: Magnifying Max

For Teachers 2nd - 5th Standards
This site has the view through Max's magnifying glass. The ants seem to be walking past him in a pattern, can you help him predict how many ants are coming next? Teachers will like the teacher's guide, activity sheet, and extra challenges.
Lesson Plan
PBS

Pbs Mathline Lesson Plan: Struts'n Stuff [Pdf]

For Teachers 3rd - 5th Standards
Incorporating concepts in algebra, number sense, patterning, data collection, and geometry, this lesson engages students in various hands-on activities to explore the relationship between regular polygons and the number of diagonals...
Activity
Maths Challenge

Maths challenge.net: Perimeter Sequence

For Students 3rd - 6th Standards
A "one star" geometry problem that requires finding the visual pattern and applying logic with basic math skills to find the perimeter from the sequence.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Predicting the Next Shape in a Sequence of 2 D and 3 D Shapes

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on how to predict the next shape in a two dimensional or three dimensional pattern.
Activity
Ministry of Education and Employment of Spain

Red Escolar: Juega Con Sucesiones

For Students 3rd - 8th
In Spanish. Find out about patterns and number sequences and read about some of Fibonacci tricks.
Activity
University of Cambridge

University of Cambridge: Nrich: It Must Be 2000

For Students 3rd - 8th Standards
On this one page website sharpen your logic and pattern extension skills while working on this challenge. The solution is available to double check your solution.
Activity
University of Cambridge

University of Cambridge: Nrich: Doplication

For Students 3rd - 8th Standards
On this one page website sharpen your logic and pattern extension skills while working on this challenge. The solution is available to double check your solution.
Lesson Plan
Scholastic

Scholastic: Uncover Patterns in Number Sequences

For Teachers 3rd - 5th Standards
This Marilyn Burns lesson plan provides an activity and discourse to help lead intermediate students through the pattern identification process.