Khan Academy
Khan Academy: Use Geometric Sequence Formulas
Given the formula of a geometric sequence, either in explicit form or in recursive form, find a specific term in the sequence.
Better Lesson
Better Lesson: Same but Different
Today, this common student answer will be the accepted one as students try to find different ways to fill in a hexagon.
Better Lesson
Better Lesson: Putting on Patterns Exploring Simple Patterns
Understanding patterns is an important foundation for learning mathematical concepts. In this lesson, students not only work with patterns, they become the pattern!
PBS
Pbs Learning Media: Pattern Recognition: Cyberchase Games
Identify the patterns using addition, subtraction, and geometry to solve the puzzle and crack Hacker's code.
Dartmouth College
Dartmouth College: Pattern Lessons
Students read about examples of symmetry and patterns in alters and the mandala.
Maths Challenge
Maths challenge.net: Counting Triangles
A "one star" geometry problem that requires finding the visual pattern and applying logic with pattern recognition to solve this number of triangles problem.
Other
Websudoku
A fun puzzler to get any mind thinking logically! Try many levels of puzzles using the following rules: "Enter digits from 1 to 9 into the blank spaces. Every row must contain one of each digit. So must every column, as must every 3x3...
University of Cambridge
University of Cambridge: Nrich: Is It Magic or Is It Maths?
On this one page website sharpen your logic and pattern recognition skills while working on this magic challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Mathemagician's Seven Spells
See if you can find the pattern in the sequence of numbers that will break the Mathemagician's spell. The solution is available at this one page website. After you find your solution you can check it.
University of Cambridge
University of Cambridge: Nrich: Think of Two Numbers
On this one page website sharpen your logic, and pattern recognition skills while working on this challenge. The solution is available to double check your solution.
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.
University of Cambridge
University of Cambridge: Nrich: Magic Plant
On this one page website sharpen your logic and pattern recognition skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: How Old?
On this one page website sharpen your logic and pattern recognition skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Gnomon 1
This interactive activity gives you an opportunity to explore a specific number pattern named the "Fibonacci sequence." See what other patterns you can discover while you manipulate the blocks. There is a "Printable Page" link if you...
University of Cambridge
University of Cambridge: Nrich: Why 8?
On this one page website sharpen your logic and pattern recognition skills while working on this challenge. The solution is available to double check your solution.
Other
Sudoku Puzzles
This site offers many uses for Sudoku, including free online puzzles, free puzzles for school publication, and it gives the history of Sudoku.
Math Is Fun
Math Is Fun: Common Number Patterns
Developed by a mathematics teacher from the UK, this page identifies and illustrates several common number patterns.
University of Cambridge
University of Cambridge: Nrich: Calendar Patterns
On this one page website sharpen your logic and pattern recognition skills while working on this calendar challenge. The solution is available to double check your solution.
National Council of Teachers of Mathematics
Nctm: Figure This: What's Missing?
Can you find the missing pattern in the "sona?" Explore missing patterns and growing patterns in this NCTM Math Challenges for Families activity. Discover how archaeologist and anthropologist use these mathematical patterns to learn...
Fun Brain
Fun Brain: Number Cracker (Number Series Game)
The Number Cracker needs you to help find a secret code by identifying the missing number in a series.
Other
20/20 Technologies: The Fruit Game (Using Patterns)
The Fruit Game is an interesting interactive game that will capture the attention of students in the study of finding and using patterns. Much like a game of tic-tac-toe, a pattern to winning must be discovered and used. The site clearly...
Other
Saskatoon Public Schools: Sorting and Patterns
There are a variety of activities here for students to practise identifying and creating patterns.
Toy Theater
Toy Theater: Matching
The user chooses which creatures are the same, either by shape, or by color, or by shape and color.
National Council of Teachers of Mathematics
Nctm: Figure This: Seeing Stars
Can you draw a picture of the stars on an American flag?