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,...
PBS
Pbs: Valentine Cards: Exploring Relationships Between Variables
Determine how many valentines will be exchanged depending on the number of students in each class. This interactive exercise focuses on examining data to find a pattern and extending the pattern until a rule can be realized, taking math...
Other
The Math Learning Center: Pattern Shapes
Students use pattern shapes to explore geometry and fractions, creating their own designs, or filling in outlines. As they work with the shapes students explore geometric relationships, think about angles, investigate symmetry, and...
National Council of Teachers of Mathematics
The Math Forum: What Is a Tessellation?
The Math Forum defines and illustrates geometric tessellation.
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.
NumberNut
Number Nut: Let Math Begin With Addition
This introductory addition lesson, explores the relationship between adding and number patterns using a number pyramid designed by mathematician Carl Gauss. A short lesson with interesting facts and links to related games for practicing...
National Council of Teachers of Mathematics
The Math Forum: Means Proportional and Geometric Means
Dr. Math helps a student discover the meaning of the mean proportional of two numbers. Detailed explanation with examples.
AAA Math
Aaa Math: Counting Even Numbers by Twos
Use this lesson to learn about adding two and skip counting to understanding the concepts of counting even numbers by twos. Play the interactive game "Counting Up By Twos," and get your score instantly.
AAA Math
Aaa Math: Even and Odd Numbers
At this lesson you can learn, practice, play a game and explore all about even and odd numbers. There are lots of resources to use to learn about even and odd numbers.
AAA Math
Aaa Math: Counting Even Numbers
At this lesson you can learn, practice, play a game and explore counting even numbers by 2. There are lots of resources to use to learn about even and odd numbers at this website.
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: 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: 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: It Must Be 2000
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.
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.
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: 1 Step 2 Step, Fibonacci
See if you can find the patterns on the staircase. Mr. Fibonacci would be so proud to know you found the solution. You can check your solution right at this nifty one-page website.
University of Cambridge
University of Cambridge: Nrich: Games Frogs
Use this interactive game to improve your knowledge and understanding of patterns and algebra. Can you describe a rule to follow where you make the least moves? Just follow the instructions below it.
University of Cambridge
University of Cambridge: Nrich: Doplication
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.
University of Cambridge
University of Cambridge: Nrich: Buzzy Bee Problem
See if you can find the pattern in Buzzy Bee's honeycomb. The solution is available right at this one page website.
Other
Math Stories: Finding a Pattern
At this one page site, you can work through step by step a sample problem that illustrates the problem-solving strategy for "identify a pattern." The answer is right there to help you check your thinking.
Other
Casting Out Nines: A Math Computation Checking Strategy
It's a mathematician's dream come true. An easy trick for checking mathematical computations, without a calculator! Believe it or not, it works with all four operations.
National Council of Teachers of Mathematics
Nctm: Figure This: Radar Bills
Have you seen a radar bill lately? Explore number patterns, number combinations, and probability in this math challenge that examines serial numbers on U.S. bills. A one page activity from the NCTM Math Challenges for Families series.
Alabama Learning Exchange
Alex: 'There's Gold in Them There Hills'
Students study the important characteristics of quadratic relationships by exploring the area of rectangles with a fixed perimeter. This lesson involves tables, graphing and patterns. This Lesson is adapted from a Connected Math Unit:...