Math Is Fun
Math Is Fun: Introduction to Algebra
How is algebra like solving a puzzle? What is a variable? This simple introduction to algebraic equations offers examples of how to solve for "x" and how to balance equations. Follow a link to a "Simple Algebra Worksheet" when you're...
Math Playground
Math Playground: Shape Inlay Game
Drag and drop shapes into a puzzle to explore tessellations.
Homeschool Math
Homeschool Math: Divisibility Rules
This is a complete instructional activity about the concept of divisibility and common divisibility rules. It briefly reviews the concepts of factor, divisor, and a number being divisible by another. Then, the "easy" divisibility rules...
Homeschool Math
Homeschool Math: Comparing Fractions
Video lesson [8:41] explains various methods for comparing fractions. It includes word problems and a puzzle for practice.
PBS
Pbs Learning Media: Solving an Equation for a Missing Value
The CyberSquad solves a number puzzle to help save Motherboard in this video segment from Cyberchase.
PBS
Pbs Learning Media: Solving the Sphinx's Fraction Problem
In this Cyberchase video segment, Wicked and Digit solve a fraction puzzle in order to move on in their quest to save the CyberSquad.
University of Cambridge
University of Cambridge: Nrich: Shutting Puzzle
Sharpen your problem solving skills and figure out a solution for this interesting problem. The solution is on this one page website so that you can check your answer.
ABCya
Ab Cya: Zero Sum
Welcome to Zero Sum, a fun math-puzzle game! Drag the tiles over the target numbers to reduce their values to zero. Be careful to make sure that none of the target numbers get reduced below zero. If you get stuck, use the reset button to...
ABCya
Ab Cya: Mystic Numbers
Enter the Mystical Temple and discover hidden treasure by placing the number orbs in the correct spots on the pedestal. Great addition skills are essential in this exciting math puzzle game. Give it a try!
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: El Sistema Decimal De Numeracion
Practice your knowledge of different number systems with the interactive example then check your knowledge with the different exercises.
Maths Challenge
Maths challenge.net: Pentominoes
A "one star" geometry problem that requires problems solving skills and exercises ones visual-spatial abilities. One may want to cut out the pieces to solve the problem as a puzzle.
National Council of Teachers of Mathematics
Nctm: Figure This: Number Tricks
Can you break the magic number code? Test your algebra aptitude in this challenge that explores number generalizations, symbols, and equations. Discover how algebraic procedures are used in everyday situations in this one page activity...
K-5 Math Teaching Resources
K 5 Math Teaching Resources: The Product Is [Pdf]
Given some clues the students are to find the possible solutions.
ClassFlow
Class Flow: Mental Math
[Free Registration/Login Required] This flipchart is a group of one page starter exercises that require students to use logic to find the solution.
PBS
Pbs Learning Media: The Puzzle of the Amulet of Amagansett
In this video segment from Cyberchase, Wicked and Digit use what they know about fractions to figure out how many jewels are missing from the Amulet of Amagansett.
Enchanted Learning
Enchanted Learning: All About Whales
This site provides a great deal of information about whales.
University of Cambridge
University of Cambridge: Nrich: Got It
Sharpen your logical thinking and see if you can figure out the strategy to get to the target number before the computer.
University of Cambridge
University of Cambridge: Nrich: A Cartesian Puzzle
This one page website lets you practice plotting points on the coordinate grid. See if you can find the missing coordinates to complete the shapes. When you are finished the solutions are only a click away.
University of Cambridge
University of Cambridge: Nrich: A Puzzling Cube
See if you can figure out which symbols are on which cube face at this one page website. The solution is just a click away once you have your solution in mind.
Rice University
Rice University: Cynthia Lanius: Geometry Online
This is a site for geometry lovers. Chock-full of puzzles, games, interesting geometry facts, and online activities.
PBS
Pbs Learning Media: Cyberchase: Fixing the Teleporter Part 1
In this Cyberchase video, the Teleporter breaks and the CyberSquad must try to fix it using clues given to them by Ms. Fileshare. This is one in a series of two problem-solving videos. [3:49]
PBS
Pbs Learning Media: Making Popcorn Balls (Multiplication)
In this Cyberchase video segment, Bianca uses multiplication to help her adjust the recipe for popcorn balls.
PBS
Pbs Learning Media: Transporting to Ms. Fileshare
In this video segment from Cyberchase, the CyberSquad tries to reach Ms. Fileshare by using a 3 x 3 matrix to figure out the various ways they can travel to her.
University of Cambridge
University of Cambridge: Nrich: Clever Santa
Help Santa figure out how many puzzles and books to leave for the children of this family. Once you figure it out you can check the solution.
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