National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Geo Gebra Prim (Conexiones Misteriosas)
Challenge yourself with this puzzle. Try to connect the dots of the same color with horizontal and vertical segments without leaving the grid and without crossing the lines.
Hooda Math
Hooda Math: Hooda Stacker
Hooda Math games provide students extra practice in a variety of math skills. This game focuses on CCSS.Math.Practice.MP1 Make sense of problems and persevere in solving them and CCSS.Math.Practice.MP8 Look for and express regularity in...
National Council of Teachers of Mathematics
The Math Forum: Multiplying Magic Squares
The math concept of "Magic Squares" is explored here with basic terminology and examples to begin with. Once students have mastered these, the more challenging idea of how to multiply magic squares is introduced. Review materials are...
Doina Popovici
Math Play: Equation Puzzle
Test your math vocabulary related to equations in this interactive crossword puzzle.
Harvey Mudd College
Mudd Math Fun Facts: Squares Ending in 5
This math tutorial features an exercise in which you are given any two-digit number that ends in 5 and then square it in your head.
Other
Nz Maths Problem Solving Lesson Plans: Level 4
This New Zealand Problem Solving website is an outstanding resource for lesson plans. They are organized into the following categories: algebra, geometry, measurement, numbers, statistics, and logic and reasoning.
Math Is Fun
Math Is Fun: Introduction to Algebra: Multiplication
How do you solve for a variable that is multiplied by another number in an algebraic equation? Find the answer to this question and see examples showing how to solve other types of algebra "puzzles."
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.
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.
Harvey Mudd College
Mudd Math Fun Facts: Magic Squares, Indeed!
This tutorial provides a definition and examples of a "magic square" and then shows a proof and generalizations.
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.
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...
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.
Maths Challenge
Maths challenge.net: Square Laminas
Solve this square lamina problem using your visualization skills and other mathematical prolem solving strategies.
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.
Ministry of Education and Employment of Spain
Red Escolar: El Crucigrama De Hipatia
In Spanish. Hypatia of Alejandria was a great mathematician that from an early age taught and investigated almost all branches of mathematics. To remember her solve the crossword puzzle involving problems of arithmetic, geometry and...
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.
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