University of Cambridge
University of Cambridge: Nrich: Making Boxes
Have fun and learn by making a box and then find out its maximum volume as well as other problem-solving activities, including making a table of your results and drawing a graph.
University of Cambridge
University of Cambridge: Nrich: Making Cuboids
How many different cuboids can you make? Learn how and learn how to represent data with your results.
University of Cambridge
University of Cambridge: Nrich: Games the Triangle Game
Use this game to improve your knowledge and understanding of triangles and naming vertices. Just read and follow the instructions! [Requires Java.]
University of Cambridge
University of Cambridge: Nrich: Building Stars
This interactive activity gives you an opportunity to color in a tessellation that is different from the usual. Read the short introduction to find out more about this tessellation that doesn't repeat.
University of Cambridge
University of Cambridge: Nrich: Making Rectangles
On this one page website sharpen your logicand pattern recognition skills while working on this rectangle challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: It Figures!
Learn fraction multiplication with this fun tutorial.
ClassFlow
Class Flow: Brain Sizzlers
[Free Registration/Login Required] This flipchart contains one page logic puzzles adapted from the book Brain Sizzlers. These activities make great warm ups for math grades 6- algebra.
Disfruta Las Matematicas
Disfruta Las Matematicas: Puzzles De Logica
This site contains many logic puzzles. It could be used as fun supplementary materials. Solutions are also provided.
Ministerio de Educacion, Cultura y Deporte (Spain)
Centros5: Rincon Matematico 2000
Enjoy many of the math poems, puzzles and tricks in this math corner.
University of Cambridge
University of Cambridge: Nrich: Cubes Within Cubes
On this one page website sharpen your logic, geometry, spatial thinking, and problem solving skills while working on this challenge. The solution is available to double check your solution.
Alabama Learning Exchange
Alex: Tan Ii
The Chinese character mark for Tan II (pronounced she-tow-bah) is the second of two lessons to introduce first grade students to geometry using tangrams. This instructional activity incorporates history, math, and language arts. In this...
Alabama Learning Exchange
Alex: Fun With Problem Solving
The object of this lesson is to teach students that problem solving can be interesting and fun. It is important to pay attention to what is asked and information that is in the problem.This lesson plan was created as a result of the...
Other
Juegos, Acertijos, Y Recreaciones Matematicas
In Spanish. A variety of logic problems, including puzzles and word problems with links to the answers. An excellent site to engage Spanish speaking students.
National Council of Teachers of Mathematics
Nctm: Figure This: Gone Fishing (Pdf)
Use your algebraic reasoning to solve this math challenge that explores the relationship between quantities and weights. Try this math challenge from the NCTM Math Challenges for Families series. Also, discover how mastering this skill...
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.
Oswego City School District
Regents Exam Prep Center: Working With Sets and Venn Diagrams
A collection of activities that help students understand number relationships by using Venn diagrams to solve math problems. Practice problem solving skills in the interactive practice. Then, follow up with a classroom activity using the...
Texas Instruments
Texas Instruments: Numb3 Rs: The Missing City
Based off of the hit television show NUMB3RS, this lesson has students examine maps of a crime spree in order to figure out if any locations have been unreported. The lesson is not math-intensive and instead forces students to use...
Other
Math Stories: Working Backwards
At this one page site you can work through step by step a sample problem that illustrates the problem solving strategy for "Working backwards." The answer is right there to help you check your thinking.
University of Cambridge
University of Cambridge: Nrich: More Christmas Boxes
Sharpen your logic and spatial reasoning skills while working on this challenge. Solution available.
University of Cambridge
University of Cambridge: Nrich: Where Are They?
Test your logic, polygon properties, and pattern recognition skills working on this challenge. Solution included.
University of Cambridge
University of Cambridge: Nrich: Transformations on a Pegboard
This one page website can expand your logic, Motion Geometry and pattern recognition knowledge. The solution is available to double check your answers.
University of Cambridge
University of Cambridge: Nrich: Spelling Circle
On this one page website use trial and error to find the words hidden in the spelling circles. Check your solution right at the website.
University of Cambridge
University of Cambridge: Nrich: What's It Worth?
Use this one page website to practice the problem solving strategy of trial and error! The solution is available right at the website.
University of Cambridge
University of Cambridge: Nrich: Money Bags
Practice your problem solving skills while you help Ram figure out how many pennies to put in each bag. The solution is right on this one page website.
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