National Council of Teachers of Mathematics
Nctm: Figure This: Pigeonhole Principle
What is the possibility that another student in your school will have your exact same initials? Try this math challenge using logical reasoning and the "Pigeonhole principle," to discover how this could actually happen. An engaging...
Maths Challenge
Maths challenge.net: Children in a Circle
A "one star" geometry problem that requires problems solving skills where drawing a picture might help with the answer.
Iowa State University
Math Night Resources: Pencil and Paper Games
Play these pencil and paper games to engage learners in critical thinking and reasoning. Written directions are provided along with colorful animation to explain in detail how each game is played and possible strategies needed to win.
University of Canterbury
University of Canterbury: Cs Unplugged: The Turing Test
Explore how we might recognize whether a system is truly intelligent. It involves reasoning about what it means to be intelligent, and even what makes us human.
Khan Academy
Khan Academy: The Honest Truth About Dishonesty
This is a four-problem practice question for the CARS test using the article "The Honest Truth about Dishonesty."
Khan Academy
Khan Academy: The Happy American
This is a four-problem practice question for the CARS test using the article "The Happy American."
TeachEngineering
Teach Engineering: Olympic Engineering
The lesson plan begins by introducing Olympics as the unit theme. The purpose of this lesson plan is to introduce students to the techniques of engineering problem solving. Specific techniques covered in the lesson plan include...
Other
Basket Math Interactive
Explore more than twenty math concepts such a perimeter, rounding, exponents, decimals, sign numbers, and more using this interactive basketball game. A Spanish version is also offered. Students results are tabulated daily.
National Council of Teachers of Mathematics
Nctm: Figure This: Thirteen? Oh No! (Pdf)
If you're superstitious you may want to try this math challenge. Test your reasoning and number sense skills by finding out if there is a Friday the 13th every year. Discover how understanding number patterns and reasoning can be helpful...
ABCya
Ab Cya: Alarmy
Alarmy is a fun physics based puzzle game for all ages! Help Alarmy wake up his fuzzy friends as he makes his way through different levels. You never know what type of challenges Alarmy will face!
ABCya
Ab Cya: Daisy's Plumber Puzzle
Daisy needs your help getting water to all the snoozing flowers! Use your plumber skills to rearrange the pipes so that the water flows from the faucet to the thirsty flower. The whole family will have fun with this puzzle game!
ABCya
Ab Cya: Puzzle Drops
Puzzle Drops is a fun match-3 puzzle game that the whole family will enjoy! Click/tap to rotate the puzzle piece and then drag it to the appropriate place on the game board. You'll have to use some strategy to reach the goal in each level.
Other
Fagler College/nas 111/scientific Methodology
Power Point presentation on scientific method for NAS 102 Human and Environmental Biology II.
ABCya
Ab Cya: Alarmy 2
Alarmy is back in this fun physics based puzzle game! Kids of all ages can help Alarmy wake up more of his fuzzy friends. Alarmy 2 is packed full of new challenges and obstacles. Do you have what it takes to collect all 72 stars?
Indiana University
Indiana University: Science vs. Non Science
This mini-lesson at the Evolution and Nature of Science Institute site from Indiana University provides a criteria by which students can evaluate an idea or explanation for scientific credibility.
ABCya
Ab Cya: Zippy Boxes
Zippy Boxes is a fun stress-free puzzle game that will keep you entertained for hours. Move the colored boxes to the square containing the same colored key to unlock the crazy creature trapped inside. Parents and children will have a...
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: Make 37
Sharpen your logic and addition skills while working on this challenge. Solution.
University of Cambridge
University of Cambridge: Nrich: Brothers and Sisters
Figure out the ages of the children in this family using the clues and your sound algebraic thinking. Check the solution after you complete the problem.
University of Cambridge
University of Cambridge: Nrich: Heads and Feet
Solve this problem about hens and sheep and practice your algebraic thinking all at the same time. A solution is provided at this 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.
Ducksters
Ducksters: Kid's Games: Rules of Checkers
Kids learn the basic rules and strategy of the game of checkers on this site.
Quia
Quia: Nature of Science Scientific Method Concentration
Play a game of concentration by matching terms used in the scientific method to their proper description.
Quia
Quia: Nature of Science Scientific Method Flashcards
Review the nature of science with on-line flash cards.