How about a math challenge for a sunny day at the beach? Apply your problem solving, number sense, and logical reasoning skills to find out how long it would take Helix to get sunburned using SPF 10 lotion. Discover why understanding...

Some may think this problem is for the birds but you will need to use your problem solving skills to come up with a reasonable answer. Then check this one page website for the solution.

Sharpen your problem solving and strategy skills playing this interactive game, Counter Roundup. The rules are simple but the game requires some thinking if you want to beat the computer. There is a "Get Printable Page," link at the top...

Sharpen your problem-solving and strategy skills while playing the interactive game, Two Stones. The rules are simple, but the game requires some thinking if you want to beat the computer. Watch as the play proceeds to see what it takes...

Sharpen your problem solving and strategy skills by playing this interactive game. The game's rules are simple, but play requires some thinking if you want to beat the computer. You can change the settings and see if your strategy works...

A fun puzzler to get any mind thinking logically! Try many levels of puzzles using the following rules: "Enter digits from 1 to 9 into the blank spaces. Every row must contain one of each digit. So must every column, as must every 3x3...

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...

A "one star" geometry problem that requires problems solving skills where drawing a picture might help with the answer.

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.

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.

This is a four-problem practice question for the CARS test using the article "The Honest Truth about Dishonesty."

This is a four-problem practice question for the CARS test using the article "The Happy American."

The lesson begins by introducing Olympics as the unit theme. The purpose of this lesson is to introduce learners to the techniques of engineering problem solving. Specific techniques covered in the lesson include brainstorming and the...

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.

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...

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!

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!

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.

Power Point presentation on scientific method for NAS 102 Human and Environmental Biology II.

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?

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...

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.

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.

Sharpen your logic and addition skills while working on this challenge. Solution.