Apps, apps, apps! Solving problems online and on paper is fun. So is using a tablet or smart phone if you have access to one. Below are a few apps you might enjoy trying out.
Math
Math Doodles Three different number puzzles with lots of variations.
Wuzzit Trouble Use your puzzle-solving skills to unlock the Wuzzits’ cages. It's useful to know your multiplication facts. Thinking ahead helps you succeed!
Five Dice Make the target number using only the numbers on the dice.
Number Pyramid Use mental math to help you solve these puzzles. Click on the "gear" to increase the level of difficulty. Try using negative numbers!
Math Lands Math, logic and puzzle games.
Mathmateer Practice your math skills and earn parts to build a rocket. 3, 2, 1... blast off!
Deep Sea Duel An addition strategy game that can be played at many levels.
Motion Math Move your iPad to play this game! In the process you'll work on fractions, decimals and percents.
VersaMate A strategy game and fraction practice all in one. Play the computer or challenge a friend.
Questimate By Motion Math Create, estimate, and learn! Play alone or play with a friend.
Motion Math: Match A matching game that builds concentration and mental arithmetic skills.Many levels. Fun!
Motion Math: Zoom Practice place value with animals (amoebas to dinosaurs) on a number line. Race the clock if you like!
Engineering/Physics Puzzle Games and Challenges
Cargo Bridge Design and build bridges in a variety of settings. Will they hold weight or will they collapse?!
World of Goo Build towers, solve puzzles. It's a gooey world!
Construction Zone Design and build in this physics based puzzle game.
Monster Physics A building app that lets you play with physics! Build and operate your own car, crane, rocket ship, plane and more!
Cut the Rope Wonderfully creative physics-based puzzle game. Lots of variety.
Feed Me Oil You'll need a combination of physics and logic to solve these puzzles.
Cling Thing You'll need to think quickly to get out of these sticky situations!
Programming
Hopscotch A programming language for kids. It's a little like Scratch.