Curated OER
How does the solution change?
Four simple equations, each with two variables, try to get at the important question of reasoning about equations. The problem isn't to solve the equations, but to understand the nature of their solutions. These equations address the...
Curated OER
Performing a Play
Students discover logical deduction by participating in a play. In this reasoning lesson, students act as characters from a play who's words must be analyzed to see if they are true or not. Students perform parts of the play and...
University of Cambridge
University of Cambridge: Nrich: Amy's Dominoes
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Game Fifteen
Sharpen your problem solving and strategy skills playing this interactive game, Fifteen. The rules are simple but the game requires some thinking if you want to beat the computer. There is a "Printable Page," link if you want to print it...
University of Cambridge
University of Cambridge: Nrich: Game: Tandem
Sharpen your problem solving and strategy skills playing this game. There is a "printable page" link if you want to print it out to help you work with the problem.
University of Cambridge
University of Cambridge: Nrich: Seven Pots of Plants
On this one page website sharpen your logic skills while working on this flower pot labels mix up challenge. The solution is available to double check your solution.