University of Cambridge
University of Cambridge: Nrich: Multiplication Squares
On this one page website sharpen your logic and multiplication skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Three Squares
Students can sharpen their logic and spatial relationship skills while working on this challenge on this one page website. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Month Mania
Sharpen your logic and pattern-creation skills while working on this challenge. A solution is available to check your results.
University of Cambridge
University of Cambridge: Nrich: New House
On this one page website sharpen your logic and spatial sense skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Doplication
On this one page website sharpen your logic and pattern extension skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Penta Place
Sharpen your logic and pattern recognition skills while working on this challenge. Solution included.
University of Cambridge
University of Cambridge: Nrich: Adding Triangles
Sharpen your logic and geometry skills by finding the area of a triangle. Solution available.
University of Cambridge
University of Cambridge: Nrich: Four Triangles Puzzle
Sharpen your logic and and pattern recognition skills with this four triangles puzzle. The solution is available to check your work.
University of Cambridge
University of Cambridge: Nrich: Big Dog, Little Dog
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: Counting Cards
On this one page website sharpen your logic and factor skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Grouping Goodies
On this one page website sharpen your logic and factor skills while working on this challenge. The solution is available to double check your solution.
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University of Cambridge: Nrich: What's Left?
On this one page website sharpen your logic and factor recognition skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Train Carriages
On this one page website sharpen your logic and pattern creation skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: It Must Be 2000
On this one page website sharpen your logic and pattern extension skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Arranging the Tables
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: Good Work if You Can Get It
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: Make 37
Sharpen your logic and addition skills while working on this challenge. Solution.
University of Cambridge
University of Cambridge: Nrich: Bike Ride
On this one page website sharpen your logic and rate measurement skills while working on this challenge. The solution is available to double check your solution.
Oswego City School District
Oswego City School District: Working With Related Conditionals
Students are given a conitional statement and are to determine which choice is the converse of the statement.
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: Find the Fake
Find the fake bar of gold in this problem and you are only allowed to use the scale twice. Can you do it? Once you have your solution check this one page website to verify it.
University of Cambridge
University of Cambridge: Nrich: Elf Suits
Reasoning will help you figure out the various combinations of elf suits at this one page website. Check your solution against the solution given and see if they agree with you!
University of Cambridge
University of Cambridge: Nrich: Train Timetable
Reasoning will help you figure out the timetable for the trains in this problem. Construct a table and see if it matches the solution this one page website provides.
University of Cambridge
University of Cambridge: Nrich: Home Time
Use the clues and logic to solve this car pool problem. The solution provided allows you to check your results.