Julia Robinson Mathematics Festival
The University of Mississippi Problem of the Week
Shell Center Performance Tasks
Richard Wiseman Posts a Problem Every Friday
Interactive Mathematics Miscellany and Puzzles
K-12 Math Puzzles from the Math Forum
Middle School Problem of the Week
Word Problems For Kids – Grades 5 to 12
Archive or Riddles and Puzzles
Your link to “Word Problems For Kids – 5 to 12” is broken.
Fixed. Thanks, Dan.