Scholastic
Fruity Fractions
Why would a banana use suntan lotion? Find the solution to the riddle by completing a math worksheet. Kids convert fractions to equivalent fractions and match letters at the bottom of the page.
Math Learning Center
Grade 5 Supplement Set A2 – Number and Operations: Primes, Composites and Common Factors
Incorporate riddles into your math lesson by having students make tree factors and determine if the number is a prime or composite. They will also use other clues to find the answer to the riddle while sharpening their...
Education World
Pilgrim Projects
Finally! Here are some new and fresh ideas, across the curicullum, that can be used around the Thanksgiving holiday. The lesson is divided up into two sections: Beyond Turkey - Activities for Younger Students and, Beyond Turkey -...
TED Talks
Ted: Ted Ed: Can You Solve the Bridge Riddle?
Taking that internship in a remote mountain lab might not have been the best idea. Pulling that lever with the skull symbol just to see what it did probably wasn't so smart either. But now is not the time for regrets because you need to...
TED Talks
Ted: Ted Ed: Can You Solve the Temple Riddle?
Your expedition finally stands at the heart of the ancient temple. But as you study the inscriptions in the darkness, two wisps of green smoke burst forth. The walls begin to shake. The giant sandglass begins flowing with less than an...
Maths Challenge
Maths challenge.net: Problem Solving Database
Need some challenging problem-solving work for your students in the following areas: Discrete, Geometry, Numbers, and Code Breaking? This is the place for an enormous database of problems aimed at high school age students. They are...