In this critical thinking learning exercise, students answer five brain teaser questions that challenge them to use their common sense and basic knowledge.

Students warm up for the activity by solving brain teasers. They add and subtract unlike fractions on white boards. They transfer class notes into math journals and write a summary of the lesson.

In this math detective instructional activity, students cut apart and assemble a small 24 page book about alien invaders. Students go page by page, solving the math problems and skipping to the specified pages depending on their answers....

In this number sense worksheet, students solve 8 story problems in which clues are given for the ages of a group of people. Students figure out the age of each person in the story.

Two word puzzles encourage collaboration among learners. One sheet has numbers and initials that show a relationship and the other has pictorial images that represent a phrase. Partners cooperate in order to develop functional working...

Use these twelve printable brain teasers with your math lessons. Each one is illustrated and provides directions to assist you in finding the answer.

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...