Arrangement of Toothpicks
This arrangement of toothpicks forms fourteen different squares of various sizes. Can you remove six toothpicks and leave only three squares
Critical Thinking Skills
Thinking Techniques with Images, Logical Thinking, Critical Thinking Skills, Solve Problems, Evaluate Ideas, Mindbenders, Math Bafflers.
What Will Happen to Each Screw?
Take a close look at the two screws below. Suppose they were both turned in a counter clockwise rotation. What will happen to each screw?
Two Cyclists
Two cyclists race along a straight course. The faster of the pair maintains an average speed of 30 mph. The slower cyclist averages 25 miles
A Computer and Its Monitor
A computer and its monitor weigh a total of 48 pounds. If the monitor weighs twice as much as the computer, how much does each piece of hard
Gumballs in a Fish Bowl
In order to win a free visit to the dentist, students had to guess the exact number of gumballs in a fish bowl.The students guessed 45,41, 5