Can you figure out the value of the angles?

How many children were born?

Figure out what number comes next!

Number re-arrangement puzzle!

Cool Math Puzzle from Bilbao!

Challenging Math Problem!

A challenging math type puzzle/brain teaser!

What number does each character represent?

Moving Cards Lateral Thinking Puzzle!

math puzzle, things flying about

Hard Math Puzzle with coins!

Visual Spatial Challenge!

Math Brain Teaser, tell me our ages...

Speed and Distance Puzzle

Math Brain Teaser, Wounded Soldiers

Prove that the addition sum is correct! Lateral thinking may be needed!

Math Brainteaser without Algebra!

Final Checkboard Math Puzzle!

#2 in the Checkerboard Trilogy!