Printable Math Riddles
Print these math riddle sheets for focused offline practice. The format leaves enough space for your working steps, which is useful for teaching and exam prep.
Tip: choose "Save as PDF" in your print dialog.
Easy Math Riddle
A father is 3 times as old as his son. In 12 years, he will be twice as old as his son. How old is the father now?
Medium Math Riddle
Three sailors find a pile of coconuts. The first sailor takes half the coconuts plus half a coconut. The second sailor takes half of what's left plus half a coconut. The third sailor does the same and there are none left. How many coconuts were there originally?
Hard Math Riddle
Two trains start 100 miles apart, heading toward each other. One goes 40 mph, the other 60 mph. A fly starts on one train and flies at 80 mph back and forth between them until they collide. How far does the fly travel in total?
Expert Math Riddle
Find three consecutive positive integers where the sum of all three equals the product of the first two.
Einstein Math Riddle
Find the multiplicative inverse of 36 modulo 53. (Give the smallest positive integer x with 36x ≡ 1 (mod 53).)