Find out what fills a room, but takes up no space, with this riddle and math combo worksheet. Use subtraction skills to solve the riddle on this math worksheet.

Subtract your way to the end of a maze, with the added challenge of drawing your path along the answers in order from 10 to 1.

This math and riddle worksheet gets your kid to figure out what runs without legs. Try our subtraction worksheet for an added dose of mystery with your math.