Check out the links on this page as they are simply good links to follow. There are plenty of sites on this page which have interesting explorations awaiting.
Decimal Squares-interactive games
Fifth Grade Math Sites-grouped by standard
Fifth Grade Math Practice-this site has everything?
Fifth Grade Math Worksheets-from practice to enrichment
Fifth Grade Math Resources-Many opportunities for practice
Daily Buzzword-word of the day
Fifth Grade Language Arts Sites-grouped by topic
Writing Fix-random prompts to practice your writing
Geography Games-from Kidsgeo.com
GeoBee-from National Geographic Kids
Science Kids-online interactive site
Hands-on Activities-from the Exploratorium
Try Science-hands-on science online or at home!
Logic Puzzles-from Math Playground
Virtual Field Trips
World Wide Panoramas
M.C. Escher-great tesselation art
Links for Kids from Hoagies Gifted Education-TONS!
Online Activities from Scholastic-all grade levels and topics