Looking for a fun teaching idea for rounding numbers? Well look no further as Rounding Numbers Game Puzzles (rounding to the nearest ten and hundred), for CCSS 3.NBT.1, will serve as an exciting lesson for 3rd grade elementary school classrooms. This is a great resource for a guided math center rotation, review exercise, small group work and for an intervention or remediation.I hope you download and enjoy this engaging hands-on manipulative activity with your students!