All of my rounding games and number lines as of 10/2015.
Number Lines for Rounding:
40 number lines to practice rounding to the nearest hundred, thousand, ten thousand and hundred thousand.
Rounding to the Nearest Ten
Rounding to the Nearest Ten With 2- and 3- Digit Numbers
Rounding to the Nearest Hundred With 3-Digit Numbers
Rounding to the Nearest Hundred with 4-Digit Numbers
Rounding Tens on a Number Line
Rounding Hundreds on a Number Line
Each game has a practice page/worksheet to go with it. Please click each game if you want to see more close-up previews :)