These activities and worksheets provide practice rounding to the nearest tens and hundreds. These activities are aligned with 3rd Grade Common Core Standard 3.NBT.A.1 Use place value understanding to round whole numbers to the nearest 10 or 100 Contents Include: *Rounding to 100 Sort (for individual, partner, or center work) *Rounding to 10 Sort (for individual, partner, or center work) *Rounding to 10 Worksheet *Rounding to 100 Worksheet *Rounding 3- and 4- Digit Worksheet (includes