3.NBT.1 - Rounding to the nearest 10 and 100
3.NBT.2 - Fluently adding and subtracting to 1,000
3.NBT.3 - Multiplying one digit numbers by multiples of 10
A matching / sorting activity is provided for each standard with recording sheets. For standard 3.NBT.1, two centers are included. An answer key is provided for standards 3.NBT.1 and 3.NBT.2.
**Check out the preview for a peak at the center cards and recording sheets.