Numbers and Operations in Base Ten
3.NBT.1 - Rounding to the Nearest 10 or 100
Click on the pictures below to view extra help videos. After the video click on the guided practice tab to work out a problem on your own.
Place Value and Rounding Games
Place Value Worksheets
More Place Value Videos and Resources:
Click on the pictures below to access place value videos.
There is a lesson tab and practice tab on each activity.
3.NBT.2 - Fluently Add and Subtract
Regrouping with Base Ten Blocks
Click on the picture below to play addition games.
Addition Word Problem Video:
(Click on the picture below to open activity. There is a lesson tab and practice tab at the top of the video.
Subtraction with Regrouping
Subtraction with Regrouping Worksheets