Curated OER
3 Digit Addition Without Regrouping
In this math activity, students solve 24 problems in which 3 digit numbers are added. There is no regrouping on the page. There are 10 pages available here.
Curated OER
Three-Digit Plus Three-Digit Addition (A)
In this math worksheet, students solve 100 problems in which 3 digit numbers are added with regrouping. The problems are in vertical format.