Use these task cards to help your students practice solving double & triple digit addition & subtraction problems using partial sums and differences. Great as a review before a more complex addition/subtraction unit, as a reteach before starting partial products or partial quotients - or as an additional strategy while learning how to add and subtract multi-digit problems.

Contains 32 problems in all

16 - addition (4 triple digit)

16 - subtraction

Comes with an answer key for all problems and a worksheet that can be copied for student use. All problems are numbered.