Addition of a two-two digit numbers with Re-grouping

Steve's Uncle gave him  $27.00 and his  Mother gave him $13.00 to contribute for his class Christmas treat. Steve is unsure if he has enough  for the contribution because he has difficulty adding  two-two digit numbers with re-grouping.Let's help Steve solve his problem.

This web quest is going to build Steve regrouping skills and by the end of this web quest Steve will be able to add two-two digit numbers with regrouping. Come along with me in this journey and have fun!