Free Printable Addition Without Regrouping Worksheet by tinywhiz | Sep 18, 2016 | 1st Grade, Addition, Math | In this exercise, find the sum of each math problem. All of these equations are without regrouping. This exercise is great for Kindergarten and First Grade aged groups. Download Here More Math Resources Subscribe To Our NewsletterJoin our mailing list to receive the latest worksheets and blog posts from TinyWhiz. SUBSCRIBE! You have Successfully Subscribed!