Printable addition worksheets within 1000 – grade 3 (medium) worksheet for kids. Free PDF download and answer key included.
456 + 234 = ______
789 + 123 = ______
567 + 345 = ______
678 + 234 = ______
891 + 109 = ______
432 + 567 = ______
765 + 234 = ______
876 + 123 = ______
543 + 456 = ______
654 + 345 = ______