Printable addition worksheets within 1000 – grade 6 (medium) worksheet for kids. Free PDF download and answer key included.
456 + 234 = ________
789 + 123 = ________
345 + 678 = ________
298 + 457 = ________
567 + 389 = ________
145 + 867 = ________
672 + 298 = ________
389 + 564 = ________
741 + 259 = ________
263 + 748 = ________