Printable addition worksheets within 1000 – grade 1 (hard) worksheet for kids. Free PDF download and answer key included.
487 + 326 = ______
654 + 178 = ______
293 + 489 = ______
742 + 167 = ______
568 + 347 = ______
821 + 159 = ______
376 + 485 = ______
694 + 238 = ______