Add and Subtract Within 1000: Set 9
0 / 12Line up the place values before you start.
Write each sum.
258 + 646 =
213 + 664 =
679 + 252 =
310 + 642 =
204 + 540 =
658 + 242 =
Write each difference.
426 − 405 =
429 − 340 =
713 − 324 =
628 − 573 =
892 − 460 =
898 − 251 =