Add and Subtract Within 1000: Set 1
0 / 12Line up the place values before you start.

Write each sum.
601 + 100 =
521 + 471 =
874 + 107 =
590 + 323 =
440 + 557 =
464 + 313 =
Write each difference.
311 − 185 =
398 − 146 =
591 − 133 =
515 − 418 =
428 − 162 =
234 − 157 =