Rounding to the nearest 10
52
50
651 + 311
962
620
600
754 - 322
432
69
70
767 + 32
799
210
200
986 - 431
555
77
80
354 + 562
916
362
400
645 - 482
163
25
30
231 + 502
733
874
900
705 - 247
458
95
1,000
700 + 300
1,000
367
400
900 - 653
247