Addition
10 + 5
15
12 - 6
6
Round to the nearest 10:
27
30
2 X 5
10
35 + 42
77
54 - 21
33
Round to the nearest 10:
45
50
3 X 3
9
964 + 23
987
845 - 641
204
Round to the nearest 10:
569
570
5 X 6
30
671 + 245
916
400 - 273
127
Round to the nearest 10:
842
840
6 X 8
48
1234 + 5678
6912
2026 - 1954
72
Round to the nearest 10:
4536
4540
60