Adding by 10s
Adding by 10s
Subtracting by 10s
Subtracting by 10s
Math Challenge
10
27 + 20 =
47
10
2 + 90 =
92
10
54 - 10 =
44
10
34- 10 =
24
10
72 + 26 =
98
20
32 + 50 =
82
20
48 + 40 =
88
20
88 - 40 =
48
20
65 - 40 =
25
20
49 + 41 =
90
30
32 + 10 =
42
30
32 + 40 =
72
30
70 - 10 =
60
30
90 - 50 =
40
30
75 + 12 =
87
40
18 + 60 =
78
40
63 + 40 =
103
40
92 - 10 =
82
40
77 - 70 =
7
40
65 - 23 =
42
50
43 + 60 =
103
50
88 + 20 =
108
50
110 - 20 =
90
50
111 - 40 =
71
50
95 - 31 =
64