adding
what is 50 + 50 ?
100
85-18=
67
count by 2s to 20
2,4,6,8,10,12,14,16,18,20
5x9=
45
32/8=
4
155 + 148=
303
31 - 19 =
12
count by 3s to 30
3, 6, 9, 12, 15, 18, 21, 24, 27, 30
6x6=
36
48/6=
8
407+352=
759
74-48=
26
count by 5s to 50
5, 10, 15, 20, 25, 30, 35, 40, 45, 50
4x8=
32
50 / 5=
10
1234 +121=
1355
56 - 12 =
44
count by 6s to 36
6, 12, 18, 24, 30, 36
7x7=
49
72 / 8=
9
1,790 + 1,590 =
3380
150 - 40 =
110
count by 9s to 45
9, 18, 27, 36, 45
9x9=
81
36/3=
12