adding
what is 50 + 50 ?
100
56-12
44
count by 2s to 10
2,4,6,8,10
3x6=
18
18/2
9
155 + 148=
303
31 - 19 =
12
count by 3s to 15
3, 6, 9, 12, 15
5x9=
45
40/5
8
407+352=
759
74-48=
26
count by 5s to 30
5, 10, 15, 20, 25, 30
4x8=
32
24/6
4
1234 +121=
1355
83-29=
54
count by 6s to 36
6, 12, 18, 24, 30, 36
7x7=
49
42/7
6
1,790 + 1,590 =
3380
150 - 40 =
110
count by 7s to 35
7, 14, 21, 28, 35
9x8=
72
54/9=
6