Addition
12
12-6=
6
Count by 5's to 15
5, 10, 15
Count by 10's to 30
10, 20, 30
6, ___, 8
7
6+3=
9
10-4=
6
Count by 5's to 25
5, 10, 15, 20, 25
Count by 10's to 40
10, 20, 30, 40
10, ___, 12
11
8+6=
14
7-7=
0
Count by 5's to 35
5, 10, 15, 20, 25, 30, 35
Conut by 10's to 50
10, 20, 30, 40, 50
15, ___, 17
16
10
9-2=
7
Count by 5's to 45
5, 10, 15, 20, 25, 30, 35, 40, 45
Count by 10's to 70
10, 20, 30, 40, 50, 60, 70
17, ___, ___, 20
18, 19
5+7=
12
18-4=
14
Count by 5's to 50
5, 10, 15, 20, 25, 30, 35, 40, 45, 50
Count by 10's to 100
10, 20, 30, 40, 50 , 60, 70 ,80 ,90, 100
20, ___, ___, 23
23, 22