How many tens are in this number?
70
7
6
17
How many tens are in this number?
80
18
17
8
How many tens are in this number?
9
90
19
91
How many tens are in this number?
100
10
01
11
How many ones are in this number?
12
1
2
How many one's are in this number?
3
12
11
How many one's are in this number?
01
001
10
100
How many one's are in this number?
50
5
05
15
