What number is this?
30
What number is this?
70
How many tens are in this number?
4
14
10
40
What number is this?
50
How many tens are in this number?
13
30
3
What number is this?
10
How many tens are in this number?
5
10
15
How many tens are in this number?
90
19
9
91
What number is this?
100
How many tens are in this number?
8
80
18
17
What number is this?
40
What number is this?
60
What number is this?
20
How many tens are in this number?
4
3
1
2
How many tens are in this number?
20
2
1
What number is this?
80
How many tens are in this number?
01
10
100
11
How many tens are in this number?
60
5
6
What number is this?
90
How many one's are in this number?
50
05
5
15
How many tens are in this number?
17
7
70
6
How many one's are in this number?
01
10
001
100
How many ones are in this number?
2
12
1
How many one's are in this number?
3
11
12