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