1 × 9 = 9

2 × 9 = 18

3 × 9 = 27

4 × 9 = 36

5 × 9 = 45

6 × 9 = 54

7 × 9 = 63

8 × 9 = 72

9 × 9 = 81

10 × 9 = 90

11 × 9 = 99

So,

The multiplies of 9 up to 100 will be,

9, 18, 27, 36, 45, 54, 63, 72, 81, 90 and 99.