Jump to exercise:
Count Backward by Tens
39, ,
33, ,
66, , ,
63, ,
95, , , ,
42, ,
92, , ,
54, ,
81, , , ,
50, ,
35, ,
94, , ,
97, , ,
31, ,
89, ,
57, , ,
96, ,
100, , , ,
58, , ,
88, ,
Your score is:
Excellent
You have to submit all exercises