Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
-1=
_-1=_
| Question | Answer |
|---|---|
| 1-1= | 0 |
| 2-1= | 1 |
| 3-1= | 2 |
| 4-1= | 3 |
| 5-1= | 4 |
| 6-1= | 5 |
| 7-1= | 6 |
| 8-1= | 7 |
| 9-1= | 8 |
| 10-1= | 9 |
| 11-1= | 10 |
| 12-1= | 11 |
| 13-1= | 12 |
| 14-1= | 13 |
| 15-1= | 14 |
| 16-1= | 17 |
| 17-1= | 18 |
| 18-1= | 17 |
| 19-1= | 18 |
| 20-1= | 19 |
| 21-1= | 20 |
| 33-1= | 32 |
| 47-1= | 46 |
| 59-1= | 58 |
| 73-1= | 72 |
| 88-1= | 87 |
| 99-1= | 98 |
| 105-1= | 104 |
Created by:
chism.jennifer
Popular Math sets