Did you know that
2.392.700
tests have already been made here ?
Also try how good you are at mental arithmetic!
Arithmetic without time? Go to leren-rekenen.nl
Here you learn arithmetic error-free for FREE
2.392.700
tests have already been made here ?
Also try how good you are at mental arithmetic!
Arithmetic without time? Go to leren-rekenen.nl
Here you learn arithmetic error-free for FREE
| naam | number correct | number done | |
| 19 | 20 | 9 March | |
| 15 | 18 | 9 March |
| the OPTELSOMMEN 10-20 in 2 minutes has not been made yet this week. |
| the OPTELSOMMEN 10-20 in 3 minutes has not been made yet this week. |
| naam | number correct | number done | |
| 13 | 13 | 9 March | |
| Lucas | 12 | 14 | 9 March |
| nick | 7 | 9 | 9 March |
| the OPTELSOMMEN 10-20 in 6 minutes has not been made yet this week. |