Matematica
| | |
|Use the counters to findthe sum. |Use the counters if you like. |
| ||
| ||
|● |● ● |
|●|● ● |
| ||
|● ● | |
|● ●|● |
| ||
| ||
| | |
|2 and 4 is ______ in all.| |
| |4 and 1 is ______....
Regístrate para leer el documento completo.