Adding three or four single-digit numbers Mentally (2nd grade math)
In this 2nd grade lesson, we delve into mental addition of several single-digit numbers — sums such as 6 + 8 + 5 or 9 + 9 + 4 + 5 and similar. In adding four numbers, it often works to first add them in pairs. Another useful strategy in mental math is t
| Hochgeladen von: | |||||||
 |
|
Hochgeladen am:
30.08.2020 04:09
Aufrufe: 111
0 von 5 Sternen | 0 Bewertung(en)
