Mental math is easy: multiply 2-digit numbers with partial products (grade 4 math)
Partial products means we multiply numbers part-by-part. For example, 5 x 36 is done as 5 x 30 and 5 x 6, and those two parts are added. You can quite easily do these in your head when one number has two digits and the other has one. This concept is ver
| Hochgeladen von: | |||||||
 |
|
Hochgeladen am:
30.08.2020 04:16
Aufrufe: 105
0 von 5 Sternen | 0 Bewertung(en)
