1. REGROUPING CONVERSION CHART
10
11
12
13
14
15
16
17
18
19
0123456789
Regrouping when subtracting really only applies to numbers in
the 20s or higher. For example (Borrowing here would only
produce the original number being borrowed from):
17
17
-8
9
Solid Examples
Addition (Carrying)
1
435
+318
753
Subtracting (Borrowing)
12
8 13 10
930
-493
437