|
|
1.
|
Use the strategy of adding from right to left to solve each
question.
4567 + 234
|
|
2.
|
1259 + 467
|
|
3.
|
2145 + 7121
|
|
4.
|
3621 + 4901
|
|
5.
|
6992 + 1432
a. | 8424 | b. | 9424 | c. | 7424 | d. | 10 424 |
|
|
6.
|
5123 + 2130
|
|
7.
|
5622 + 198
|
|
8.
|
2199 + 567
|
|
9.
|
5122 + 4119
|
|
10.
|
3245 + 2199
|