Math worksheet for practicing addition with regrouping.

Here are the correct answers for the addition problems on the worksheet, calculated row by row from left to right.

Row 1:
* $9 + 9 = 18$
* $4 + 3 = 7$
* $5 + 5 = 10$
* $6 + 6 = 12$
* $7 + 7 = 14$
* $9 + 9 = 18$
* $5 + 3 = 8$

Row 2:
* $6 + 4 = 10$
* $7 + 7 = 14$
* $5 + 5 = 10$
* $8 + 8 = 16$
* $5 + 5 = 10$
* $7 + 7 = 14$
* $4 + 3 = 7$

Row 3:
* $7 + 5 = 12$
* $7 + 9 = 16$
* $9 + 9 = 18$
* $4 + 8 = 12$
* $8 + 8 = 16$
* $6 + 6 = 12$
* $8 + 8 = 16$

Row 4:
* $5 + 6 = 11$
* $3 + 3 = 6$
* $3 + 3 = 6$
* $4 + 7 = 11$
* $8 + 8 = 16$
* $5 + 7 = 12$
* $7 + 3 = 10$

Row 5:
* $6 + 6 = 12$
* $5 + 5 = 10$
* $4 + 4 = 8$
* $5 + 5 = 10$
* $4 + 4 = 8$
* $9 + 9 = 18$
* $9 + 9 = 18$

Row 6:
* $5 + 4 = 9$
* $1 + 1 = 2$
* $5 + 5 = 10$
* $4 + 5 = 9$
* $4 + 8 = 12$
* $8 + 8 = 16$
* $1 + 1 = 2$

Row 7:
* $5 + 3 = 8$
* $6 + 6 = 12$
* $5 + 5 = 10$
* $9 + 9 = 18$
* $9 + 9 = 18$
* $9 + 9 = 18$
* $9 + 3 = 12$

Row 8:
* $7 + 6 = 13$
* $5 + 5 = 10$
* $5 + 5 = 10$
* $2 + 2 = 4$
* $4 + 4 = 8$
* $9 + 9 = 18$
* $1 + 1 = 2$

Row 9:
* $5 + 6 = 11$
* $6 + 6 = 12$
* $7 + 7 = 14$
* $8 + 8 = 16$
* $4 + 4 = 8$
* $6 + 6 = 12$
* $7 + 5 = 12$

Row 10:
* $1 + 7 = 8$
* $9 + 9 = 18$
* $8 + 8 = 16$
* $7 + 7 = 14$
* $2 + 2 = 4$
* $5 + 5 = 10$
* $5 + 1 = 6$

Final Answer:
Row 1: 18, 7, 10, 12, 14, 18, 8
Row 2: 10, 14, 10, 16, 10, 14, 7
Row 3: 12, 16, 18, 12, 16, 12, 16
Row 4: 11, 6, 6, 11, 16, 12, 10
Row 5: 12, 10, 8, 10, 8, 18, 18
Row 6: 9, 2, 10, 9, 12, 16, 2
Row 7: 8, 12, 10, 18, 18, 18, 12
Row 8: 13, 10, 10, 4, 8, 18, 2
Row 9: 11, 12, 14, 16, 8, 12, 12
Row 10: 8, 18, 16, 14, 4, 10, 6