Math worksheet for practicing addition and subtraction with positive and negative integers.

Here are the solutions for each math problem on the worksheet, row by row.

Row 1:
* $16 - 9 = 7$
* $13 - 9 = 4$
* $8 + 1 = 9$
* $12 - 9 = 3$
* $21 - 9 = 12$
* $9 + 5 = 14$
* $5 + 7 = 12$
* $7 + 7 = 14$
* $14 - 7 = 7$
* $7 + 11 = 18$

Row 2:
* $7 + 1 = 8$
* $1 + 7 = 8$
* $7 + 7 = 14$
* $4 + 3 = 7$
* $11 - 9 = 2$
* $15 - 5 = 10$
* $11 - 3 = 8$
* $8 + 10 = 18$
* $1 + 11 = 12$
* $12 - 9 = 3$

Row 3:
* $10 - 4 = 6$
* $8 + 12 = 20$
* $8 + 1 = 9$
* $10 + 3 = 13$
* $16 - 12 = 4$
* $4 + 4 = 8$
* $13 - 5 = 8$
* $14 - 6 = 8$
* $3 + 5 = 8$
* $14 - 10 = 4$

Row 4:
* $5 + 3 = 8$
* $12 + 3 = 15$
* $6 + 6 = 12$
* $16 - 8 = 8$
* $4 + 10 = 14$
* $9 + 8 = 17$
* $6 + 1 = 7$
* $7 - 6 = 1$
* $16 - 6 = 10$
* $7 - 3 = 4$

Row 5:
* $3 + 7 = 10$
* $11 - 7 = 4$
* $20 - 9 = 11$
* $10 - 3 = 7$
* $6 - 2 = 4$
* $7 + 8 = 15$
* $5 + 9 = 14$
* $14 - 11 = 3$
* $4 + 3 = 7$
* $12 - 10 = 2$

Row 6:
* $11 + 4 = 15$
* $12 - 5 = 7$
* $12 + 1 = 13$
* $6 - 4 = 2$
* $4 + 12 = 16$
* $12 - 11 = 1$
* $4 - 1 = 3$
* $6 + 12 = 18$
* $10 - 9 = 1$
* $14 - 11 = 3$

Row 7:
* $3 + 6 = 9$
* $10 + 2 = 12$
* $8 + 3 = 11$
* $6 + 12 = 18$
* $21 - 10 = 11$
* $3 + 6 = 9$
* $5 + 6 = 11$
* $7 + 2 = 9$
* $14 - 10 = 4$
* $16 - 9 = 7$

Row 8:
* $7 - 3 = 4$
* $17 - 9 = 8$
* $12 + 3 = 15$
* $14 - 3 = 11$
* $6 + 8 = 14$
* $9 - 1 = 8$
* $4 - 3 = 1$
* $11 + 2 = 13$
* $10 - 5 = 5$
* $5 + 5 = 10$

Row 9:
* $8 + 5 = 13$
* $7 - 4 = 3$
* $17 - 8 = 9$
* $10 - 7 = 3$
* $15 - 11 = 4$
* $13 - 8 = 5$
* $4 + 9 = 13$
* $11 - 9 = 2$
* $16 - 8 = 8$
* $15 - 5 = 10$

Row 10:
* $7 - 2 = 5$
* $10 + 8 = 18$
* $6 - 1 = 5$
* $14 - 5 = 9$
* $8 + 12 = 20$
* $13 - 3 = 10$
* $14 - 2 = 12$
* $12 + 3 = 15$
* $18 - 6 = 12$
* $12 + 9 = 21$