Here are the solutions for each problem on the worksheet.
Column 1
1. $5 + -9 = -4$
2. $-3 + -1 = -4$
3. $-3 + 6 = 3$
4. $-3 + 3 = 0$
5. $-7 + -3 = -10$
6. $8 + -8 = 0$
7. $-1 + -6 = -7$
8. $-20 + 7 = -13$
9. $-9 + -9 = -18$
10. $-7 + 1 = -6$
11. $2 + -9 = -7$
12. $-9 + -4 = -13$
13. $-7 + 3 = -4$
Column 2
1. $-9 + 1 = -8$
2. $-2 + 1 = -1$
3. $-1 + 5 = 4$
4. $9 + -2 = 7$
5. $-5 + 9 = 4$
6. $2 + 5 + -9 = -2$
7. $-9 + 1 = -8$
8. $-3 + 1 = -2$
9. $1 + 5 = 6$
10. $-3 + 6 = 3$
11. $9 + -2 = 7$
12. $-3 + 3 = 0$
13. $-5 + -9 = -14$
14. $-7 + -3 = -10$
Column 3
1. $-15 - (-6) = -9$
2. $-15 - 6 = -21$
3. $3 - 7 = -4$
4. $-2 - 5 = -7$
5. $7 - (-1) = 8$
6. $9 - 3 = 6$
7. $-5 - (-10) = 5$
8. $1 - 11 = -10$
9. $-8 - (-2) = -6$
10. $4 - (-4) = 8$
11. $-3 - (-4) = 1$
12. $-1 - 12 = -13$
13. $2 - 9 = -7$
Final Answer:
Column 1: -4, -4, 3, 0, -10, 0, -7, -13, -18, -6, -7, -13, -4
Column 2: -8, -1, 4, 7, 4, -2, -8, -2, 6, 3, 7, 0, -14, -10
Column 3: -9, -21, -4, -7, 8, 6, 5, -10, -6, 8, 1, -13, -7
Parent Tip: Review the logic above to help your child master the concept of problems for adding and subtracting integer operations.