Here are the solutions for the addition problems. I have worked through each one carefully to ensure accuracy.
1. $92 + 86$
* Ones place: $2 + 6 = 8$
* Tens place: $9 + 8 = 17$
* Result:
178
2. $83 + 55$
* Ones place: $3 + 5 = 8$
* Tens place: $8 + 5 = 13$
* Result:
138
3. $69 + 78$
* Ones place: $9 + 8 = 17$ (write 7, carry 1)
* Tens place: $6 + 7 + 1 \text{ (carry)} = 14$
* Result:
147
4. $36 + 44$
* Ones place: $6 + 4 = 10$ (write 0, carry 1)
* Tens place: $3 + 4 + 1 \text{ (carry)} = 8$
* Result:
80
5. $51 + 77$
* Ones place: $1 + 7 = 8$
* Tens place: $5 + 7 = 12$
* Result:
128
6. $49 + 28$
* Ones place: $9 + 8 = 17$ (write 7, carry 1)
* Tens place: $4 + 2 + 1 \text{ (carry)} = 7$
* Result:
77
7. $88 + 63$
* Ones place: $8 + 3 = 11$ (write 1, carry 1)
* Tens place: $8 + 6 + 1 \text{ (carry)} = 15$
* Result:
151
8. $41 + 75$
* Ones place: $1 + 5 = 6$
* Tens place: $4 + 7 = 11$
* Result:
116
9. $79 + 64$
* Ones place: $9 + 4 = 13$ (write 3, carry 1)
* Tens place: $7 + 6 + 1 \text{ (carry)} = 14$
* Result:
143
10. $29 + 42$
* Ones place: $9 + 2 = 11$ (write 1, carry 1)
* Tens place: $2 + 4 + 1 \text{ (carry)} = 7$
* Result:
71
11. $71 + 93$
* Ones place: $1 + 3 = 4$
* Tens place: $7 + 9 = 16$
* Result:
164
12. $89 + 91$
* Ones place: $9 + 1 = 10$ (write 0, carry 1)
* Tens place: $8 + 9 + 1 \text{ (carry)} = 18$
* Result:
180
13. $63 + 67$
* Ones place: $3 + 7 = 10$ (write 0, carry 1)
* Tens place: $6 + 6 + 1 \text{ (carry)} = 13$
* Result:
130
14. $97 + 92$
* Ones place: $7 + 2 = 9$
* Tens place: $9 + 9 = 18$
* Result:
189
15. $49 + 83$
* Ones place: $9 + 3 = 12$ (write 2, carry 1)
* Tens place: $4 + 8 + 1 \text{ (carry)} = 13$
* Result:
132
16. $85 + 66$
* Ones place: $5 + 6 = 11$ (write 1, carry 1)
* Tens place: $8 + 6 + 1 \text{ (carry)} = 15$
* Result:
151
17. $82 + 19$
* Ones place: $2 + 9 = 11$ (write 1, carry 1)
* Tens place: $8 + 1 + 1 \text{ (carry)} = 10$
* Result:
101
18. $92 + 68$
* Ones place: $2 + 8 = 10$ (write 0, carry 1)
* Tens place: $9 + 6 + 1 \text{ (carry)} = 16$
* Result:
160
19. $39 + 93$
* Ones place: $9 + 3 = 12$ (write 2, carry 1)
* Tens place: $3 + 9 + 1 \text{ (carry)} = 13$
* Result:
132
20. $48 + 97$
* Ones place: $8 + 7 = 15$ (write 5, carry 1)
* Tens place: $4 + 9 + 1 \text{ (carry)} = 14$
* Result:
145
Final Answer:
1. 178
2. 138
3. 147
4. 80
5. 128
6. 77
7. 151
8. 116
9. 143
10. 71
11. 164
12. 180
13. 130
14. 189
15. 132
16. 151
17. 101
18. 160
19. 132
20. 145
Parent Tip: Review the logic above to help your child master the concept of math worksheets for grade 3.
