1. What is 123 + 456?
A. 579
B. 567
C. 669
D. 579
Answer: A. 579
2. What is 234 + 789?
A. 1023
B. 923
C. 1024
D. 922
Answer: C. 1024
3. What is 567 + 432?
A. 999
B. 990
C. 989
D. 988
Answer: A. 999
4. What is 345 + 678?
A. 1023
B. 1000
C. 1021
D. 1022
Answer: C. 1021
5. What is 789 + 123?
A. 912
B. 900
C. 911
D. 913
Answer: A. 912
6. What is the sum of 654 and 321?
A. 975
B. 955
C. 976
D. 975