1.
What is the sum of 45678 and 56789?
Correct Answer
D. 102467
Explanation
To find the sum of two numbers, you perform addition, which involves combining the values of both numbers. In this case, you add 45678 and 56789 together, digit by digit, starting from the rightmost position. If the sum of any two digits exceeds 9, you carry over the excess to the next column. After adding all the digits, you get the total sum, which in this case is 102467.
2.
What is the sum of 2563 and 5489?
Correct Answer
A. 8052
Explanation
To find the sum of two numbers, you perform addition, which involves combining the values of both numbers. In this case, you add 2563 and 5489 together, digit by digit, starting from the rightmost position. If the sum of any two digits exceeds 9, you carry over the excess to the next column. After adding all the digits, you get the total sum, which in this case is 8052.
3.
What is the sum of 9875 and 9624?
Correct Answer
A. 19499
Explanation
To find the sum of two numbers, you perform addition by adding each digit from the rightmost position, carrying over any excess if the sum exceeds 9. For 9875 + 9624, when you add each corresponding digit, you get 9 + 2 = 11 in the units place, which requires carrying over 1 to the tens place. Continuing this process, you get the total sum of 19499.
4.
What is the sum of 2356 and 4578?
Correct Answer
C. 6934
Explanation
The correct answer is 6934. To find the sum of the two numbers, we add each corresponding digit together, starting from the rightmost digit. 6 + 8 equals 14, so we carry over the 1 to the next column. 5 + 7 + 1 equals 13, so we carry over the 1 again. 3 + 5 + 1 equals 9, and finally, 2 + 4 equals 6. Therefore, the sum of 2356 and 4578 is 6934.
5.
What is the sum of 7412 and 3652?
Correct Answer
B. 11064
Explanation
To find the sum of 7412 and 3652, you add each corresponding digit. Starting from the rightmost position, you have 2 + 2 = 4 in the units place. Moving to the next column, you get 1 + 5 = 6 in the tens place. Continuing this process, you find the sum to be 11064.
6.
What is the sum of 5241 and 3245?
Correct Answer
A. 8486
Explanation
To find the sum of 5241 and 3245, you add each corresponding digit. Starting from the rightmost position, you have 1 + 5 = 6 in the units place. Moving to the next column, you get 4 + 4 = 8 in the tens place. Continuing this process, you find the sum to be 8486.
7.
What is the sum of 4125 and 5632?
Correct Answer
B. 9757
Explanation
To find the sum of 4125 and 5632, you add each corresponding digit. Starting from the rightmost position, you have 5 + 2 = 7 in the units place. Moving to the next column, you get 2 + 3 = 5 in the tens place. Continuing this process, you find the sum to be 9757.
8.
What is the sum of 1478 and 9632?
Correct Answer
A. 11110
Explanation
To find the sum of 1478 and 9632, you add each corresponding digit. Starting from the rightmost position, you have 8 + 2 = 10 in the units place. This results in carrying over 1 to the next column. Then, you have 7 + 3 + 1 = 11 in the tens place. Continuing this process, you find the sum to be 11110.
9.
What is the sum of 6548 and 6987?
Correct Answer
A. 13535
Explanation
To find the sum of 6548 and 6987, you add each corresponding digit. Starting from the rightmost position, you have 8 + 7 = 15 in the units place. This results in carrying over 1 to the next column. Then, you have 4 + 8 + 9 + 1 = 22 in the tens place. Continuing this process, you find the sum to be 13535.
10.
What is the sum of 5845 and 9874?
Correct Answer
B. 15719
Explanation
The correct answer is 15719. To find the sum of 5845 and 9874, we add the corresponding digits together. Starting from the rightmost digit, 5 + 4 equals 9, 4 + 7 equals 11 (carrying over 1 to the next column), 8 + 8 + 1 equals 17 (carrying over 1 again), and finally 5 + 9 + 1 equals 15. Therefore, the sum of 5845 and 9874 is 15719.