1. A farmer harvested 264 pumpkins on Monday and 518 pumpkins on Tuesday. How many pumpkins did the farmer harvest in total? ___
2. Calculate the sum of 783 and 459. The result is ___.
3. A school library has 476 fiction books and 385 non-fiction books. What is the total number of books in the library?
4. Find the sum: $692 + 874 = ___.
5. Which of the following addition statements is correct?
6. Find the missing digit that makes the addition problem correct. 5_6 + 278 ------ 834
7. A student calculated $586 + 247$ and got an answer of 723. What was the student's mistake?
8. A video game has two levels. A player scored 958 points on the first level and 865 points on the second level. The player's total score was ___ points.
9. When adding $478 + 354$, a '1' is written above the hundreds place during the calculation. What does this '1' represent?
10. A charity fundraiser collected donations of 6,294 dollars, 3,857 dollars, and 4,176 dollars from three different towns. What is the total amount collected? ___ dollars (include comma)