200 + 500 = 700; 8 + 9 = 17; 20 + 10 = 30; 700 + 30 + 17 = 747 addends

In this sequence of calculations, the goal is to add various sums to ultimately get the total of 747. Let's break it down step-by-step:

1. **200 + 500 = 700**  
   The sum of 200 and 500 is 700.

2. **8 + 9 = 17**  
   The sum of 8 and 9 is 17.

3. **20 + 10 = 30**  
   The sum of 20 and 10 is 30.

4. **700 + 30 + 17 = 747**  
   Finally, adding the results:  
   700 + 30 = 730  
   730 + 17 = 747.

So, the total sum is indeed **747**.

Would you like more details on any part of this process?

Here are 5 questions to expand on the topic:
1. What are addends in an addition problem?
2. How can you break down larger addition problems into simpler steps?
3. Why is it important to follow the order of operations in mathematics?
4. How does place value affect addition calculations?
5. Can you explain how regrouping (or carrying) works in addition?

**Tip:** When adding numbers, grouping them in tens or hundreds can make the calculations easier!

Learn how to perform basic addition of multiple numbers, including the sums of 200 + 500, 8 + 9, and 20 + 10, to find the total 747. This problem is suitable for students in Grades 3-5 and covers key arithmetic concepts like addends and simple addition.

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