answersLogoWhite

0


Best Answer

1001

User Avatar

Haylee Stokes

Lvl 10
3y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

13y ago

Let's look at some patterns:

1 + 1000 = 1001

2 + 999 = 1001

3 + 998 = 1001

4 + 997 = 1001

.

.

.

So there are 500 pairs of numbers that have a sum of 1001.

Thus, the sum of numbers from 1 to 1000 is 500*1001 = 500,500.

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What is the sum of all the numbers from 1-1000?
Write your answer...
Submit
Still have questions?
magnify glass
imp