7,000
the increase from 7000 to 8000 is 1000
8000
7000 + 1000 is 8000.
6500
8000
7000
7000
7900
7000
7171 rounded to the nearest thousand is 7000.
This means the nearest multiple of 1000. Multiples of 100 are 1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000, 9000... etc. To round to the nearest thousand, you identify which of these values is closest to 7533. 7533 is in between 7000 and 8000, but closer to 8000, so your answer would be 8000.