Numbers below 50 are rounded down. When rounding to the nearest 1,000, numbers with 500 in the hundreds column are rounded up to the next thousand. For example, 1,500 would round up to 2,000.

Leave the digit the same if the next digit is less than 5 (this is called rounding down) but increase it by 1 if the next digit is 5 or more (this is called rounding up). The rounded value must be ...