What is the rule when youre rounding in 100 and 1000?

Answer 1

When rounding in hundreds place, look slat the tens place, if the digit is 5 and up then you round the hundreds place up to the next digit. If it is 4 and below then you retain the digit of the hundreds place. Example in rounding to tens place, 450 rounds to 500 while 449 rounds to 400. Same principle in rounding to thousands except you look at the hubdreds place digit when considering to round off. Example in rounding to thousands place. 4500 rounds to 5000 while 4499 rounds ro 4000.