Place Value
Round to the Nearest Ten
Round 267 to the nearest ten. Look at the ones digit (7): since 7 >= 5, round up to 270.
rounding-rule
Look at the ones digit. If it is 5 or greater, round up: add 1 to the tens digit and set ones to 0. If it is less than 5, round down: set ones to 0 and keep the tens digit the same.