Students learn to round numbers by looking at the digit to the right of the place they're rounding to. If it's 5 or more, round up; if it's less than 5, round down. For example, 47 rounds to 50 (nearest 10) and 47 rounds to 0 (nearest 100). This skill is essential for estimation and mental math.
Students learn to round numbers by looking at the digit to the right of the place they're rounding to. If it's 5 or more, round up; if it's less than 5, round down. For example, 47 rounds to 50 (nearest 10) and 47 rounds to 0 (nearest 100). This skill is essential for estimation and mental math.