Lesson Plan

Rounding Up to the Nearest Hundred

This lesson helps students review rounding to the nearest hundred. Your students will practice rounding using manipulatives.
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Learning Objectives

Students will be able to round a given number to the nearest hundred.

Introduction

(5 minutes)
  • Review rounding to the nearest ten at the beginning of this lesson.
  • Tell the students that today they are going to learn how to round a number to the nearest hundred.
  • Remind them that rounding is a way of estimating.
  • Explain that when rounding to the nearest hundred, the tens place is of particular importance.
  • Share the following rules with the students about rounding to the nearest hundred: If the digit in the tens place is between 0 and 4, round down to the nearest hundred. If the digit in the tens place is between 5 and 9, round up to the nearest hundred.
  • Let the students know that the rules stand, regardless of the size of the number involved.
  • Come up with a few numbers, such 274, 628, and 7,641, to model rounding to the nearest hundred.