Lesson Plan: Estimating Decimals Sums Mathematics • 5th Grade
This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to estimate the sum of two decimal numbers by rounding or using compatible numbers.
Objectives
Students will be able to
- estimate the sum of two decimal numbers by rounding to the nearest whole number, ten, or hundred,
- estimate the sum of two decimal numbers by rounding to compatible numbers.
Prerequisites
Students should already be familiar with
- rounding a decimal number to the nearest whole number.
Exclusions
Students will not cover
- estimating the sum of decimal numbers with more than four decimal places.