# Lesson Guide in Elementary Mathematics Grade 6: Rational Numbers: Addition and Subtraction of Decimals

Teacher's Guide  |  Textbook  |  PDF

Published on 2011 September 28th

Description
A part of Lesson Guide in Elementary Mathematics intended for Grade 6 that focuses on rational numbers dealing on addition and subtraction of decimals.
Objective
To develop in students the ability to:
1. Estimate sums and differences of whole numbers and decimals.
2. Add and subtract whole numbers and decimals.
3. Write the numbers I column correctly with the decimal point aligned.
4. Add and subtract decimals through ten thousandths without and with regrouping.
5. Apply the different properties of addition and subtraction to compute the sum and difference mentally.
6. Solve 2- to 3- step word problems involving addition and subtraction of decimals.

#### Curriculum Information

 Education Type K to 12 Grade Level Grade 7 Learning Area Mathematics Content/Topic Numbers and Number Sense Intended Users Educators Competencies