# Chapter 2: Using Decimals

Difficulty Level:

**At Grade**Created by: CK-12Chapter Outline

- 2.1.
## Decimal Comparisons without Rounding

- 2.2.
## Decimal Rounding Given Place Value

- 2.3.
## Decimal Comparisons with Rounding

- 2.4.
## Decimal Addition

- 2.5.
## Decimal Addition Using Front-End Estimation

- 2.6.
## Commutative Property of Addition with Decimals

- 2.7.
## Decimal Subtraction

- 2.8.
## Decimal Subtraction Using Front-End Estimation

- 2.9.
## Inverse Property of Addition in Decimal Equations

- 2.10.
## Decimal Multiplication

- 2.11.
## Estimation to Check Decimal Multiplication

- 2.12.
## Commutative Property of Multiplication with Decimals

- 2.13.
## Decimal Division

- 2.14.
## Estimation to Check Decimal Division

- 2.15.
## Division to Solve Decimal Equations

- 2.16.
## Scientific Notation

- 2.17.
## Comparison of Numbers in Scientific Notation

- 2.18.
## Operations with Numbers in Scientific Notation

- 2.19.
## Metric System

- 2.20.
## Appropriate Tools for Metric Measurement

- 2.21.
## Conversions of Length, Mass, Capacity in Metric Units

- 2.22.
## Comparison of Metric Measurements

- 2.23.
## Estimation of Conversion to Metric Units

### Chapter Summary

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Description

This chapter covers: comparing and ordering decimals, decimal operations, rounding decimals, commutative and associative properties of addition and multiplication, the inverse property, scientific notation, metric system of measurement, converting and comparing metric units of measurement, and equivalence between customary and metric units of measurement.

Difficulty Level:

At Grade
Subjects:

Grades:

Date Created:

Aug 16, 2013
Last Modified:

Apr 30, 2016
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