Are you having trouble with subtraction? How about three-digit subtraction? Does subtracting decimals confuse you? Do you wish someone could simply explain the properties of subtraction? Rebecca Wingard-Nelson steps in to help students tackle the many tasks of subtraction. Topics such as subtracting greater numbers, fact families, subtracting time, and regrouping are clearly explained. Whether you are learning this information for the first time—on your own or with a tutor—or you would like to review your math skills, this book will be a great choice.

Introduction

What Is Subtraction?

One-Digit Subtraction

Subtraction Terms

Addition and Subtraction

Subtraction and Zero

Subtraction Properties

Place Value

Two-Digit Subtraction

Regrouping Numbers

Two-Digit Regrouping

Three-Digit Subtraction

Three-Digit Regrouping

Greater Numbers

Regrouping Greater Numbers

Rounding to Estimate

Estimation vs. Exact Difference

Mental Subtraction

Subtracting Time

Subtraction Key Words

Word Problems

Further Reading

Internet Addresses

Index

October 2005...

The basics of addition and subtraction are presented in two-page explanations and demonstrations. Each book contains a detailed table of contents, a one-page index, and a table of subtraction and addition terms. Problems and examples are explained and profusely illustrated with pen-and-ink drawings. Unfortunately, there are no practice problems. These books would serve as quick references or beginning guides for teaching math, but it’s unlikely that children will pick them up.

Rebecca Wingard-Nelson has worked in public, private, and home-school mathematics education. She has been involved in various educational math projects, including developing and writing state assessment tests, exit exams, and proficiency tests, as well