Addition and Subtraction Learn the basics of addition and subtraction. You'll learn how to add and subtract small and large numbers. Basic Addition 1 Introduction to Addition What is Addition? Writing Expressions Solving Problems Practice! 2 Adding Two- and Three-Digit Numbers Adding Larger Numbers Solving Stacked Addition Problems Using Carrying Practice! Addition Basic Subtraction 3 Introduction to Subtraction What is Subtraction? Writing Expressions Solving Problems Practice! 4 Subtracting Two- and Three-Digit Numbers Subtracting Larger Numbers Solving Stacked Subtraction Problems Borrowing Checking Your Work Practice! Subtraction Basic Addition Addition 02:414,904 views Learn the basics of addition. Basic Subtraction Subtraction 03:012,502 views Learn the basics of subtraction. Learn More Money Basics Money Multiplication and Division