Subtraction is one of the basic operations in arithmetic. It means taking one number or amount away from another.
Subtraction is the opposite of addition.
Learn how to subtract a number from another by counting backwards. See how you can use the number line to help you with subtraction.
Use the concept of borrowing to subtract a number from another
SmartTest on Subtraction word problems
SmartTest on Subtraction
Lesson on Subtraction
Learnhive lesson on Subtraction