Receive free math worksheets via email:

One of the basic rules of addition is that the order in which we add does not make a difference in the answer. If you add 6+7 and get 13, then you know that 7+6 also equals 13. This is called the commutative property of addition.

= free = members only

Basic Lesson
Shows the steps required to add the ones column properly.
Standard: MATH 1
View worksheet
Intermediate Lesson
Introduction to basic algebra with the use of reverse arithmetic.
Standard: MATH 1
View worksheet
Independent Practice 1
Contains 18 missing numbers addition problems. The answers can be found below.
Standard: MATH 1
View worksheet
Independent Practice 2
Contains 18 missing numbers addition problems. The answers can be found below.
Standard: MATH 1
View worksheet
Homework Worksheet
Contains 18 missing numbers addition problems. A complete example is provided.
Standard: MATH 1
View worksheet
10 missing number addition problems. A math scoring matrix is included.
Standard: MATH 1
View worksheet
Answers for the homework and quiz.
Answers for both lessons and both practice sheets.

Why Solving Puzzles Prepares You for the Real World
You may be thinking that you're just a kid and you like to solve math puzzles or play a complicated game like chess.
View Math Article
5 Easy Ways to Learn Addition
Addition is the foundation of arithmetic. Here are 5 fast tips for you.
View Math Article