The order of operations is the abbreviation "PEMDAS", which is turned into the phrase "Please Excuse My Dear Aunt Sally". It stands for "Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction".
"Learning Math for Kids: Order of Operations Basic" is an interactive book that children can learn and practice mixed addition, subtraction, multiplicatoin and division effectively.
How to use this book:
1. Open the book
2. Show children a page
3. Let children solve the first part of the question
4. Touch the first square to find out the number
5. Solve the second part of the question
6. Touch the second square to find out the answer
The design of this book helps children to focus on what they see (flashcard style) and allows them to practice the order of operations (PEMDAS). Download the sample book first and find out how it works.