Washington State University
Washington State University: Real Numbers
This site from Washington State University provides properties and rules of addition and multiplication that help with proofs.
NumberNut
Number Nut: Multiplying More Than Two Factors
Multiplying by more than one factor can be easy when you break the numbers down. Learn this problem solving strategy and others in this short lesson that demonstrates how to multiply with several factors. This lesson includes specific...
PBS
Pbs: Simplifying the Sum of Two Algebraic Expressions
Simplify expressions with rational numbers using the distributive property of multiplication. This student-generated video focuses on using the distributive property to create equivalent expressions when multiplying by negative numbers...
PBS
Pbs: Simplifying an Algebraic Expression
Simplify expressions with rational numbers using the distributive property of multiplication. This student-generated video focuses on using the distributive property to create equivalent expressions when multiplying by negative numbers...
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Decimals, Expressions, Operations
Twenty problems presented on the topics: working with expressions, using the distributive property, decimal place value and decimal operations. They are given with each step to the solution cleverly revealed one at a time. You can work...
NumberNut
Number Nut: Carrying Like Addition
Use what you already know about addition to master this skill in multiplication. This lesson reviews the concept of carrying in multiplication. Detailed examples are provided along with interactive games to practice the skills learned....
Better Lesson
Better Lesson: Checking Your Quotient
Making connections between multiplication, the distributive property, and division will help students learn to divide with ease.