The purpose of this task is to foster a classroom discussion that will highlight the difference between multiplicative and additive reasoning. Aligns with CCSS.Math.Content.4.OA.A.1 Interpret a multiplication equation as a comparison

In this task, students are asked to analyze a function and its inverse when the function is given as a table of values. In addition to finding values of the inverse function from the table, they also have to explain why the given...

This chart gives the definition of each Real Number Property with an example excellent for reference or review. Site by Oswego City School District.

Students can explore the inverse relationship of addition and subtraction in this interactive web lesson.

[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how to solve one-step equations. Students examine guided notes, review guided practice, watch instructional videos and attempt practice...

[Free Registration/Login Required] Students use the inverse of addition and multiplication to solve two-step equations. Click challenge me to answer a practice question and click learn more to watch a video.

How well do you know your number properties? Take this quiz and find out what you know or what you don't know. Immediate feedback. Check your answer right online.

This Purplemath lesson includes many different number properties explained by using examples.

What is the commutative property? Why not ask Lois. She knows all about math "lingo." A site where kids can find math definitions explained in "kid friendly" language.

[Free Registration/Login Required] This flipchart explores the concept of fact families for addition and subtraction as well as inverse operations. There are several pages of hands on activities to engage student learning.

This comprehensive study guide highlights the main terms and formulas needed to review number lines. Examples are included.

[Free Registration/Login may be required to access all resource tools.] Understand vector subtraction v - w as v + (-w), where -w is the additive inverse of w, with the same magnitude as w and pointing in the opposite direction....

This list of trigonometric identities includes the factoring formulas near the bottom. A great tool for reference.

This activity helps with understanding how to balance an algebraic equation. You input the term and the operation. The activity uses that term, operates on both sides of the equation, then displays the resulting equation.

Introduction to various algorithms for solving single-variable, linear equations.

The term "integer" was adapted in Mathematics from the Latin word "integer", which means intact or whole. Integers are very much like whole numbers, but they also include negative numbers. This article explains the properties of integers...

[Free Registration/Login may be required to access all resource tools.] The resource is a video showing students how to find a missing number in a multi-step addition and subtraction problem using inverse operations. Adaptive practice...

Here is a site that clearly and thoroughly explains many rules of algebra, such as the commutative property and the addition property of equality. There are example problems solved, problems for the student to attempt, and answers to the...

This Clark University trigonometry tutorial site features questions and answers about what students can learn from trigonometry.

A great opportunity for your students to practice their knowledge of the number properties with the card game. A quick way to help students learn.

Everything you need to know about fact families can be found here. Discover what fact families are and learn different strategies for using them. Links included to print your own fact family cards, create a fact family house, and play a...

A guide to support parents as they work with their students in rational numbers.

The basic identities and properties of addition and multiplication are listed. No explanation, simply the identities.

[Free Registration/Login Required] After a quick review of properties in Algebra- addition property of equality and multiplication property of equality- students are guided through all solutions using numerous strategies including back...