Flipped Math
Intro to Proofs
Prove the best way to keep up in Geometry. Scholars first review algebraic properties from Algebra. Learners then use the properties to create two-column proofs to solve linear equations before completing algebraic proofs by providing...
EngageNY
Similarity
Learn similarity through a transformations lens! Individuals examine the effects of transformations and analyze the properties of similarity, and conclude that any image that can be created through transformations is similar. The...
EngageNY
Unknown Angle Proofs—Writing Proofs
What do Sherlock Holmes and geometry have in common? Why, it is a matter of deductive reasoning as the class learns how to justify each step of a problem. Pupils then present a known fact to ensure that their decision is correct.
Curated OER
Identity, Inverse, and Equality Properties
In this properties worksheet, 9th graders solve and complete 29 various types of problems that include identifying various types of properties. First, they give an example of each property named. Then, students name the property...
Curated OER
Identity and Equality Properties
In this identify and equality properties worksheet, 9th graders solve and complete 14 different problems. First, they solve each equation for the given variable. Then, students name the property or properties illustrated by each...
Curated OER
Identity and Equality Properties
In this identity and equality properties instructional activity, students solve and complete 20 various types of problems. First, they name the property illustrated by each statement. Then, students evaluate each expression and name the...
Purple Math
Purplemath: Basic Number Properties: Associative, Commutative, and Distributive
This Purplemath lesson includes many different number properties explained by using examples.
Sophia Learning
Sophia: Reflexive Property of Congruence and Equality: Lesson 6
This lesson will introduce the reflexive property of congruence, and the reflexive property of equality. It is 6 of 6 in the series titled "Reflexive Property of Congruence and Equality."
Help Algebra
Help algebra.com: Properties of Real Numbers
Both additive and multiplicative properties of real numbers are presented on this page. An example demonstrates the distributive property.
Other
Equivalence Relation of Equality
Each of the three equivalence relations of equality are given. The site exemplifies the equivalence relationship of equality as well as others. The site then turns to a more complicated explanation involving partitioning and generating...