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PPT
Curated OER

Properties of Equality

For Teachers 8th - 10th
What assumptions are made in order to solve equations? An instructional slideshow provides an overview and guided examples of how properties of equality can be used to justify each step in solving equations.
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Worksheet
Curated OER

Identity, Inverse, and Equality Properties

For Students 9th
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...
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Worksheet
Curated OER

Properties of Real Numbers

For Students 9th
In this properties of real numbers worksheet, 9th graders solve and complete 30 different problems that include identifying and using various types of properties. First, they define each property by stating an example for each one...
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Instructional Video22:15
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Flipped Math

Intro to Proofs

For Students 9th - 12th Standards
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...
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Worksheet
Curated OER

Identity and Equality Properties

For Students 9th
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...
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Worksheet
Curated OER

Identity and Equality Properties

For Students 8th - 9th
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...
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Worksheet
Curated OER

Using Proof in Algebra

For Students 10th
In this using proofs in algebra activity, 10th graders solve 2 proofs by applying the many rules from algebra for the Properties of Equality for real numbers. They name the property that justifies each statement as seen in the...
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Lesson Plan
EngageNY

Unknown Angle Proofs—Writing Proofs

For Teachers 9th - 10th Standards
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.
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Lesson Plan
Curated OER

Identity and Equality Properties: Pages 37-43

For Teachers 9th - 10th
In this math worksheet, students use a list of mathematical properties in order to justify their evaluations. Students name multiplicative inverses and properties illustrated in 13 numbers and statements.
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Lesson Plan
Virginia Department of Education

A Mystery to Solve

For Teachers 8th - 10th Standards
Investigate field properties of real numbers. Scholars use a table for a given operation to determine the identity element. They use the same table to find a missing value in an equation.
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Interactive
Curated OER

Identity and Equality Properties

For Students 9th
In this Algebra I worksheet, 9th graders identify the property illustrated in the given statement.  The one page interactive worksheet contains a combination of ten multiple choice and free response questions and is self checking.
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Worksheet
Curated OER

Algebra 1 Properties

For Students 8th - 9th
In this Algebra 1 properties worksheet, students match the name of the property with the expression for 14 properties used to evaluate and simplify algebraic expression.
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Worksheet
Curated OER

Proof that One Equals Zero and Zero Equals Two

For Students 11th
In this algebra worksheet, 11th graders complete proofs that show why properties are true. There are 2 proofs given with 8 required steps.
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Lesson Plan
Curated OER

Identity and Equality Properties

For Teachers 7th - 8th
In this math worksheet, students solve five problems, identifying each property as it is used. They identify the used property in 9 problems.
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Interactive
Curated OER

Using Properties Multiple Choice

For Students 9th - 10th
In this geometry worksheet, students identify the different properties to represent a given statement. They use proof to show how they arrived at their answer. There are 5 questions with an answer key.
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Lesson Plan
EngageNY

Review of the Assumptions (part 2)

For Students 9th - 10th Standards
Is the amount of information getting overwhelming for your geometry classes? Use this strategy as a way to organize information. The resource provides a handout of information studied in relation to triangle congruence. It includes a...
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Lesson Plan
EngageNY

Triangle Congruency Proofs (part 1)

For Teachers 9th - 10th Standards
Can they put it all together? Ninth graders apply what they know about proofs and triangle congruence to complete these proofs. These proofs go beyond the basic triangle congruence proofs and use various properties, theorems, and...
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Lesson Plan
EngageNY

Triangle Congruency Proofs (part 2)

For Teachers 9th - 10th Standards
Looking to challenge your students that have mastered basic triangle congruence proofs? A collection of proofs employ previously learned definitions, theorems, and properties. Pupils draw on their past experiences with proofs to...
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Worksheet
Curated OER

Solving Equations

For Students 11th
In this Algebra II activity, 11th graders use the properties of equality to solve multi-step equations in one variable.  The tow page activity contains explanation, guided examples, and fifteen practice problems.  Answers are not included. 
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Worksheet
Curated OER

Expressions

For Students 8th - 9th
For this expressions worksheet, students solve and complete 16 different problems related to various expressions. First, they define each of the listed terms and know each given property. Then, students state the order of operations and...
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Handout
Lockport City School District

Reasons for Geometric Statement/Reason Proofs

For Students 8th - 11th Standards
Stuck trying to remember the formal language of a geometric proof? Never fear, this handout has them all ready to go. The reasons are sectioned by topic so this handy guide is ready when you are to tackle those two column proofs. 
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Lesson Plan
EngageNY

Congruence Criteria for Triangles—AAS and HL

For Students 9th - 10th Standards
How can you prove it? Guide classes through an exploration of two possible triangle congruence criteria: AAS and HL. Learners connect this criteria to those previous learned and also explore criteria that does not work. The lesson...
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Worksheet
Curated OER

Solving Linear Equations

For Students 9th - 12th Standards
Use this worksheet for practice or review solving linear equations in one variable. Problems range from multiple-step problems involving parentheses and combining like terms, to word problems, to equations with no solution or infinitely...
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Worksheet
Curated OER

Geometry Standardized Test Practice

For Students 10th
In this angles and figures review worksheet, 10th graders solve and complete 39 different multiple choice problems. First, they find the length of a line between two given points. Then, students name the type of transformation and the...