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Lesson Plan
Curated OER

Identity and Equality Properties: Pages 37-43

For Teachers 9th - 10th
In this math worksheet, learners 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
Curated OER

Representing the Unknown

For Teachers 6th - 8th
Student use mental math to solve linear equations. For this algebra lesson, students solve one and two steps equations. They write expressions using variables to identify the unknown.
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Worksheet
Curated OER

Polynomial Word Problems

For Students 9th - 10th
For this polynomial word problem worksheet, students read story problems, write a system of equations, and solve using substitution. This one-page worksheet contains ten problems.
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Worksheet
Curated OER

Factoring Trinomials

For Students 10th - 12th
In this factoring worksheet, students factor given trinomials. They examine the expression and use the substitution method to factor the problem. This one-page worksheet contains ten problems.
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Lesson Plan
Curated OER

Identities and Trigonometric Values

For Teachers 9th - 11th
Students solve trigonometric equations. In this precalculus lesson plan, students prove trigonometric identities using the Pythagorean Theorem. They apply the addition formulas for sine and cosine to prove different identities.
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Lesson Plan
Curated OER

Elimination with Multiplication

For Teachers 10th - 11th
Students solve equations using linear combination. In this algebra lesson, students solve a system by checking if a given pair of coordinates are solution to the system. They solve the system using elimination, and algebraic...
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Lesson Plan
Curated OER

Practice solving systems of equations

For Teachers 11th
Eleventh graders solve systems of equation. For this algebra lesson, 11th graders find the point of intersection of two lines if there is any, using algebra and graphing. They use substitution and linear combination to find the solution...
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Worksheet
Curated OER

Formulae

For Students 8th - 10th
In this algebra worksheet, students evaluate expressions by substitution. They replace variables with values and multiply, add or subtract to solve the problems. There are 19 questions with an answer key.
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Lesson Plan
Curated OER

Practice with Systems of Equations

For Teachers 9th - 10th
Students solve systems of inequalities. In this algebra lesson plan, students solve a system of equation, using substitution, linear combinations and graphing. They identify the number of solution each system produce as infinitely many,...
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Lesson Plan
Curated OER

Solving Multistep Inequalities

For Teachers 9th - 11th
Students solve inequalities using more than two steps. In this algebra instructional activity, students solve inequalities using addition, substitution, multiplication and division. When dividing or multiplying by a negative number, you...
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Lesson Plan
Curated OER

Combining Like Terms

For Teachers 9th - 11th
Students define terminology used in simplifying equations. In this algebra lesson, students combine like terms to solve an equation. They use substitution, division, addition and subtractions to help simplify the equation. They multiply...
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Lesson Plan
Curated OER

Systems of Equations

For Teachers 9th - 10th
Young scholars solve inequalities and systems of equations. In this algebra lesson, students use substitution and elimination as they solve algebraic systems. They use graphing and a table to support their solutions.
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Worksheet
Curated OER

Reteach: Solving Decimal Equations

For Students 5th - 6th
In this decimal equations learning exercise, students review the process to solving decimal equations, then use inverse operations to solve 4 problems, checking with substitutions.
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Lesson Plan
Curated OER

Linear Systems

For Teachers 7th - 9th
Students solve and graph linear equations. In this algebra lesson, students solve systems of equations using elimination and substitution. They graph their answer and identify the point of intersection.
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Lesson Plan
Curated OER

Systems of Equations

For Teachers 9th - 10th
Students solve systems of equations. In this algebra lesson, students use elimination and substitution to solve for the point of intersection. They use graphing to see where the two lines intersect.
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Lesson Plan
Curated OER

Equations and Systems of Equations

For Teachers 7th - 8th
Learners practice using algebra to be applied to real world situational problems. The key concepts of translation of language to algebraic expressions is covered. They also look in depth at relationships between different quantities.
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Lesson Plan
Curated OER

Computing with Mathematical Formulas

For Teachers 9th - 12th Standards
Students solve problems using formulas. In this algebra activity, students evaluate numbers using substitution. They graph their answers using a TI and discuss the outcome.
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Worksheet
Curated OER

Six Evaluating Algebraic Expressions Practice for the Math Regents Exam

For Students 8th - 10th
In this substitution activity, students evaluate six algebraic expressions.  These six problems are practice for  the math regents exam and the solutions are provided.
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Lesson Plan
Curated OER

A Point of Intersection

For Teachers 6th - 8th
Students factor and solve systems of equation. In this algebra lesson, students identify the point of intersection using substitution, elimination and graphing. They write an equation given a system and a graph.
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Lesson Plan
Curated OER

Rotational Equilibrim: A Question of Balance

For Teachers 7th - 12th
Students explore the concepts of rotational equilibrium. They examine the history Alexander Calder and his mobiles. Students solve simple algebraic equations. They predict, draw conclusions, graph equations and examine the rotational...
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Lesson Plan
Curated OER

Graphing Linear Equations Using the Table Method

For Teachers 9th - 10th
Learners graph linear equations using a table. In this algebra lesson, students create a table of values using the linear equation to find the y-values. They plot their point on a coordinate plane and graph the line.
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Worksheet
Curated OER

Systems of Two Equations

For Students 7th - 8th
In this systems of equations instructional activity, students solve and complete 23 various types of problems. First, they solve each system of equations by  graphing on the grids provided. Then, students solve each system by...
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Worksheet
Curated OER

Using Systems of Equations

For Students 8th - 10th
In this algebra instructional activity, students solve systems of equations. They use substitution, elimination and graphing to solve. There are 33 questions with an answer key.
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Worksheet
Curated OER

Linear Systems: Identifying Pivots and Multipliers

For Students 11th - Higher Ed
In this identifying pivots worksheet, students use algebra to find equivalent systems of equations. This four-page worksheet contains examples, explanations and approximately ten problems.