Lesson Plan
Curated OER

Algebra: Introduction to Algebraic Expressions

For Teachers 7th
Seventh graders, in an introductory algebra class, code and decode messages using substitution ciphers. Role-playing as mathematicians, they work in groups to decipher several messages, one of which translates to "math is awesome."
Worksheet
Curated OER

Worksheet 27

For Students 11th - Higher Ed
For this math worksheet, students use substitution to change into an external of one variable. They also use the method of Lagrange multipliers.
Lesson Plan
Curated OER

Quadratics: Polynomial Form

For Teachers 9th - 12th
Students determine how to use the polynomial form of a quadratic equation to find the location of the vertex on a graph. They determine how changes in the coefficients in a quadratic function affect its vertex on a graph. Students find...
Worksheet
Curated OER

Graphing Linear Equations

For Students 10th - Higher Ed
In this math activity, students practice solving systems of linear equations using the elimination and substitution methods. They also graph the solutions.
Worksheet
Curated OER

Solving Fraction Equations Reteach 5.10

For Students 4th - 6th
For this using inverse operations to solve fraction equations worksheet, students review the steps and examples, solve the problem, and use substitution to check their answer. Students solve one problem.
Worksheet
Curated OER

The Cat Count

For Students 9th - 12th
In this secondary mathematics worksheet, students solve a riddle which involves the number of cats in Winchester.  The solution requires three unknowns with repeated substitution.  The one page worksheet contains one problem...
Worksheet
Curated OER

Using Systems of Equations

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

Mr. Payne Word Search Puzzle

For Students 5th - 6th
In this language arts worksheet, students study 10 words in a word bank, then locate them in a word search puzzle. The words appear to be related to algebra; the meaning of the title is not known. There is one misspelled word in the word...
Lesson Plan
Curated OER

Applications with Motion: Extra Practice 33

For Teachers 8th - 10th
In this math worksheet, students solve seven problems using the formula for speed, distance, and time. Students use a table to elicit the system of equations, and solve them using either combining techniques or substitution.
Worksheet
Curated OER

Numeral Analysis: Introduction To Fixed Point Iteration

For Students Higher Ed
For this fixed point iteration worksheet, students use given theorems to determine converged functional iteration. This six-page worksheet contains five problems. Explanations and examples are provided.
Worksheet
Curated OER

Polynomial Word Problems

For Students 9th - 10th
In 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.
Worksheet
Curated OER

Rational Numbers

For Students 9th
In this rational numbers worksheet, 9th graders solve and complete 12 different problems that include multiplying various rational expressions. First, they find the product of two or more numbers, grouping in pairs. Then, students...
Worksheet
Curated OER

Worksheet 2 - Spring 1996

For Students 11th - Higher Ed
In this math worksheet, students state the two fundamental laws of Calculus. Then they investigate finding the area of a rock in cross-sectional pieces.
Worksheet
Curated OER

Numerical Analysis: Solving Systems Of Non-Linear Equations

For Students Higher Ed
In this numerical analysis worksheet, students solve systems of non-linear equations. Examples and explanation are provided. This two-page worksheet contains approximately three problems.
Worksheet
Curated OER

Linear Systems: Elimination

For Students Higher Ed
In this elimination worksheet, students use the elimination process to transform a system into an equivalent form. This three-page worksheet contains three practice problems as well as examples and explanations.
Worksheet
Curated OER

Understanding Limits

For Students Higher Ed
In this understanding limits, students determine the convergence of given sequences. They use properties of limits to evaluate functions. This two-page worksheet contains examples and explanations, as well as eleven problems.
Lesson Plan
Curated OER

Linear Systems and Echelon Forms

For Teachers 11th
Eleventh graders define various types of linear systems and three types of solutions. In this linear system and echelon forms lesson, 11th graders solve a linear system using elementary row operations. Students also describe the set of...
Lesson Plan
Curated OER

Real World Systems of Linear Equations

For Teachers 7th - 10th
Learners solve systems of equations with fluency. In this algebra lesson, students graph, use elimination and substitution to solve systems of equations. They identify the point of intersection using algebra.
Worksheet
Curated OER

Numerical Analysis: Systems of Linear Equations

For Students Higher Ed
In this linear equation activity, students use the iterative method to solve systems of equations. Explanations and examples are provided. This four-page activity contains approximately three problems.
Worksheet
Curated OER

Linear Systems: Identifying Pivots and Multipliers

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

Linear Systems: Identifying Pivots and Multipliers

For Students Higher Ed
In this pivot worksheet, students explore the elimination process, and write a matrix in upper triangular form. They identify equivalent systems. This four-page worksheet contains examples, explanations, and approximately ten problems.
Worksheet
Curated OER

Six Evaluating Algebraic Expressions Practice for the Math Regents Exam

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

Systems of Equations

For Students 7th - 10th
In this algebra worksheet, students factor systems of equations using elimination and substitution. THey graph their lines and find the point of intersection. There are 15 questions.