Assessment
Inside Mathematics

Number Towers

For Teachers 9th - 12th Standards
Number towers use addition or multiplication to ensure each level is equal. While this is common in factoring, it is often not used with algebraic equations. Solving these six questions relies on problem solving skills and being able to...
Worksheet
Curated OER

Linear Systems: Graphical Interpretation of Vectors

For Students 11th - Higher Ed
In this graphical interpretation of vectors learning exercise, students execute operations of addition and multiplication by a scalar. They sketch results and determine the commutativity of vector addition. This three-page learning...
Worksheet
Curated OER

Solving Linear Systems Using Matrices

For Students 9th - 12th Standards
Start with the definition of a determinant and how to evaluate a 2x2 determinant. Apply this skill to solve systems of two equations with two unknowns by using Cramer's rule. These four basic problems would be good for a quick review or...
Lab Resource
Pingry School

Kinetics of the Acid Decomposition of Thiosulfate

For Students 9th - 12th
Several factors affect the rate of a chemical reaction including temperature, surface area, and concentration. Using an experimental approach, learners explore the effect concentration has on this rate while maintaining consistency with...
Worksheet
Curated OER

Equations of Lines Perpendicular and Parallel

For Students 9th - 11th
In this algebra activity, students solve linear equations using one and two steps. They solve systems of equations using substitution and elimination with graphing. There are links for ready made tests and quizzes.
Worksheet
Curated OER

Linear Systems: Graphical Interpretation of Vectors and Linear Systems

For Students Higher Ed
In this interpretation of vectors and linear systems worksheet, students describe the geometric appearance of two vectors. They add the two vectors and sketch the sum as well as the vectors to determine the commutativity of vector...
Worksheet
Curated OER

Solving Linear Systems by Substitution

For Students 8th - 11th Standards
Practice solving two equations with two unknowns. Here are five problems for using the substitution method. Included are clear, concise step-by-step instructions for the learner to follow. Problems start out easy and gradually get...
Lesson Plan
Curated OER

Word Problems

For Teachers 9th - 11th
In this algebra lesson plan, students rewrite word problems dealing with systems of equations into algebraic equations and solve for the unknown. There are two word problems on this worksheet.
Worksheet
Curated OER

Chemical Equations

For Students Higher Ed
In this chemical equations instructional activity, students write mass balance equations and charge balance equations. Students write the system of equations to solve for solution concentrations at equilibrium. This instructional...
Worksheet
Noyce Foundation

Time to Get Clean

For Students 3rd - 5th Standards
It's assessment time! Determine your young mathematicians' understanding of elapsed time with this brief, five-question quiz.
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.
Lesson Plan
Ohio Department of Education

The Solution is Complex

For Teachers 9th - 12th Standards
Consider complex numbers, roots, and quadratic equations. Use the discriminate as a way to determine the nature of a quadratic's roots. Then discuss the similarities and differences between quadratics with two, one, or no real roots....
Worksheet
Curated OER

Topic 4.7 - Using Augmented Matrices

For Students 7th - 9th
In this algebra worksheet, students solve each of the systems of equations using an augmented matrix. There are 8 problems to solve.
Worksheet
Curated OER

Chapter 3.3 - Cramer's Rule

For Students 8th - 10th
In this Cramer's rule worksheet, students solve 4 problems in which they find the determinant. They then solve 8 more problems in which they use Cramer's Rule to solve each system of equations.
Worksheet
Curated OER

How Much Does Sibyl Dibble Get Paid Per Hour?

For Students 8th - 11th
In this problem solving word problems, students determine how much a person makes per hour.  The solution is provided.  Students can solve this problem in several ways.
Worksheet
Curated OER

Solving Equations and Formulas

For Students 8th - 10th Standards
Learners rearrange equations and formulas to solve for a specified variable. Includes multi-step equations with a variety of different variables and a few real-world applications. Great for use as a study guide when presenting the...
Worksheet
1
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Curated OER

Quick Graphs of Linear Equations

For Students 9th - 12th Standards
Graph equations of lines using the slope-intercept method or by plotting both x and y intercepts. Determine if two lines are parallel or perpendicular by comparing their slopes. This handout includes step-by-step directions and four...
Interactive
Curated OER

Example and Steps to Solving Linear Systems Using Substitution

For Students 8th - 11th
In this linear equation instructional activity, students solve five systems of linear equations using the substitution method.  Three examples with steps to solve are provided.
Worksheet
Curated OER

Math Applications 1

For Students Higher Ed
In this systems of equations activity, students solve 5 different word problems that include writing an equations and solving it by applying a system of equations. First, they write an equation that when solved will give the required...
Handout
University of California

Student Workbook: Algebra I

For Students 8th - 11th Standards
Need a helping hand in Algebra I? How about a giant, super-sized worksheet packet? Here is a resource that has worksheets for virtually every concept with some accompanying examples. 
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.
Activity
Noyce Foundation

Digging Dinosaurs

For Students K - 12th Standards
Build a function to solve problems rooted in archeology. A comprehensive set of five lessons presents problems requiring individuals to use functions. The initial lesson asks learners to find the possible number of dinosaurs from a...
Lesson Plan
Curated OER

Long Distance Phone Plans

For Teachers 7th - 9th
In this long distance phone plane worksheet, students compare various phone plans and determine which long distance plan has the greatest savings. Students support their answers visually through the use of tables and graphs. They write...
Worksheet
Curated OER

The Simultaneous Equations Problem

For Students 9th - 11th
In this algebra worksheet, students solve word problems using algebra. They solve  a simultaneous equation for an x and y value. There is an answer key with this problem.