Worksheet
Curated OER

Natural Logarithms

For Students 11th
In this Algebra II worksheet, 11th graders solve equations involving natural logarithms.  The two page worksheet contains explanation, worked examples, and four practice problems.  Answers are not included. 
Interactive
Curated OER

2-Step Equations

For Students 9th - 12th
In this online math worksheet, students solve for "x" by completing simple two-step equations. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching...
Worksheet
Curated OER

A Little Thermo Review

For Students 10th - Higher Ed
In this thermodynamics worksheet, students define and give examples of state functions. Students review the laws of thermodynamics. Student determine the standard formation reactions for given chemical species. This worksheet has 10...
Lesson Plan
Curated OER

Lab Report Template

For Teachers 3rd - 5th
Young scholars write a paragraph (complete sentences) which explains what they did in the lab.
Interactive
Curated OER

Example and Steps to Solving Linear Systems Using Substitution

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

Solving Equations By Systematic Trial

For Teachers 10th - 11th
Studentss solve equations using guess and check. In this algebra lesson, students solve linear equation using the systematic trial. They isolate and identify the missing variable using non tranditonal methods.
Lesson Plan
Curated OER

Determination of Phylogenetic Relationships Using Restriction Analysis

For Teachers 9th - 10th
Students applied various mathematical analyses to interpret their data. By using the resulting DNA fragment patterns from several enzymes students established a possible evolutionary relationship among the mice.
Lesson Plan
Curated OER

Bird Populations

For Teachers 9th - 12th
Young scholars gather data about bird populations. They study bird migratory patterns using the methods that researchers use. They write an essay explaining the differences between the four types of population movements.
Lesson Plan
Curated OER

Matrix Multiplication

For Teachers 11th
For this Algebra II worksheet, 11th graders investigate matrix multiplication. The two page worksheet includes instructions and examples and two problems. Solutions are included.   
Lesson Plan
Curated OER

Soil Organisms

For Teachers 9th - 10th
Students work together to collect soil samples from different locations. In the samples, they identify the macroorganisms and classify them. They identify the conditions that affect how macroorganisms grow. They also analyze and identify...
Lesson Plan
Curated OER

Bird Populations

For Teachers 7th - 12th
students study bird migratory patterns and the methods that researchers use to study them. Students are introduced to the concepts of the study of bird movements.The skill of scientific questioning is used to find results.
Lesson Plan
Curated OER

iDNAvestigation Exploration

For Teachers 10th - 12th
Students investigate DNA Fingerprinting techniques and applications. They participate in a scenario to analyze blood to discover who shattered a plexiglass backboards. In addition, they explain why the DNA fingerprint of blood from the...
Worksheet
Curated OER

Substitution and Elimination

For Students 9th - 12th
In this substitution and elimination worksheet, students complete short answer problems for substitution and elimination and read notes about them as well. Students complete 13 problems.
Worksheet
Curated OER

Solving Rational Equations

For Students 8th - 11th Standards
In this algebra worksheet, learners solve rational equations including two application problems. This worksheet contains explanations to aid in understanding. 
Lesson Plan
Curated OER

One-Step Linear Equations

For Teachers 6th
Sixth graders explore linear equations. In this linear equations lesson, 6th graders explore visual examples of 1-step linear equations. Students also practice solving problems that their instructors model.
Worksheet
Curated OER

Reteach: Solve Multiplication Equations

For Students 2nd - 3rd
In this multiplication instructional activity, students use inverse operations to solve for n in a set of 4 equations. A reference web site is given for additional activities.
Worksheet
Curated OER

Solve Four Systems of Equations Using Inverse Matrices

For Students 11th - Higher Ed
In this inverse matrices worksheet, students solve four systems of equations using inverse matrices.  Examples and explanations are provided.
Lesson Plan
Curated OER

Doing Battle With Radical Equations

For Teachers 9th - 12th
Students observe and solve examples of equations involving radicals. They complete a Doing Battle With Radical Equations worksheet and checklist.
Lesson Plan
Curated OER

Solving One Step Equations Using Algebra Tiles

For Teachers 8th - 10th
Students solve linear equations. In this algebra lesson, students solve equations using addition, subtraction, division and multiplication. They evaluate and simplify functions.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Equations With Variables on Both Sides

For Students 8th - 9th Standards
[Free Registration/Login may be required to access all resource tools.] Learn how to solve equations with the variable on both sides.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Multi Step Equations

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Solve equations that involve more than two steps to isolate the variable.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Multi Step Inequalities

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] In this lesson students solve inequalities that involve more than one step to isolate the variable and graph the solution. Students examine guided notes, review...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Two Step Equations and Properties of Equality

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Solve two-step equations for the missing variable
Lesson Plan
National Association of Geoscience Teachers

Nagt: Variable Rivers

For Teachers 9th - 10th
For this lesson young scholars will be introduced to rivers and river processes. They will test an isolated variable in rivers and they will test either the amount of water, velocity of water, or steepness of the river bed to determine...