Interactive
Curated OER

JFET amplifiers

For Students 9th - 11th
In this worksheet, students answer 15 questions as they build and analyze circuits.  Students may check answers if working online.
Worksheet
Curated OER

Summer and subtractor op amp circuits

For Students 7th - 12th
In this circuit activity students build their own circuit and complete several short answer questions on different amp circuits. 
Interactive
Curated OER

Millman's Theorem

For Students 9th - Higher Ed
In this electrical circuit lesson, students will answer 9 open ended questions to mathematically analyze circuits for current and voltage. This online worksheet provides diagrams for better understanding and reveals the answers.
Lesson Plan
Curated OER

Human Footprint

For Teachers 7th - 9th
Students study facts about humans and how they are impacting the Earth.  For this investigative lesson students help map peoples footprints over the Earth's surface and evaluate these factors. 
Lesson Plan
Curated OER

Deer Population

For Teachers 9th
Ninth graders study deer including their reproduction rate and management in Pennsylvania.  In this deer overpopulation lesson students estimate deer population and suggest management tools. 
Worksheet
Curated OER

Osmosis

For Students 9th - Higher Ed
In this biology activity, students determine how many solvent and solute molecules there are in the red blood cell and the IV fluid. Then they determine whether the IV fluid is hypertonic, hypotonic, or isotonic to the red blood cell.
Lesson Plan
Curated OER

Using Inequalities to Problem Solve

For Teachers 8th - 10th
Students explore inequalities. In this Algebra I lesson plan, students solve and graph linear inequalities involving addition, subtraction, multiplication, or division.  Students use inequalities to solve and graph real-world problems.
Lesson Plan
Curated OER

Read the Label

For Teachers 2nd - 6th
Students read the Nutrition Fact labels to make healthy choices. In this health lesson, students look at labels to identify fat content, protein, carbohydrates, and serving size. They play games with different labels such as Narrow It...
Lesson Plan
Curated OER

Examining Estimation

For Teachers 2nd
Second graders participate in various activities which help them explain and explain the difference between an estimate and an exact amount.
Lesson Plan
Curated OER

Dice Games - How to WIN!

For Teachers 6th - 8th
Students play game to practice numerical skills.
Lesson Plan
Curated OER

Race and Ethnicity in the United States

For Teachers 9th - 12th
Young scholars explore race and ethnicity as it is defined by the U. S. Census Bureau. They compare data from 1900, 1950, and 2000 and identify settlement patterns and changes in population. In groups, they map these changes and discuss...
Worksheet
Curated OER

Chemistry Midterm Topic Review

For Students 10th - 12th
In this chemistry review worksheet, students answer and solve 95 questions about chemical reactions, hydrocarbons, functional groups, moles, acids and bases and solutions.
Lesson Plan
Curated OER

Proving For The Crew

For Teachers 5th - 6th
Students write math questions that pertain to the Lewis and Clark Expedition.  In this math lesson, students utilize resources in the classroom to help write mathematical questions and answers that relate to the Lewis and Clark...
Worksheet
Curated OER

Financial News

For Students 7th - 12th
In this financial word problems worksheet, students solve word problems involving decimals, interest, multiplication, and more. Students complete 7 problems.
Lesson Planet Article
Curated OER

Take an Imaginary Shopping Trip With Your Students

For Teachers 1st - 7th
Take your students on an imaginary shopping trip to practice math and other skills.
Worksheet
Curated OER

Practice Exam #03

For Students 6th - 12th
For this math review worksheet, students complete problems including simplifying, rounding, decimals, fractions, and more. Students complete 19 problems.
Lesson Plan
Curated OER

Counting Money

For Teachers 2nd - 4th
Young scholars read, write, and identify different coin combinations and use this information in real-world situations.
Lesson Plan
Curated OER

Aruba Cloud Cover Measured by Satellite

For Teachers 6th - 9th
Students analyze cloud cover over Aruba. They compose and submit written conclusions which include data, analysis, errors in data collection, and references.
Activity
National Council of Teachers of Mathematics

The Math Forum: Finding 2.5 Percent of a Number

For Students 5th - 8th
This site provides shortcuts and hints on how to do more complicated percentages without a calculator. For others beside 2.5, scroll down the left column and click percentage of choice under "Percents."
Interactive
Mangahigh

Mangahigh: Number: Find Percents No Calculator

For Students 5th - 8th Standards
Explore percents and how to determine the percent of a number.
Interactive
Mangahigh

Mangahigh: Number: Find the Percent Change No Calculator

For Students 6th - 8th Standards
Test your knowledge of the percent of a number.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Percents 2

For Students 9th - 10th Standards
Twenty-eight problems present a variety of percent topics: percents as fractions, improper, and mixed numbers, percents as decimals, simple interest, and percent of increase/decrease. They are given with each step to the solution...
Interactive
Mangahigh

Mangahigh: Number: Find the Percent Change Calculator

For Students 9th - 10th
Test your knowledge of finding the perent of a number.
Activity
Shmoop University

Shmoop: Ratios & Percentages: Working With Percents

For Students 9th - 10th Standards
Students learn how to find a percent of a number. The mathematics resource consists of examples and practice problems with answers.