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Lesson Plan
Curated OER

Subtracting Rational Expressions

For Teachers 8th - 10th
This worksheet contains 10 problems on subtracting rational expressions. It starts out with like denominators and progresses to more complicated problems. Answers are included. 
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Lesson Plan
Curated OER

Microbe Power - Using a Winogradsky Column as a Battery

For Teachers 7th - 8th
In this instructional activity the student demonstrate analysis of the changes taking place in the bottle as well as bdemonstrate application of the interactions happening in the bottle by applying these changes to the environment.y...
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Worksheet
Curated OER

Add and Subtract with Like Denominators

For Students 5th - 6th
In this addition and subtraction of fractions worksheet, students add and subtract fraction problems with like denominators. Students add or subtract 10 problems.
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Lesson Plan
Curated OER

Problem Solving With Fractions

For Teachers 6th
Sixth graders solve and analyze fractions. In this algebra lesson, 6th graders solve fractions using addition, subtraction, multiplication and division. They work in groups and do peer-review.
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Lesson Plan
Curated OER

Wave Equations

For Teachers Higher Ed
Students manipulate a model of a wave in order to solve the wave equation in 1 dimension. By using a model of a wave on a string the student is able to change the tension, length, and mass of the string as well as fix either end of the...
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Lesson Plan
Curated OER

Microbe Power- Using a Winogradsky Column as a Battery

For Teachers 9th - 12th
Students demonstrate the changes that take place when they complete their experiment.  In this battery lesson students complete a lab activity. 
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Lesson Plan
Curated OER

Linear Functions

For Teachers 9th - 10th
Students solve, identify and define linear equations. In this algebra lesson plan, students calculate the slope and y-intercept of a line. They graph the line given two points and the slope.
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Lesson Plan
Curated OER

Subtracting Fractions With Unlike Denominators

For Teachers 5th - 6th
In this math worksheet, students read the information and study the examples on the page to learn how to find the LCD and make equivalent fractions of the same denominator before subtracting. There are 4 problems with step by step...
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Lesson Plan
Curated OER

Simplifying Square Roots

For Teachers 9th - 12th
Discuss the definition for a simplified form for a square root. Middle schoolers analyze different forms of a square root, the Product Property of Square Roots, and complete a worksheet.
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Lesson Plan
Curated OER

Zeros and Blackbirds

For Teachers 5th
Fifth graders convert kilometers to miles and calculate the range that historical aircraft can travel. They choose destinations by distance that can be traveled without refueling.