Lesson Plan
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Determining the Age of Fossils

For Teachers 9th - 12th
Students examine the concept of radioactive dating. In this radioactive dating lesson, students investigate how to determine the ages of fossils and rocks as they learn about half-life radioactive decay.
Lesson Plan
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The Statistics of M&Ms

For Teachers 1st - 12th
Students explore the topic of statistics with M and Ms. In this math lesson plan, students use candy pieces to sort and gather information needed to create a bar graph. This lesson can be adapted to accommodate students in grades 1-12.
Worksheet
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Price Elasticity of Demand

For Students 11th - 12th
In this economics worksheet, students respond to 15 fill and the blank and multiple choice questions about price elasticity of demand.
Lesson Plan
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Not Everything is More Expensive

For Teachers 4th - 5th
Students compare prices and determine percent increases and decreases of items in order to make wise purchases. For this percent increases and decreases lesson plan, students calculate the amounts based on grocery store ads.
Lesson Plan
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Worksheet 2-2 Stoichiometric Tools

For Teachers 10th - 12th
In this stoichiometry worksheet, students solve a variety of problems including finding empirical and molecular formulas, determining molarities of solutions, determining molecular weights of compounds and calculating the percent mass of...
Lesson Plan
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The Pony Express

For Teachers 4th - 7th
Students plot the route of the Pony Express. They discover the kinds of terrain it crossed. They calculate the number of legs needed to cover the distance of its total route.
Worksheet
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What Can We Measure About Chemicals?

For Students 9th - 12th
For this measuring chemicals worksheet, high schoolers investigate measurements of an aluminum slab including the length, width, height, mass, volume and density. They do the same for a piece of aluminum foil and they compare their...
Worksheet
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Pennsylvania facts by the numbers

For Students 5th - 8th
In this Pennsylvania facts worksheet, students research Pennsylvania history and trivia and answer questions where they calculate the answers about Pennsylvania. Students complete 10 questions.
Worksheet
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Leveled Problem Solving: Circle Graphs

For Students 6th - 9th
In this circle graphs worksheet, students solve 6 word problems based on a circle graph about the most popular classes for sixth graders. Students calculate angle measures of circles for 2 of the problems.
Lesson Plan
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Infusing Equity in the Classroom by Gender

For Teachers 10th - 11th
Learners investigate the idea of gender descrimination in the classroom. In this algebra lesson, students collect data in stereotyping, and gender bias in the classroom, school materials and activities. They graph and analyze their...
Lesson Plan
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How Has Math Evolved?

For Teachers 8th
Eighth graders pick a topic or person to research related to the history of mathematics. They brainstorm and create a concept map, using the multimedia software inspiration, about what they are researching and want to examine. They then...
Worksheet
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Percent Applications

For Students 4th - 6th
In this percent applications worksheet, students complete a total of 10 problems that involve calculating percentages. A reference web site is given.
Lesson Plan
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Properties of Fractals

For Teachers 6th - 8th
Students build a working definition of a regular fractal, they measure the concepts of dimensions and scale, they explore the concept of a logarithm and they attempt to solve simple exponential equations for the exponent both by trial...
Lesson Plan
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Groundwater Basics

For Teachers 9th - Higher Ed
Groundwater is an essential natural resource, not to mention a fascinating topic to study. Here is a series of twelve amazing lessons on the water source and how we use it in our daily lives. Concepts require higher math and physics...
Worksheet
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Atomic Mass of Candium

For Students 8th - 10th
By focusing on "Candium", pupils can work through this guide to learn more about different isotopes.  The teacher will supply M&M's, Skittles and Reeses Pieces to provide data about mass and abundance.
Lesson Plan
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Percent in Business

For Teachers 5th - 8th
In this percentages worksheet, students solve word problems that include percentages in business. Students complete 14 word problems.
Worksheet
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Why Does the Rule of 72 Work

For Students 10th - 11th
In this algebra worksheet, students solve a word problem by rewriting it using algebraic symbols. They calculate the interest compounded over a period of time using the Interest Formula. This worksheet includes 1 problem and an answer key.
Lesson Plan
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Let's Take a Trip!

For Teachers 6th
Sixth graders plan trip for family of four, and choose best travel plan by studying maps, considering different routes, and visiting Web sites to get airline and travel schedules.
Lesson Plan
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Percentages: Converting Fractions and Decimals to Percents

For Teachers 4th - 6th
Students calculate percentages. In this percentages lesson, students count the total number of floor tiles covering a given space, measure a designated section of the room, and then calculate the percentage of the room this area covers.
Worksheet
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Percentages: Decimals To Percent

For Students 4th - 7th Standards
In this percentages worksheet, learners write twelve decimals as percentages and twelve percentages as decimals. Students check their answers with the key when they are finished.
Assessment
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Balanced Assessment

Sales Tax Table

For Students 9th - 12th Standards
Sales tax rates vary; do the math to find the right rate! Pupils use before tax amounts and after tax amounts to determine the tax rate. Rounding makes the task challenging.
Lesson Plan
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Food Fat

For Teachers 9th - 12th
Learners evaluate snack foods based on calories and fat. In small groups, they use this information to make informed and wise food choices. Students graphically represent the fat in a food by measuring the equivalent of the food fat with...
Lesson Plan
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The Discount is Right

For Teachers 5th - 8th
Students visit various websites and calculate various prices of five items. They estimate the sale price of five items using the original price and discount rate, use percent to calculate the rate of discount and the original price, and...
Lesson Plan
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Percentages in Word Problems

For Teachers 8th
Eighth graders, after brainstorming all the places they see percentages in every day life (sales, basketball, grades, etc.), calculate percentages from bases and parts in word problems. They review their notes together on percentage...