Curated OER
Molecules, Moles and Molar Masses
In this molecules, moles and molar masses worksheet, students find the atomic masses of 8 elements, they write the formulas for 6 diagrams of molecules and they find the molecular masses of 12 compounds. Students also find the fraction...
Curated OER
Exquisite Excursions
Young scholars locate 6 cities, one on each of the 6 major continents. They find distance for each leg of their journey, convert to percents, use a time zone map, and convert to foreign currencies.
Math Mammoth
Volume Problems
In this volume problem instructional activity, students determine the volume of various objects. They compare similar objects and determine the percent of increase and decrease of the surface area and volume. This one-page instructional...
Curated OER
Taxes, Tips, and Salaries
In this taxes, tips and salaries worksheet, students read story problems and determine the sales price, percent of change, amount of tax, and final price.  This four-page worksheet contains 8 multi-step prolems.  Answers are...
Curated OER
What Can We Measure about Chemicals?
In this measuring chemicals worksheet, students determine the accuracy and precision of measurements and distinguish between the two. They find the percent composition of compounds, the molar mass of compounds and the volume of gases at...
Curated OER
Everything You Ever Wanted to Know About Stoichiometry
In this chemistry worksheet, students identify the process of Stoichiometry and use it to calculate various chemical reactions similar to that of a recipe. In addition, they identify a connection between isoamyl alcohol and the product...
Curated OER
Fall Plowing: Drawing to Scale
Students explore coordinates and scale drawings. In this drawing to scale lesson, students discuss symmetrical and asymmetrical shapes, geometric, shapes and estimation of size.  Students recreate a portion of a drawing using a...
Curated OER
The Ups and Downs of the Stock Market
This is a one-page worksheet in which students practice working out the percentage changes in the stock prices of major corporations such as Sears, etc. This is useful in a business or economics lesson.
Curated OER
Changing Perspectives on the Sun's Diameter
In this sun's diameter worksheet, students use a photograph taken by the SOHO satellite of the sun showing a change in diameter from one month to another. Students find the average diameter of the sun, they determine the percent change...
Curated OER
The Pony Express
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.
Curated OER
It's in the Label - The Food Label
Students examine the fat content in their diet and how advertising affects their eating habits.  In this nutrition and advertising lesson, students analyze pizza and how to make it healthier.  Students recognize the importance...
Curated OER
Water Quality and Watersheds: A GIS Investigation
Requiring more than one class period, this resource takes earth science learners on a journey through a watershed. Using ArcGIS Explorer, an online geographic information system, they view maps of watersheds and surrounding landscapes....
Curated OER
Ocean Impacts of an El Nino Event
Students study sea surface height and temperature and other characteristics of an El Nino.  In this ocean impacts lesson students examine the factors that influence an El Nino or La Nina. 
Curated OER
The Golden Students
Scholars view the video, "Donald Duck in Mathmagic Land," and discuss examples in nature which have proportions of the golden ratio. They measure and record different body lengths from a worksheet and convert the ratios to equivalent...
Curated OER
Drawing the Line on Financial Reform
Use this political cartoon handout to give a humorous edge to learning about financial reform legislation. Background information helps analysts "read between the lines," and questions prompt analysis of symbolism and message. Because...
Curated OER
A Different Point of View
Elementary schoolers utilize a pattern worksheet embedded in this plan to work on a deeper understanding of geometric concepts like symmetry and congruency. Since geometry is such a visual form of mathematics, this lesson should fit...
Curated OER
Spider Percentages
In this finding percentages worksheet, students will find the percent of a whole line that a spider traveled between points while walking from one end to the other.
Curated OER
Decimals and Percents
In this decimals and percents worksheet, middle schoolers multiply six whole numbers by decimal numbers. They find the percentage of five whole numbers. Students graph one of the answers on a 10x10 grid.
Curated OER
Composition of Ocean Water
Students experiment to determine the composition of ocean water. In this ocean water composition lesson, students color in a grid that shows the percentage of each of the components of ocean water which include chloride, sodium, sulfate,...
Curated OER
Taste the Rainbow
Students practice estimating and graphing by utilizing Skittles.  In this statistics lesson, students complete worksheets based on the likelihood of a certain color of skittle coming out of the bag.  Students create a graph...
Curated OER
Teaching about the First Amendment
Students defend the Constitution against a group of Senators who decide that all media must be approved by the government, all Americans must take a loyalty oath, join an official U.S. religion and subscribe to approved clubs.
T. Smith Publishing
Addition Number Charts Set 1
A bear is holding an addition chart for your first graders. Some of the answers are provided, and others are left blank for them to fill in. The practice of completing number charts really deepens learners' grasp of addition concepts....
Curated OER
The Composition of the Atmosphere
In this atmosphere worksheet, students list the gases in the atmosphere and their percent composition. They also fill in a pie chart with the gases and their percentages and answer questions about the atmosphere.
Curated OER
What a Can Can Do
Learners explore the properties of a can.  In this aluminum science lesson, students conduct various experiments to identify properties of aluminum.  Learners examine the appearance, temperature, and corrosion resistance of aluminum.