Curated OER
Percentages
In this percentages worksheet, students read about how to express numbers as fractions, convert to decimal form and find the percent. They practice by solving four problems using the method they read about.
Curated OER
Percentages in Chemistry
In this algebra worksheet, students solve for percentages using chemical reactions as a real life scenario. The convert to grams when determining percentage of mass. There are lots of examples on how to convert for different units.
Curated OER
WS 1.0 Math Skills Update
In this math skills worksheet, students find percentages, they convert from ordinary notation to scientific notation, they convert from scientific notation to ordinary notation and they manipulate algebraic expressions.
Curated OER
Solar Storm Energy and Pie Graphs
In this solar storm energy and pie graphs worksheet, students solve 5 problems using pie graphs that show the amount of solar energy that is converted into radiation, kinetic energy, flare energy and flare energy that is lost to working...
Rainforest Alliance
Forests of Guatemala
With 90 percent of its land area covered in forests, Suriname, a country in South America, contains the largest percentage of forests throughout the world. Here is an activity that brings classmates together to learn about the...
Science Geek
Percent Composition, Empirical and Molecular Formulas
Help your pupils understand when empirical becomes molecular. The lesson presentation demonstrates the connection between empirical formulas and molecular formulas. Then, given percent composition, the lesson demonstrates the steps to...
Curated OER
Find the Mystery Lines...If You Can!
In this atomic spectral lines worksheet, students observe a diagram of the spectral lines, their different wavelengths and their intensity. They solve 4 problems which include interpreting the scale, matching up tabulated lines with the...
Curated OER
Graph Both Crusts
Fourth graders calculate the angles and construct a pie graph of the percentages of the elements in the continental and oceanic crusts. Then they analyze the results. They can be assigned the task of researching the percentages.