Virginia Department of Education 
Quadratic Equations
Review the multiple methods of solving quadratic equations through an analysis of the discriminant. Scholars use the discriminant to determine the best solution method and then solve various equations. As a challenge, learners build...
Curated OER
My Test Book: Factors and Prime Numbers
In this online interactive math skills worksheet, students solve  10    multiple choice math problems regarding factors and prime numbers.  Students may  submit  their answers to be  scored.
K20 LEARN
How Does Your Garden Grow?
Seventy thousand different types of soil exist in the United States alone. Young scientists learn about the importance of soil to the food supply. They test soil for a variety of factors and determine the best place to set up a community...
Curated OER
More Factors and Multiples Pre-Test
In this factorization pre-test worksheet, students solve ten multiple choice questions by finding the least common multiple. This is an interactive worksheet.
Curated OER
New York State Testing Program, Mathematics Book 1 Grade 8
In this 8th grade math test, 8th graders complete 27 multiple choice problems. Problems cover a wide variety of concepts from geometry to linear equations and computation with exponents. The test is from 2005.
National Security Agency
Fraction Fever
This unit on fractions allows for upper-aged elementary learners to explore ways to find the greatest common factor and least common multiple of two numbers. Ultimately, young mathematicians will be able to identify equivalent fractions,...
Biology Junction
What Is Ecology?
Do you know the name for the biological study of interactions? A short presentation with accompanying worksheet introduces individuals to ecology. The materials offer a broad overview of the subject and the levels of organization to...
Curated OER
Least Common Multiple: Post Test
In this least common multiple worksheet, students answer multiple choice questions about the least common multiple of numbers and rules on how to find it. Students complete 10 questions total.
Curated OER
More Factors and Multiples: Greatest Common Factor: Pre Test
In this greatest common factor worksheet, students answer multiple choice questions about problem solving and rules of the greatest common factor in numbers. Students complete 10 questions total.
Curated OER
More Factors and Multiples: Greatest Common Factor
In this greatest common factor worksheet, students answer multiple choice questions about how to find the greatest common factor and actually finding it in problems. Students answer 10 questions total.
Curated OER
SAT Grid Practice Test 07
In this practice test worksheet, students solve percent problems, find the probability of given events, determine the median, and find the unit price. This one page worksheet contains ten multi-step problems.
Virginia Department of Education 
The Rate of a Chemical Reaction
If your pupils think a catalyst is a list of their cats, then this might be the lesson for you! Young chemists study the effect of temperature, catalysts, concentration, and particle size on reaction rates during four different...
National Endowment for the Humanities
Women's Lives Before the Civil War
Women's lifestyles before the Civil War made a huge impact as a point of causation. Give middle schoolers the opportunity to view firsthand the lives of women before the Civil War. They analyze primary source documents, view photographs,...
Cold Spring Harbor Laboratory
Different Genes Are Active in Different Kinds of Cells
Personalized medicine prevents many trial-and-error scenarios when time counts the most. Learn how gene expression and screening genomes improves health outcomes in cancer patients, those with auto-immune disorders, and more. An online...
Kenan Fellows
Multivariate Least Squares Regression Model with Variable Selection
The risk of contracting an infection in the hospital is low, but it does happen. Learn what risk factors have the highest correlation with hospital-acquired infections in the final lesson of a three-part series. Using the open source R...
University of Minnesota
Dendritic Spines Lab
This is your brain on drugs ... literally! Your neuroscientists-in-training examine the evidence of drug use on the human brain and how neurons change their connectivity when altered by drugs. They then work together to create testing...
Curated OER
Mathematics Within: Algebraic Processes and Its Connections to Geometry
Learners analyze multiple strategies of multiplication: clustering, area model, breaking apart/decomposing, etc. They create their own strategies to approaching multiplication problems and share them with their classmates. Discussion...
Curated OER
Acids and Bases
In this acids and bases worksheet, students review the characteristics of acids and bases, pK values, factors that change the rate of reactions, and catalysts. This worksheet has 17 multiple choice questions.
Curated OER
Reading and Comprehension
Reading comprehension is defined and common problems with understanding text are outlined. Potential solutions are offered to help your group develop discernment skills. Starting with slide sixteen, a sample reading selection is shown...
Curated OER
Measuring Rainfall and Relationships Between pH, Alkalinity and Suspended Solids in the Pago River
Eleventh graders test the pH and alkalinity of Pago River. In this ecology lesson, 11th graders collect data and use spreadsheet to graph results. They analyze and share their findings with the class.
Virginia Department of Education 
Scientific Inquiry: Measurement/Data
While pupils design their own lab experiments, they will not form a new species. Scholars take their materials and design an experiment regarding reaction rates. 
Illustrative Mathematics
Box of Clay
What happens to a volume when you scale the dimensions of a rectangular prism? In this problem, a box of clay is increased in each dimension, with the intent to see if learners can generalize the result. The addition of...
Scholastic
Study Jams! Ecosystems
With the forest as an example, Sam and Zoe talk about the components biotic and abiotic of an ecosystem. They also discuss the role of producers, consumers, and decomposers. This concise clip covers all of the basics. As an introduction...
Curated OER
New York State Testing Program Mathematics Book 1 Grade 7
In this grade 7 math knowledge test, 7th graders complete 30 multiple choice problems from a wide variety of math skills.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
