Curated OER
Solving Single-Variable Equations Part II, Simplifying
Seventh graders explore the concept of solving single-variable equations. In this solving single-variable equations lesson, 7th graders discuss how to simplify both sides of an equation. Students discuss using parenthesis and the...
Curated OER
Algebra I Fractions
In this Algebra I activity, 9th graders use the distributive property to simply algebraic expressions involving fractions. Students identify equivalent forms of rational expressions. The two page activity contains twenty...
Curated OER
Simplifying Rational-Fractional Expression
In this rational and fractional expressions worksheet, 9th graders solve 10 different problems that include simplifying various types of expressions. They simplify into simplest form each of the listed equations, including both rational...
Curated OER
Complex Numbers
In this complex numbers worksheet, 9th graders solve 10 different problems that include addition and subtraction of these numbers. First, they add or subtract the coefficients of similar terms algebraically. Then, students remove the...
Curated OER
Solving Quadratic Equations
In this quadratic equations worksheet, 9th graders solve 10 different problems that include various quadratic equations. First, they factor out the equation and set it to zero. Then, students solve each factor and check their work by...
Curated OER
Complex Numbers
In this complex numbers worksheet, 9th graders solve 10 different problems that include either adding or subtracting complex numbers. First, they determine the sum of the real components. Then, students determine the sum of the imaginary...
Curated OER
Tile Diagrams
For this tile diagrams worksheet, 8th graders solve and complete 12 different problems that include using cups and tiles to solve each equation listed. First, they show the check process for each problem by substituting their answer for...
Curated OER
Expressions and Operations
In this expressions and operations worksheet, 9th graders solve and complete 7 different problems that include reading and solving various types of equations. First, they determine the number of seconds it takes light from the sun to...
Curated OER
Multiplying a Polynomial by a Monomial
In this multiplying polynomials worksheet, learners solve and complete 13 different problems that include monomials. First, they use the distributive property to multiply a polynomial by a monomial. Then, students find each product and...
Curated OER
Classification of the Chemical Elements
High schoolers construct a periodic table using felt strips as elements by arranging elements based on their characteristics. In this periodic table lesson plan, students place colored strips of paper that represent elements in the...
Curated OER
Multiplication & Division
Helpful for building a multiplication unit that focuses on different strategies. With explanations about repeated addition and subtraction as foundations for multiplication, scaling, summaries of progression, and basic multiplication and...
Curated OER
Solving Linear Equations
Ninth graders solve linear equations. In this algebra lesson, 9th graders discuss the steps for solving linear equations and work through examples with the teacher. They work in pairs to create their own linear equation and complete a...
Curated OER
Equivalent Algebraic Equations
Ninth graders explore linear equations. In this Algebra I lesson, 9th graders investigate how different equivalent equations can be used to describe any given line. Students explore how to change equations to equivalents...
Curated OER
Equations and Inequalities
In this equations and inequalities worksheet, 9th graders solve and complete 10 different multiple choice problems. First, they determine the property that best justifies the given statement. Then, students find the solution for each...
Curated OER
Fossil Fuels (Part III), The Geology of Coal
Do not overlook this set of lessons just because your school does not have a data analysis system. There is plenty of material here to administer a complete mini unit on the formation, distribution, and properties of coal. Since it...
Illustrative Mathematics
Should We Send Out a Certificate?
Fred thinks his test score is high enough to earn him a certificate. Given the mean and standard deviation, use properties of normal distributions to calculate Fred's percentile ranking and see if he is right. Consider having your class...
Curated OER
The Mighty Elements: Using the Visual Thesaurus to Investigate Chemical Elements
Pupils create trading cards for elements in the Periodic Table. Initially, they are introduced to the Periodic Table of Elements and the concept of elements in the world around us. After dividing into groups, learners use the Visual...
National Nanotechnology Infrastructure Network
Silver and Bandages: Assessment of Inhibition of Bacteria by Silver Colloid-Impregnated Bandages
Silver: more than jewelry, it's also a natural antimicrobial agent. An inquiry-based lesson asks collaborative groups to design and implement an experiment to test this property. Using samples of silver nanoparticles and a strain of...
Curated OER
Slime and Intermolecular Attractions
Students explore the strength of intermolecular attractions. They make slime and compare the difference in the physical properties of sheet and powdered polyvinyl alcohol with polyvinyl acetate.
SRI International
Science of Water
Water is crucial to survival. Scholars gain an appreciation for water by reading about it, learning about its atomic properties, and investigating its properties through six stations in a lab activity.
American Chemical Society
Crushing Test
Solidify understanding of the properties of crystals by crushing them to compare hardness. After some class discussion, a procedure is planned, and then small groups go about making observations as they crush five different crystal...
Curated OER
Classifying Three-Dimensional Shapes
Compare geometric solids based on their properties. Your emergent geometers use spaghetti and marshmallows to build models so they can examine the number of faces, edges, and vertices on polyhedra of their own creation. Resource includes...
Curated OER
Oils and Plastic
Peruse the properties of polymers with your materials engineers, chemistry aces, or emerging ecologists. The inquiries in this resource include puncturing polyethylene plastic bags, dissolving polystyrene cups, creating a polymer...
Curated OER
Temperature
Several slides compare different temperature scales. Thermal expansion, heat transfer, and Maxwell speed distribution are also explored. The last two slides seem unrelated to the topic of heat, but are easily left out of this otherwise...
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