Curated OER
Quadratic Equations
In this algebra worksheet uses factoring to solve and graph quadratic equations. The three page worksheet contains explanation of topic, worked examples and five practice problems. Answers are not provided.
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Rational Exponents
In this Algebra worksheet, students simplify expressions involving rational exponents. The one page worksheet contains explanation, examples and nine practice problems.
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Slope of a Line
In this interactive worksheet, 8th graders review how to calculate the slope of a line, then solve 10 problems, given 2 points. Students may click for further information, on finding a slop of a line.
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Strike a Pose: Modeling in the Real World (There's Nothing to It!)
Adjust this lesson to fit either beginning or more advanced learners. Build a scatter plot, determine appropriate model (linear, quadratic, exponential), and then extend to evaluate the model with residuals. This problem uses real-world...
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Simplifying Radicals
In this Algebra I/Algebra II worksheet, students simplify radicals and radical expressions involving multiplication and division. The one page worksheet contains a combination of nine multiple choice and free response questions. ...
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Equation Basics
In this equation basics worksheet, students solve simple algebraic equations. This one-page self-checking worksheet may be completed on-line. If preferred, an answer sheet may be printed.
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Concepts, Patterns, Formulas, Substitution
In this algebra lesson, students define algebraic terms and rewrite them using math symbols. There are 10 problems drawing correlations to geometry as well as algebra.
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Basic Proportions Worksheet
In this middle school mathematics learning exercise, students use cross multiplication to solve proportions. The interactive learning exercise has a "step-by-step" link for an in-depth solution. The one page learning exercise has twenty...
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Solving Two Step Equations
In this algebra worksheet, students solve linear equations using the slope and y-intercept. They solve word problems using algebra. There are 9 questions with an answer key.
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Geometric and Arithmetic Sequences
In this geometry worksheet, students answer questions about geometric and arithmetic sequences. This lesson is an online interactive lesson.
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Scatter Plots
In this Algebra I/Geometry/Algebra II worksheet, learners create a scatter plot and analyze the data to determine if the data show any type of correlation. The four page worksheet provides extensive explanation of topic, step-by-step...
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Negative Exponents in Fractions Worksheet
In this exponent learning exercise, students simplify fractions containing negative exponents. Twenty problems are provided on this one-page learning exercise. Answers are provided.
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Solving Equations by Distributive Property
In this solving equations activity, students use the distributive property to find the value of the unknown. This one-page activity contains 10 multi-step problems. Answers are provided.
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Hide the Beans
In this subtraction worksheet, learners use a spinner to spin to a number between 1 and 9. Students draw that number on the picture of the open hand. Learners then find out how many beans are in the other hand by subtracting to complete...
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Line Graphs
In this algebra worksheet, students describe the relationship between a line graph and its data. They define the reasons line graphs are used and discuss increasing and decreasing lines. There is one involved questions, requiring several...
West Contra Costa Unified School District
Work Problems – Bar Models
Why do we have to do so much work? Scholars learn how to set up bar models to represent a situation involving work. They use these bar models to help set up equations with rational coefficients to solve the problem situation.
EngageNY
Irrational Exponents—What are 2^√2 and 2^π?
Extend the concept of exponents to irrational numbers. In the fifth installment of a 35-part module, individuals use calculators and rational exponents to estimate the values of 2^(sqrt(2)) and 2^(pi). The final goal is to show that the...
EngageNY
Trigonometry and Complex Numbers
Complex numbers were first represented on the complex plane, now they are being represented using sine and cosine. Introduce the class to the polar form of a complex number with the 13th part of a 32-part series that defines the argument...
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Another Computational Model of Solving a Linear System
The process of elimination really works! Use elimination when substitution isn't doing the job. The 29th segment in a series of 33 introduces the elimination method to solving linear systems. Pupils work several exercises to grasp the...
West Contra Costa Unified School District
Conics Introduction and Parabolas
Where did conic sections get their name? The equation and graph of a parabola are developed from the definition of the conic section. Teacher examples on graphing the equation and writing an equation from the graph round out the plan.
West Contra Costa Unified School District
Talking About Distance, Rate and Time
Connect the tortoise and the hare fable to mathematics. Learners first identify key terms related to distance, rate, and time. They then solve distance/rate/time problems using different representations.
West Contra Costa Unified School District
Solving Systems of Inequalities
Don't throw away those transparency sheets just yet! Young scholars first review inequalities on a number line, then learn about graphing inequalities in the coordinate plane. Finally, they use overhead transparencies to create systems...
EngageNY
An Area Formula for Triangles
Use a triangle area formula that works when the height is unknown. The eighth installment in a 16-part series on trigonometry revisits the trigonometric triangle area formula that previously was shown to work with the acute triangles....
EngageNY
Searching a Region in the Plane
Programming a robot is a mathematical task! The activity asks learners to examine the process of programming a robot to vacuum a room. They use a coordinate plane to model the room, write equations to represent movement, determine the...