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Lesson Plan
Curated OER

The Golden Ratio

For Teachers 9th - 11th
Students solve problems using ratios and proportions. In this algebra instructional activity, students verify proportions, solve for the unknown and use real life scenario to model proportion.
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Worksheet
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Equations using Visuals

For Students 7th - 9th Standards
In this algebra worksheet, students write equations from a given diagram. They relate these problems with functions having to do with inputs and outputs. There are 10 diagrams to be deciphered.
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Lesson Plan
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Distributive Property

For Teachers 9th - 12th Standards
Students solve problems using distribution. In this algebra lesson, students factor equations using the distributive property. They graph their solution on a graph.
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Lesson Plan
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River Optimization Problem

For Teachers 8th - 10th
Students define the different methods used for optimizing a particular element of a problem. In this optimization problem lesson, students optimize appropriate details of a problem using data collection, algebra, technology, and/or...
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Worksheet
Curated OER

Sine Cosine Game

For Students 11th - 12th
In this algebra worksheet, students are given a word problem they must solve by rewriting the words in to algebraic symbols. They investigate Sine and Cosine using word problems. There are 18 questions with an answer key.
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Worksheet
Curated OER

Exploring Real Numbers

For Students 11th
In this algebra activity, 11th graders classify numbers as rational, irrational, integral and whole. They solve the equations and graph i ton a number line. There are 26 questions with an answer key.
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Worksheet
Curated OER

Laws of Exponents

For Students 9th - 11th
In this Algebra I/Algebra II worksheet, learners use the laws of exponents to solve problems involving zero and negative exponents.  The one page worksheet contains six multiple choice questions.  Answers are included. 
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Worksheet
Curated OER

Multiplication Equations

For Students 9th - 10th Standards
In this algebra worksheet, students solve one step equations using multiplication. They are reminded of an equation needing the same thing done to both sides. There are 12 linear problems.
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Worksheet
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The Change of Base Formula: Logarithms

For Students 9th - 12th
In this logarithms worksheet, students solve 25 short answer problems.  Students use the change of base formula to solve each logarithmic expression in the calculator.
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Worksheet
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Pictures, Graphs and Diagrams

For Students 11th - 12th
In this algebra worksheet, students define vocabulary related to circles, and other conics. They graph hyperbolas and eclipse. There are 20 questions.
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Lesson Plan
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Factoring Trinomials

For Teachers 9th - 11th
Students factor trinomials and other quadratic functions. In this algebra activity, students solve trinomials containing negative and positive coefficients. They factor quadratics of difference squares as well as regular polynomials.
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Worksheet
Curated OER

Math Regents Exam Questions: Surface Area and Volumes

For Students 9th - 12th
In this surface area and volume worksheet, students solve 4 short answer and multiple choice problems.  Students find the volume and surface area of cylinders and prisms.
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Worksheet
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Math Regents Exam Questions: Combinations

For Students 9th - 12th
In this combinations instructional activity, students solve 20 short answer and multiple choice questions.  Students determine the number of possible combinations given a word problem.
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Worksheet
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6.5 Skill Builder: Trigonometric Identities

For Students 9th - 12th
In this trigonometric identities worksheet, high schoolers solve 16 multi-part short answer problems. Students use the quotient identity and Pythagorean identity to simplify trigonometric expressions. High schoolers factor trigonometric...
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Worksheet
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Linear Functions

For Students 9th - 11th
In this algebra worksheet, students identify and label functions as linear or not. They find the domain and range of each function. There are 15 multiple choice questions.
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Lesson Plan
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Checking Equivalence

For Teachers 9th - 12th Standards
Students solve equations. For this calculus lesson, students compare equations and identify equivalencies. They compare and approximate fractions and decimals.
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Lesson Plan
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Equations in the Park

For Teachers 3rd - 4th
Learners explore algebraic concepts using real life situations.  For this equations lesson, students develop strategies to solve missing number problems. Learners participate in a board game based on algebraic equations.
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Worksheet
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Defining the Circular Functions

For Students 10th - 12th
In this calculus worksheet, students solve values involving trigs and the unit circle. They identify graphs of sine, cosine and tangents. They solve for angles using the unit circle and the calculator.
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Worksheet
Curated OER

Finding Angles in Right Triangles

For Students 10th
In this geometry learning exercise, 10th graders use right triangle trigonometry to solve application problems in which they find the measure of the missing angle in a right triangle.  The two page learning exercise contains five free...
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Worksheet
Curated OER

Imaginary Numbers

For Students 11th
For this Algebra II worksheet, 11th graders solve problems that involve determine the value of expression involving the imaginary unit.  The one page worksheet contains three multiple choice questions.  Answers provided. 
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Lesson Plan
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Comparing Linear and Exponential Functions

For Teachers 9th - 12th Standards
Teach your class how to differentiate between linear and exponential functions. They use exponential properties to solve problems, graph them using the TI-Navigator, and make comparisons.
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Lesson Plan
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Student D

For Teachers 8th - 10th
Students are being evaluated on their math skills. In this algebra instructional activity, students review basic math skills and are being reviewed for leaning skills that may enhance or inhibit their learning skills. They are scored...
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Lesson Plan
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The Mass of the Moon

For Teachers 9th - 10th
In this mass of the Moon worksheet, students use the lunar orbit and the orbit period to determine the mass of the Moon. They solve 4 problems including finding the mass of the Moon, determining the ratio of the Moon's mass to the...
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Worksheet
Curated OER

New York Exam

For Students 9th - 11th
In this algebra worksheet, students review the basic concepts of algebra and linear equations. They solve polygons and shapes for their area and perimeter. There are 27 questions.