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Worksheet
Curated OER

Order of Operations

For Students 9th - Higher Ed
In this order of operations learning exercise, students simplify and evaluate 10 different types of problems by applying the order of operations in each. They simplify basic equations whether multiplication, division, addition, or...
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Worksheet
Curated OER

Trigonometric Ratios

For Students 10th
In this geometry worksheet, 10th graders use right triangle trigonometry to find the missing angle measure or side length.  The three page worksheet contains a combination of twelve multiple choice and free response problems.  Answers...
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Worksheet
Curated OER

Depression and Elevation Angles

For Students 9th - 12th
In this angles activity, high schoolers utilize trigonometry to determine angles of elevation and depression. There are 7 questions and some contain pictures.
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Worksheet
Curated OER

Finding Angles in Right Triangles

For Students 10th
In this geometry worksheet, 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 worksheet contains five free response...
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Worksheet
Curated OER

The Big Bang-Cosmic Expansion

For Students 12th - Higher Ed
In this Big Bang worksheet, students are given the equation used to determine the rate at which the universe is expanding according to the Big Bang theory. Students solve 4 problems using this equation. They find the integral for time,...
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Lesson Plan
Curated OER

The Golden Ratio

For Teachers 9th - 11th
Young scholars solve problems using ratios and proportions. In this algebra lesson plan, students verify proportions, solve for the unknown and use real life scenario to model proportion.
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Worksheet
Curated OER

Solving Fractional Equations

For Students 11th
For this algebra worksheet, 11th graders solve irrational functions by identifying the variables and make sure the equation is a true statement. They solve word problems also. There are 12 questions with an answer key.
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Lesson Plan
Curated OER

The football and Braking Distance; Model Data with Quadratic Functions

For Teachers 8th - 10th
Students use the quadratic formula to solve application problems. The first problem relates to the path of a football thrown from the top of the bleachers. Students compute the time it will take the football to reach certain heights. In...
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Worksheet
Curated OER

Standard Deviation

For Students 9th - 10th
In this algebra worksheet, students identify the mean, median and mode. They use the standard deviation to solve problems. There are 10 questions with an answer key.
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Lesson Plan
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Model Data with Quadratic Functions

For Teachers 8th - 11th
Students model data using quadratic equations. In this algebra lesson, students simplify and factor quadratic equations. They graph the function using collected data and analyze the parabola.
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Lesson Plan
Curated OER

Human Coordinate Plane, Using the Distance Formula

For Teachers 9th - 12th
Pupils write the distance formula to solve equations for finding the distance between 2 points. In this distance formula lesson plan, students also write sentences explaining why their formulas would work.
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Worksheet
Curated OER

Fifteen Multiple Choice Rationalizing the Denominator Problems

For Students 10th - 12th
In this rationalizing the denominator worksheet, students rationalize the denominator in fifteen problems.  The solutions are provided.
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Worksheet
Curated OER

Graphing Square Root

For Students 9th - 10th
For this algebra worksheet, students graph square root functions. They use translation to move the graph around. There are 4 questions with an answer key.
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Worksheet
Curated OER

The Pythagorean Theorem

For Students 9th - 11th
In this geometry learning exercise, students solve missing parts of a triangle using the Pythagorean Theorem. There are 19 questions with an answer key.
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Worksheet
Curated OER

Simplifying a Square Root

For Students 8th - 9th
In this algebra activity, learners simplify square roots. They add and multiply the roots. There are 5 questions with an answer key.
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Lesson Plan
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Strong Arm Iteration

For Teachers 7th - 9th
Students solve exponential functions and inequalities. In this algebra lesson, students find the roots of equations and use it to graph and evaluate exponential functions. They simplify exponents using the law of exponents.
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Lesson Plan
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Gearing Up

For Teachers 6th - 8th
Students practice using ratios to solve real-world problems.
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Lesson Plan
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Equations and Inequalities

For Teachers Higher Ed
Students in a college algebra class use graphs to solve inequalities. Using the coordinate graphing system, they represent the relationship between x and y intercepts. They practice solving equations with complex numbers and locate...
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Lesson Plan
Curated OER

Budgeting for Peace

For Teachers 12th - Higher Ed
Students explore world leader's quests for peace. In this world leader research lesson, students read a speech by Archbishop Desmond Tutu and view budget figures for the United States. Students work in groups to create an alternate...
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Lesson Plan
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Solve One Quadratic Equation by Completing the Square

For Teachers 9th - 11th
In this completing the square worksheet, students solve one quadratic equation by completing the square.  The solution is provided.
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Lesson Plan
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How are Trig Ratios Used to Measure Triangle Sides

For Teachers 8th - 11th
Students identify the ratios of trig identities. In this geometry lesson, students solve the missing sides and angles of triangles using trig ratios. They relate the graphs and waves to real life scenarios.