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Lesson Plan
Curated OER

Percentages in Word Problems

For Teachers 8th
Eighth graders, after brainstorming all the places they see percentages in every day life (sales, basketball, grades, etc.), calculate percentages from bases and parts in word problems. They review their notes together on percentage...
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Worksheet
Curated OER

Percent Notation

For Students 7th - 10th
In this algebra activity, students divide circles into equal portions as they explore percents and decimals. They convert between decimals and fractions using ratio and proportion. There are 8 questions.
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Worksheet
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Curated OER

Radian Measure

For Students 11th - 12th
In this Algebra II/Pre-calculus instructional activity, students explore radian measure of an angle and convert between degree and radian measure. The seven page instructional activity contains explanation, examples, and nineteen...
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Lesson Plan
Mathematics TEKS Toolkit

Grade 6: Exploring c/d = pi

For Teachers 6th Standards
Introduce your math class to the perimeter of a circle. Teach them that pi describes the relationship between the circumference and the diameter. As a hands-on investigation, pairs or small groups use string to compare these two values...
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Worksheet
Curated OER

Similar Figure Word Problems

For Students 7th - 10th
In this similar figure worksheet, students use similar figures and indirect measurement to determine distance.  They use proportions of similar figures to determine scale figures.  This two-page worksheet contains 8 problems.  Answers...
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Worksheet
Curated OER

Percents and Money

For Students 10th - 11th
In this algebra learning exercise, students rewrite word problems using algebraic symbols. They solve for the amount of population or money over a period of time. There are 10 questions with an answer key.
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Worksheet
Curated OER

Equations of Lines Perpendicular and Parallel

For Students 9th - 11th
In this algebra worksheet, students solve linear equations using one and two steps. They solve systems of equations using substitution and elimination with graphing. There are links for ready made tests and quizzes.
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Lesson Plan
Curated OER

Fractions

For Teachers 10th - 11th
Students solve problems with fractions without using a calculator. For this algebra lesson, students practice reducing, converting, adding, subtracting and multiplying fractions. They apply the use of fractions to the real world.
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Worksheet
Curated OER

The Right Angle

For Students 11th
For this algebra worksheet, 11th graders solve word problems creating a right triangle. Students determine the point and direction this turn of ninety degrees occurs. There are 4 questions with an answer key.
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Lesson Plan
Curated OER

When Am I Ever Going to Use this?

For Teachers 8th - 10th
Young scholars solve problems using equations and properties of integers. In this algebra lesson, students solve problems using ratio and proportion and graph their answers on a coordinate plane. They solve word problems using geometry.
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Worksheet
Curated OER

Using Ratio to Express a Rate

For Students 9th
In this Algebra I worksheet, 9th graders use a ratio to express a rate.  The one page worksheet contains two multiple choice questions.  Solutions are provided. 
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Worksheet
Curated OER

Whatever You do to One Side, You Must do the Other

For Students 7th - 9th
In this solving linear equations worksheet, students combine like terms to solve 9 equations. Students solve 8 proportion problems by cross multiplying.
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Lesson Plan
Curated OER

How Does a Spring Scale Work?

For Teachers 9th - 11th
Students create visuals of the effect of a spring scale. In this algebra lesson plan, students use the navigator to graph the effects created by a spring scale. They draw conclusion from the graph.
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Worksheet
Curated OER

Direct Variation

For Students 11th
In this Algebra II activity, 11th graders solve problems involving direct variation.  The two page activity contains explanation, examples, and twenty-one problems.  Answers are not included. 
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Lesson Plan
Curated OER

Whatcha Gunna Do When the Hulkster's Measuring Too??

For Teachers 8th - 10th
Students measure using tools they have made. In this algebra lesson, students measure the height and distance using non-traditional measuring methods. They apply their findings to algebra and trigonometry properties of measurements.
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Lesson Plan
Curated OER

Use Proprotions To Solve Word Problems

For Teachers 8th
Eighth graders explore ratios and proportions and how they are used in day to day life. As an activity, they find their own heart rate and then take a survey of other heart rates in the room. After organizing the data, 8th graders use...
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Lesson Plan
Curated OER

Hybrid Vehicles: Cut Pollution and Save Money

For Teachers 5th - 8th
Students examine how driving a hybrid car can save money and cut down on pollution.  In this hybrid vehicles instructional activity students complete an exercise that shows them how to work with proportions, percents, dimensional...
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Lesson Plan
Curated OER

More Complicated Functions: Introduction to Linear Functions

For Teachers 9th - 12th
Learners explore the concept of linear functions. In this linear functions lesson plan, students translate linear functions from tables to graphs to equations. Learners use an applet to write a function rule for a linear function in...
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Lesson Plan
Curated OER

Ratios (Cost of a Habit)

For Teachers 6th - 8th
Students consider an individual habit and its cost. They study ratios and proportions, and use that knowledge to calculate the cost of a habit over extended periods of time. write a detailed comparison of the costs.
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Worksheet
Curated OER

Changing Units of Measure

For Students 8th - 10th
In this algebra worksheet, students convert between units. They write expressions and simplify them. There are 4 problems with an answer key.
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Lesson Plan
Curated OER

Identifying Functions

For Teachers 9th - 12th
Students, after completing a warm up exercise on one proportion word problem, distinguish between functions and non-functions. They identify domain and range on a function as well as recognize and implement function notation. They solve...
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Lesson Plan
Curated OER

Time Trials

For Teachers 8th - 10th
Students investigate speed, time and distance. In this algebra instructional activity, students utilize their knowledge of linear equations to solve problems related to time, speed and distance. This assignment is hands on using two toy...
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Lesson Plan
Curated OER

Data Analysis & Probability

For Teachers 9th - 12th
Students make predictions based on survey results. They calcuate sample proportions. Students estimate the number of voters in their district preferring the democratic candidate using their sample results. They review sample proportions...
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Lesson Plan
Curated OER

Differential Equations and Population Growth

For Teachers 9th - 10th
Students determine the size of the population at a given time. They calculate the time at which the population will be a given number. They observe how the population grows at the rate that is directly proportional to the number of...