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2000 U.S. National Chemistry Olympiad Part II
For this chemistry olympiad problem solving worksheet, chemistry pupils solve eight problems on a variety of topics including periodic trends, phase changes, ionization reactions, catalysts and titrations.
Raytheon
Ratios and Rates
Here is a ratios, rates, and proportions worksheet which invites learners to solve word problems dealing with ratios, rates, and proportions. They complete 26 problems total.
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Rates of Chemical Reactions-The Iodine Clock Reaction
Students investigate the reaction rate of iodine and soluble starch. In this rates of chemical reactions lesson plan, students study the effects of varying concentrations of reactants and varying temperatures of reactants on the reaction...
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Ratios, Rates, Percent and Nutrition
Examine food labels to determine percentage of fat and sugar to total calories with middle schoolers. Daily nutritional guidelines are discussed and learners will decide how well their foods fit into a healthy diet. In the provided...
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The Effects of Temperature on Rate
High schoolers create predictions on what they believe happen to reaction rates when temperature is raised. They use hot, cold, and room temperature water for this experiment and observe the differences. They graph their observations and...
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Introducing the Concept: Rates
Sixth graders explore rates as a specific type of ratio, using visual examples of unit rates and unit prices to increase comprehension. They also practice solving problems that are modeled by the instructor. The well-scripted lesson is...
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Conversions and Rates
In this conversions and rates learning exercise, students solve 10 different word problems that include using metric conversions and rates to solve each problem. First, they determine the number of milliliters needed for the correct...
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Through India and Back
Pupils play a game based on "The Amazing Race" to practice using rates and fractions. In this fractions and rates lesson, students work in small groups competing to complete the tasks in the quickest time. At each stage of the journey,...
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Horatio's Ratios
View a PBS video entitled Horatio's Drive and explore Horatio's Ratios. Collaborative learners form groups to use Mapquest to determine distances covered. They generate the mathematical averages, ratios, and rates in order to calculate...
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Calculate Rates Using Appropriate Units
In this Algebra I/Algebra II learning exercise, students solve verbal problems in which they calculate the indicated rate and choose the appropriate unit of measurement. The three page learning exercise contains a combination of...
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Calculating Rates
In this Algebra I/Algebra II activity, students determine the rate or time using the appropriate units. The one page activity contains a combination of six multiple choice and free response questions. Answers are included.
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Ratio and Proportion
In this ratio and proportion learning exercise, students solve 22 short answer and multiple choice problems. Students use rates, proportions, and ratios to solve each problem.
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A.P. Calculus - First Semester Examination
In this calculus exam instructional activity, students solve 40 multiple choice and short answer problems. Students find derivatives, second derivatives, normal lines, slopes, etc.
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Trig Applications
For this trig applications worksheet, students solve 6 word problems about trigonometry. Students determine wind speed, angle of elevation and depression, and speed of airplanes using trigonometric functions.
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Ashes to Ashes: Using Evaporation Rate to Identify an Unknown Liquid
Learners explore the concept of evaporation rates in this evaporation rates lesson. They will try to identify the chemical that began a fire, perform an experiment where they use the evaporation rates to determine the unknown liquid, and...
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Total Cost and Unit Cost
In this unit rate worksheet, students solve 6 problems in which the unit rate in a consumer math story problem is calculated. There are no examples or instructions.
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Rates And Unit Price
In this rates and unit price worksheet, students problem solve and calculate the answers to ten word problems and mathematical equations dealing with ratios, proportion and missing values.
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Cell Phone Plans
Students relate the use of a cell phone to math. In this algebra lesson, students collect data on the usage of their phones and plot it. They analyze the graph and make predictions based on the rate per minute.
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Seven Rates and Ratio Problems Using Tables
In this rates and ratios worksheet, students complete tables given rates. This worksheet contains seven multi-part problems where students discover the steps to ratio problems.
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The Locksmith Problem
In this rates learning exercise, students solve a problem by converting units. The solution is provided.
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Algebraic Translations
In this algebraic translations instructional activity, 7th graders solve 10 different problems related to various algebraic translations. First, they determine the sum of two consecutive numbers. Then, students determine the rates at...
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Related Rates
In this related rates worksheet, students are given various scenarios and determine the distance and rate of each situation. This two-page worksheet contains eight problems.
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Numerical Analysis/ Orders of Convergence of a Sequence
In this math worksheet, learners examine the concept of orders of convergence for a sequence. They practice finding the different rates of convergence.
Curated OER
Worksheet 20 Fall 1995
In this math worksheet, students describe a step by step method to solve rate problems. Then they state the time derivatives of different quantities.