In this middle school mathematics instructional activity, students use cross multiplication to solve proportions. The interactive instructional activity has a "step-by-step" link for an in-depth solution. The one page instructional...

In this proportion learning exercise, students find the missing side of 4 shapes that are similar to their mate. Shapes include triangles and quadrilaterals,. In the second part of the learning exercise, students use the scale...

In this percent equation learning exercise, students use proportions to find the percent of a given number. This two-page learning exercise contains 12 problems. Answers are provided on the last page of the learning exercise.

Students determine the best way to earn money.  In this financial wizard lesson, students read a story.  They compare different jobs, the rate of pay for each job and the number of hours required to do the job.  Students...

In this jogging worksheet, students solve a distance and rate problem.  They determine the rate a jogger runs and calculate when the jogger and a train will meet.  This one-page worksheet contains 1 problem.  The answer is...

In this trigonometric ratios learning exercise, students determine the value of trigonometric ratios.  They find the area of triangles, determine the length of one side, and compute the degrees in an angle.  This five-page...

In this chemistry worksheet, students answer 50 multiple choice questions on stoichiometric calculations, the mole and chemical reactions.

In this geometry worksheet, 10th graders examine the effect of changing the dimensions of a figure proportionally on the perimeter, circumference, and area.  The one page worksheet contains six problems.  Answers are...

In this geometry worksheet, students use the properties of similar polygons to find the indicated missing length or the scale factor. The two page worksheet contains twenty-two questions. Answers are included.

In this Froot Loop favorites worksheet, students solve and complete 3 different problems that include data tables related to their Froot Loop favorites. First, they determine what fraction of the class voted for each color listed in the...

Students, after reading the Web page Thrust to Weight Ratio, use Range Games and the Air Page to complete the activity to answer questions about turbojet thrust to weight ratio.

The student will practice writing ratios as fractions, using poultry-related illustrations as visual representations of the problems.1. Review the definition of a ratio and how to write ratios as fractions. If possible, use groups of...

Learners study sea turtles and the concept of temperature-dependent sex determination (TSD). Using a specific set of temperature data, they determine the probable sex of a nest of sea turtle hatchlings and then determine the overall...

Middle schoolers read a cookie recipe and complete a worksheet that asks them to establish ratios and proportions for various ingredients in the recipe.

Sixth graders investigate probability. They use ratios to solve simple probability situations. Students express their solutions in the form of fractions or decimals. They predict outcomes and complete probability worksheets.

Students research items that can damage hearing. They explore statistics about the decibels of certain objects. From the information collected, students create a bar graph. They formulate ratios to determine what sounds are harmful to...

For this math worksheet, students examine the pictoral representations of the fractions and take the time to study the examples. Then students create their own ratios for the pictures.

In this simplifying rations word problems worksheet, students show their word and complete a set of 4 word problems, finding given rations. Answers are included on page 2.

Student sinvestigate the area and perimeter of polygons. They differentiate between similar and congruent polygons.. They identify the ratio and proportions of the sides and angles of polygons.

In this similar triangle worksheet, students write a two-column proof to explain why determined triangles are similar. Given some line lengths and angle measurements, students use proofs to identify the ratio of specified angles. This...

Students explore gears.  In this simple machines and ratio lesson, students view a video clip in which front and rear bicycle gears are explained. From a set of gear combinations and gear ratios, students identify high and low gear...

In this proportions worksheet, 8th graders solve and complete 10 different problems that include difficult word based proportions. First, they solve each proportion as described. Then, students write their answer on the line provided for...

In this missing angle instructional activity, students use trigonometry ratios to determine the measurement of a missing angle. Students identify sine, cosine and tangent ratios. This one-page instructional activity contains ten problems.

Students solve problems involving ratio and proportion. In this algebra lesson plan, students analyze the currencies found in different countries. They create formulas to convert between the different currencies and use ratio and...