Eighth graders measure height and shadow length of other students on a sunny day and develop a ratio. They apply the ratio to other students and objects using shadows to determine height.

To practice multiplying fractions and mixed numbers, students choose a starting whole number and multiply it by a mixed number. Students then answer a number of questions about ratios for different problems. This activity is intended for...

Eighth graders follow a recipe, focusing on the concepts of ratio and proportion, to mix a batch of icing. They decorate cupcakes in the form of a pumpkin.

Learners investigate numerical data on a possible asthma epidemic. Using statistical information, students graph and figure ratios of the epidemic. They evaluate the mortality rate from severe smog in the 1950's in London.

Young scholars demonstrate and describe the effect of multiplying or dividing by a fraction less than or greater than one. They create and explain a variety of equivalent ratios that represent a given situation. Students draw a picture...

students are the opportunity to enhance their computation skills using real life statistics associated with the Space Shuttle. Skills emphasized include working with fractions, decimals, percents, ratios and proportions, comparing units,...

Students analyze the measurements of rectangles. In this analysis lesson, students will investigate patterns by looking at ratios. Students will also hypothesize the probability of a ball going into a certain pocket when playing pool....

Students discuss scale diagrams and maps as well as the use of spreadsheets to find the best scale to use in a model before practicing scale and ratio problems on their own.

Middle schoolers measure the dimensions of different sizes of paper. Using a copy machine, they discover dilations. After enlarging and shrinking particular copies, students examine rates, ratios and percentages and discover the...

Students measure the length and width of various sizes of envelopes. After comparing the envelopes, they explore the ratios, percentages, and rates. Students discuss postal rates and compare the cost of mailing items, delivery times, and...

Students calculate the different ratios using a right triangle. In this trigonometry lesson, students identify the sine, cosine and tangent of each side. They find the missing angles using the different ratios.

In this math worksheet, students test the concepts of divergence and convergence for each formula. Then they test the functions using the Ratio Test.

In this algebra worksheet, students apply the properties of exponents as they solve problems with exponents. They compare ratios and volumes as they relate to each other. There are 5 questions with an answer key.

Learners 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.

In this moles learning exercise, students calculate molar ratios, moles, and mass of different molecules. This learning exercise has 10 word problems.

In this stoichiometry worksheet, students determine the molar ratio for chemical equations. Students calculate moles and grams for reactions. This worksheet has 10 problems to solve.

In this stoichiometry worksheet, students review concepts related to stoichiometry including molar ratio and conservation of matter. Students calculate the number of mole is specific reactions. This worksheet has 7 fill in the blank, 5...

In this acidity or hydrolysis reactions instructional activity, high schoolers read about the different types of metal ions and how they react in aqueous solutions. They also read about the factors affecting the acidity of metal ions,...

Students are exposed to a wide array of concrete representations to help develop a foundation for the higher abstract ideas associated with mathematical inquiry. For this lesson, students will work with manipulatives (beans) to create...

Students create a mini city using proportions that fit a model human they construct using tin foil. They plan the city including a library, sports arena, living spaces, parks and businesses. When constructing the paper buildings, they...

In this relating fractions, decimals, and percents worksheet, learners recognize the relationships, complete a table with missing fraction, decimal, and/or percent, write fractions in simplest forms, and solve algebraic equations and two...

In this word problem worksheet, students find the percent of a number.  This two-page worksheet contains 18 problems.  Answers are provided on the last page.

For this word problem worksheet, students read story problems, write equations to match the problem and solve the equations. This four-page worksheet contains 14 problems. Answers are provided on the last page.

In this unit rates worksheet, students determine the unit rate of given data. This three-page worksheet contains 20 problems. Answers are provided on the last page of the worksheet.