In this stoichiometry worksheet, students solve a variety of problems including finding empirical and molecular formulas, determining molarities of solutions, determining molecular weights of compounds and calculating the percent mass of...

Students examine the procedures to determine a number when the percentage of the whole is known or to find the whole number when the part or percentage is known.

You class will read Cucumber Soup by Vickie Leigh Krudwig as an anticipatory set for this lesson on ratios. They make models of the insects in the story and then use them as a source of data for this ratio and proportion lesson. This...

Students explore the loss and gain made in the stock market as they invest a sum of money and report the results as percentages instead of points.

Everyone loves popcorn! Use this treat to teach math concepts including place value, estimating, graphing, and volume. Eight possible activities are included, and they can be modified to fit all grade levels. 

In this mixture word problem worksheet, students read story problems and determine what information is necessary to solve the mixture problem. They identify the correct solution, graph inequalities, and solve inequality equations. Nine...

Finding out how to calculate tax and tip is a valuable skill that all young adults should be able to do without a calculator. Learners are given a bill and asked to calculate the tax, tip, and total amount. Calculations can be exact or...

In this ratios, rates and percentages worksheet, 6th graders solve 16 different types of problems that include writing each ratio as a decimal and a fraction in lowest terms as a percent. They also arrange numbers in ascending order and...

Sixth graders investigate rice farming in Missouri. In this percentages lesson, 6th graders determine how much rice production has increased over time. Students find this number in percentages. Students then figure the percent of acres...

In this percentage worksheet, 5th graders figure a given percentage for a particular number. Students solve for 12 problems giving the number amount for each percentage stated.

Students pretend to borrow $1000.00 on a credit card. They pretend to make the minimum payments for a year. When they're done, they make a pie chart showing how much of their payments reduced their debt, and how much was interest.

In this water worksheet, students are given the percent of distribution of water on earth. With the total amount of water equal to 1,000ml students determine the number of ml for each type of water on earth and color a beaker with the...

In this math instructional activity, students convert the percents to fractional equivalents through the reading of the percentage as a decimal or division.

In this cross-curricular sampler of worksheets, students determine the meaning of specialized vocabulary and to understand the precise meaning of grade-level-appropriate words, describe and connect the essential ideas, arguments, and...

One of the trickiest areas of mathematics for youngsters is the relationship between fractions, decimals, and percents. In this impressive presentation, learners get coached on how to convert between fractions and decimals, and vice...

Students conduct qualitative and quantitative investigations based on the interaction between water and various polymers. They determine the percent moisture contained in various plastics along with a qualitative procedure to determine...

Your class will be very interested in the results of this activity. How long does it take a MP3 and video game player to charge?  Sam only has an hour and the MP3 player only has 40% of its battery life left. Plus, his video player...

Students investigate the linear dimension change of heated plastic film and relate the results to processing and service use of the materials. They calculate percent change in dimension as related to anisotropy and molecular reorientation.

A simple activity goes a long way in demonstrating the property of porosity to your rock hounds. They will mass a specimen of dry sandstone and then soak it in a pre-measured amount of water. After seven minutes, they once again measure...

Pairs simulate the energy usage of different countries by drawing beads from a bag, which contain different beginning ratios of non-renewable and renewable energy resources. The activity concludes with a series of questions to tie...

A series of math and science activities feature M&M's® as manipulatives to help kids work through equations. The resource includes exercises on finding averages, percent of compositions, moles in chemical reactions, genotypes and...

Students become part of the solution as they practice figuring percents. The number of men versus women present in the room and their heights can be used to form the basis of this investigation.

For this enthalpy of reactions worksheet, students use a known amount of copper (II) sulphate solution and an excess of zinc powder to calculate the enthalpy change of the reaction. Students measure the temperature change over the course...

Students review basic math skills, such as addition, subtraction, multiplication, division, finding averages, and working with percentages. They see how these skills apply to real life situations.