Students begin the lesson by examining Census data from the state of Ohio from 1990 and 2000. Using a worksheet, they solve problems using the data and a calculator. They share their responses with the class and discuss what the data...

Students identify the concept of an element and work with an idea that all of the millions of substances on the earth are various combinations of only 8 elements. They work with the Periodic Table of the Elements and symbols of the...

Students are introduced to the concept and components of a habitat. They discuss the key components of a habitat and describe how certain factors can cause disturbances in a habitat and change its population. Activities are leveled for...

In this math worksheet, students solve 24 word problems about UK pounds and pence. These problems about English currency involve decimals and fractions.

In this water worksheet, students determine the factors that effect the solubility of gases, calculate the percent concentration of solutions, and give the balanced chemical equation for photosynthesis. This worksheet has 18 short answer...

In this energy conservation instructional activity, students answer questions about energy sources and energy use. The instructional activity includes both true/false and multiple choice questions. There are 22 questions with answers.

In this biology worksheet, students complete a five question multiple choice on-line interactive quiz about animal and plant biology.

In this foods learning exercise, learners complete a five question multiple choice online interactive learning exercise about foods that we eat.

Students study the origins and background of the pecan.  For this agriculture lesson students divide into groups, complete an activity and worksheets.

Students examine water, its function and how much you should consume.  In this water lesson students study water and why it is important, how much you should drink and what its functions are in your body. 

The five question question assesses learners on percentages and proportions. Hints are available to help students solve the problems.

Students learn about and practice converting between fractions, decimals and percentages. Using a LEGO MINDSTORMS NXT robot and a touch sensor, each group inputs a fraction of its choosing. Team members convert this same fraction into a...

You can pick up some valuable percentage pointers on how to work with them. When you finish working your way through the pages, you can take an on-line "Test Bite" and check your understanding.

Use this site to learn about percents, and how they relate to decimals and fractions with this interactive online lesson. You will learn about percents, convert percents into fractions and decimals, and find equal parts of a whole.

This lesson will demonstrate how to find a percent, a part, or the whole of a percent proportion problem. It is 1 of 4 in the series titled "Finding Percentages."

Have you ever seen an item that you wanted on sale for 15% of its original price? Have you tried to figure out what the sale price would be? Using this interactive lesson from T.V. 411, you can learn to calculate discounts with percentages.

[Free Registration/Login may be required to access all resource tools.] Learn how to convert between percentages, decimals, and fractions.

Print or create worksheets or flashcards to assess students' understanding of ratio concepts, useage of ratio reasoning, and percentages.

An example explains how to find the percent of a number. Students then check for comprehension by completing practice problems.

Despite seventy percent of the world's surface being covered with water, there is a potential shortage of this natural resource. Only a small percentage is fresh water and much of that is inaccessible or threatened. Learn about fresh...

This TV 411 segment features a lesson from Question Man on how to informally calculate 15% tips at restaurants.

College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.

Use Glencoe's randomly generated self-checking quiz to test your knowledge of estimating with percents. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It"...

Use Glencoe's randomly generated self-checking quiz to test your knowledge of percents and decimals. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It"...