This curricular unit contains two lessons that let students actually do the work of scientists as they design their own experiments to answer questions they generate. In the first lesson and its associated activity, students conduct a...

A helpful source to look up information on any company listed in the NASDAQ. Current price of stock, percentage change in price, and charts showing stock performance over various periods of time are available.

This map from the United Nations is a very detailed map of the Okavango River Basin, showing rivers, wetlands, cities, country boundaries and much more. Increase the viewing percentage to read the map easily.

Find out how probabilities are written as fractions, decimals or percentages on a scale from 0 to 1. Knowing basic facts about equally likely outcomes can help to solve more complicated problems.

Here's a great map that shows all the different ethic groups in Central Asia with pie graphs for each country showing the percentage of the groups.

This interesting map of India from the Perry-Castaneda Collection shows the three major language families in India along with the percentages of the minor religions in the country.

On this fascinating map of India from the Perry Castaneda Collection, you can read bar graphs that show the percentage of religions practiced in each state and union territory of India.

An interesting map showing the distribution of the major religious groups, the tribal areas, and pie graphs showing the percentages of ethnic groups and religious sects. From the Perry-Castaneda Collection.

Students learn how to convert from fractions to percentages.

In this activity, students examine research on finches on the island of Daphne Major in the Galapagos Islands. The depth of the finches' beaks was measured before and after a drought. This data is displayed in graphs and students are...

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

Coin Tossing shows a person flipping a coin and asks the student to describe coin-flipping as a decision making option.

In this video segment from TV 411, learn how to read nutrition labels on food containers and calculate the calorie content of different serving amounts.

This lesson provides basic instruction on the major concepts in algebra. Content includes a focus on fractions, units of conversion, complex numbers, quadratic equations, factorization and roots of polynomials, solving equations, systems...

This task challenges students to demonstrate an understanding of the relationship between fractions, decimals and percents.

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.

A large collection of links to interactive activities and games on the topic of decimals.

Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of the percent of change. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the...

Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of using estimation with percents. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page...

Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of using percent equations to solve percent problems. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the...

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"...

Use Glencoe's randomly generated self-checking quiz to test your knowledge of percents and fractions. 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 Math Course 2 randomly generated self-checking quiz to test your knowledge of percent discount and sales tax. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page...