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 investigation helps students clarify economic performance measures. These include: percentage changes in the Gross Domestic Product or the Consumer Price Index, how the labor force is measured, the meaning of employment and...

A instructional activity unit where learners analyze long-term weather data for Phoenix to look for changes that have occurred over time. They look at factors that would cause climate warming, including greenhouse gases and other...

The world's roundest object helps solve the longest running problem in measurement- how to define the kilogram. A kilogram isn't what it used to be. Literally. The name, weight, and definition of a kilogram has been changing constantly...

Students understand statistical concepts like center of data and the amount of data variation from the center. They calculate the measures of the center of a distribution and the measures of spread for the data collected as a list....

This site has a speech given by Alan Greenspan December 5, 2000. It discusses the economic changes the United States had undergone in the 1990s. The reading is sophisticated, but some of the information is written to be accessible to...

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

Scrolling down towards the bottom of this site, there are equations, diagrams, and some general information concerning price elasticity of supply.

In these KQED Lowdown infographics, explore how adult obesity rates in the United States, as measured by body mass index (BMI), have dramatically changed in the past half-century. A circular graph and a pictograph depict data by decade,...

This video teaches the concept of Productivity, which is measured as the quantity of output per unit of input. Watch the brief video and take the interactive quiz to assess what you have learned. [1.47]

Find out all about units, measurements, and error when it comes to measuring matter.

In this week's Afterschool Adventure, children will practice and explore strategies for solving addition and subtraction problems, such as using counters and rulers, performing mental math, and drawing pictures. As children encounter...

Students, teachers, and parents alike will enjoy this challenging math site. It contains a clever brain teaser section plus creative problems related to algebra, geometry, measurement, numbers, statistics, and probability. A Spanish...

The concern over obesity in children in the United States is staggering. This site provides research and statistics along with suggesting ways to change the epidemic. Includes video.

Surface tension accounts for many of the interesting properties we associate with water. By learning about surface tension and adhesive forces, students learn why liquid jets of water break into droplets rather than staying in a...

A learning module on how happiness is measured through an economic lens. It includes several supporting questions accompanied by formative tasks and source materials, followed by a summative performance task. Topics covered include why...

As the United States entered the twenty-first century, old disputes continued to rear their heads. Some revolved around what it meant to be American and the rights to full citizenship. Others arose from religious conservatism and the...

In this chapter, you will learn about the following: Tracking inflation, How changes in the cost of living are measured, How the United States and other countries experience inflation, The confusion over inflation, and Indexing and its...

This lesson focuses on total utility and marginal utility including definitions and examples.