This unit is about making calculations in the real life situations of taxis, hire cars, and cell phones. They find and justify a word formula which represents a given practical situation. Solve simple linear equations such as 2? + 4 = 16.

Students, by exploring a simple investigation system, see how technology can allow people to extend their senses and "see" beyond the world of their natural vision.

Students act as forensic scientists to help solve a long-standing missing persons case. They study nuclear DNA and mtDNA.

Students examine the Chinese and Japanese conceptions of "insiders" and "outsiders" and how this affects the attitude toward foreign traders from the 6th to the 16th centuries. Lesson extensions are included.

Students compare the difference in the amount of fat and its flavor, by pan frying ground beef patties between three different kinds of ground beef - regular, lean and extra lean with different prices. They study basic information about...

Students accurately measure the relationship between radiation dose and either survival or some genetic event such as mutation or recombination. They investigate the damage that was done to the DNA molecule as a result of exposure to...

Seventh graders perform a dissection on a mussels and label their internal organs. In groups, they compare and contrast the mussels structure to those of human beings. They also review the functions that are necessary for survival and...

Students compare and contrast fossil fuels and bio-fuels. They brainstorm what mining might look like in the future. Students view the film "A Day in the Life of a Coalminer." They discuss fossil fuels and the methods of extraction....

Students learn about the many types of expenses associated with building a bridge. Working like engineers, they estimate the cost for materials for a bridge member of varying sizes. After making calculations, they graph their results to...

Students will learn about the importance of knowing the cost of living when considering a move to a new city. Content brought to you by our partner, Better Money Habits.

Relocating? Need reliable cost of living comparisons? A great source of information on cities across the US. You can compare two cities side-by-side.

In this opinion piece, Michael Jacobson discusses juvenile justice and how young offenders should be treated in comparison to adult offenders. [Free account registration required for specific tools.]

Simulation where learners apply mathematics and economics concepts in the lemonade business. Learners set up a virtual lemonade stand and must determine production costs, product variables, and profits. Students record data collected on...

Here is an article discussing unit price. The article talks about buying in bulk and buying store brands to receive the same product for a lower unit price.

This lesson could be used as an introductory lesson to introduce group comparisons. Being able to use data to compare two groups is an important skill. Students will sketch box plots using the data given about the cost of haircuts for...

Looks at the differences and similarities between a light microscope and an electron microscope. Discusses their structure, how images are formed, their resolution and magnification, how color is manifested, their portability, cost, and...

Explore US salary and cost of living comparison for 399 US cities and metro areas.

Factors concerning leasing vs. buying a business are discussed. Leasing advantages and disadvantages are covered as well as a cost comparison of leasing vs. buying.