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Algebra Lab: Applications of Exponential Functions
Explains how exponential functions have applications in real-world scenarios, including a population of a city, the growth of bacteria, drug decay, and compounding interest. Includes four word problems to try, with hints and answers...
Consumer Financial Protection Bureau
Consumer Financial Protection Bureau: Saving for Post Secondary Education
Students use an online compound interest calculator to answer questions and create charts that show the value of saving money over time for future education goals.
CK-12 Foundation
Ck 12: Algebra Ii: 3.9 the Transcendental Number E and Natural Log
This section introduces the transcendental number e which is a special number that is considered a natural base. In addition to exploring how to simplify and solve equations with e, this section also investigates how it can be used to...
Yale University
Solving Problems by the Hundreds
This site contains a study of percentage and its applications in the study of consumer related problems. Problems involving sales tax are included. Examples, explanation, solutions and a bibliography are also included in the site.
Other
Sierra College: Elementary Algebra Review Sheet and Common Formulas
This review sheet includes important rules, properties, formulas, and equations needed to solve many Algebra problems.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
Math Is Fun
Math Is Fun: Solving Word Questions
A tutorial that explains how to solve word problems. It points out key words that signal operations or what is being measured, and wording that is confusing and needs to be simplified. Presents lots of examples, both simple and complex,...
Other
Reach for Unbleached
A Canadian group that works to stop the use of chlorine compounds for bleaching in the paper industry. Interesting, but with a definite bias.
Calculator Soup
Calculator Soup: Investment Account Calculator
Calculate the future value of an investment account that has periodic contributions, withdrawals, and a constant interest rate compounded daily.
Hopelink
Hopelink: Teaching Percentages
Students can brush up on percentage skills with this lesson and calculate percentages using the "Percent Tricks method." For students to successfully use this method, they must have the ability to multiply and divide whole numbers.
Yale University
Yale New Haven Teachers Institute: Commission
This site from Yale University provides a description of commission with example problems. Additional topics can be found on the same page.
Yale University
Yale New Haven Teachers Institute: Solving Problems "By the Hundreds"
The Yale-New Haven Teachers Institute site contains various math exercises relating to percentage and consumer-related problems. An explanation of sales tax, a related problem and answer are given.
Concord Consortium
Concord Consortium: Exponential Growth
Students learn about exponential growth in real-world situations.
CK-12 Foundation
Ck 12: Algebra: Applications of Exponential Functions
[Free Registration/Login may be required to access all resource tools.] This lesson covers how to use exponential functions in real-life situations. Students watch a video tutorial, explore guided notes and attempt practice problems.
National Council of Teachers of Mathematics
Nctm: Figure This: Play Ball
Make a table to figure out if a baseball valued at $3000 in 1927 is worth more than a baseball valued at $3 million in 1999. Which is a better investment?
Calculator Soup
Calculator Soup: Savings Calculator
Calculates the future value of your savings account. With a starting balance and regular deposits, learn how much can you save.
Teaching Treasures Publications
Teaching Treasures: Year Eight Nine Math (Page 3)
This interactive worksheet focuses on math concepts such as algebra, measurement, geometry, problem solving, and number sense. Answers to questions are available immediately and can be printed. Help links are also available to learners...
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