Making inferences isn't an exact science. Using data about salaries, learners investigate the accuracy of their inferences. Their analyses includes simulations and randomization tests as well as population means.

Learners, through various activities, explore online databases. Using the internet, students explore the distributors websites. They collect specific information on selected products. An spreadsheet with price comparisons is developed....

Middle schoolers calculate ancient Greek coin values as compared to their weight, and equivalence in grain. They then determine their worth today. They convert metric to U.S. customary weight systems.

In this comparing numbers worksheet, students complete several word problems by subtracting the number from the table for the school supply costs. Students subtract to compare the prices of the items.

Students create an Excel spreadsheet that show a budget for a trip to Africa to see wildlife. In small groups, they complete internet research to determine the countries and sites to visit then calculate the costs involved for the trip....

Students use data collection and analysis, statistics, and probability in problem-solving situations and communicate the reasoning used in solving these problems.

Learners examine newspapers for graphs. They collect and sort data that is of interest to them. They enter data into a database and make comparisons using the information.

Students run a computer simulation and collect data as they work and use the data to create an annual report for their business. It is desirable for students to do this project individually, but it could be done as a class using a large...

Second graders become involved in the advertisement, marketing, and development of their own cookie business. Students must choose a job for the preparation and baking of the cookies. Students also manage the profits and advertisement of...

Tenth graders investigate volume in class and in the real world. They explore volume of cylinders and prisms as it relates to different subjects. Pupils also investigate how important volume is in different career field.

Students access the Internet to search for housing prices in Houston, Texas,(the location can be changed to accommodate any location) and compare the prices to the number of square feet found in the living area of a house.

Students compare eggs to other foods as a cost-effective protein source. They use formulas to determine prices in a worksheet and in local newspaper ads.

Students consider what things cost 150 years ago and what those costs would be in today's money. They compare costs and services between the 1850s and today to find out if things are cheaper or more expensive today, in inflation-adjusted...

Young scholars work in groups and plan a garden within a budget. They investigate appropriate plants for their area, compare and report prices. As a group, they consider the shape, size, type of soil, and draw a layout of the planned...

Students add and multiply decimals to complete gas choice worksheets. They discover which gas supplier has the best gas prices. Students collect and interpret data about local natural gas suppliers and use this information...

In this consumer math activity, students working in small groups allow one member to choose two items. They add up the prices either mentally or using pencil and paper. They announce the answers in order to check the work.

In this math worksheet, students solve the word problems in order to solve the problems using percentages. They apply the percent proportion.

Students investigate ratio and proportion as they solve problems. In this algebra lesson, students calculate the percent increase on salaries and convert between decimals and percents to calculate. They rate job positions from 1936...

In this problem solving worksheet, students examine 2 math word problems taking care to decide whether they should estimate answers or find exact answers

In this stem-and-leaf plots worksheet, 9th graders solve and complete 9 various types of problems. First, they determine the mean, median, and mode of the stem-and-leaf plot shown. Then, students summarize the similarities and...

High schoolers explore how marketers use the idea of "cool" to sell clothing and accessories, and become aware of their own attitudes and perceptions about what is cool. They become aware of what motivates them to buy certain things

Second graders add and subtract amounts of money.

In this ratio and proportion instructional activity, students read problems and solve proportion problems. They determine the best buy and identify the ratio of different sized polygons. This four-page instructional activity contains 7...

Middle schoolers research percentages in real world situations. In this percents lesson, students demonstrate their ability to apply percents to everyday situations. Middle schoolers communicate mathematically by conducting interviews...