If a random sample determines that 45% of students favor block scheduling, is it possible that the actual percentage might be 50% or 60%? In this task, learners use data from a computer-generated simulation to determine the plausibility...

Students design a census class and school, then tabulate the results. They respond to a sample census, then reflect on why questions of race and national origin are different.

Check out this thematic unit, based on the game of baseball. Learners investigate numbers and number relations as they become familiar with some of the basic terminology associated with the game. They focus their attention on actual...

Students experiment with an Excel spreadsheet model that demonstrates the effects of interest on payments. They calculate actual costs, interest paid, and time necessary to pay off credit purchases and draw conclusions about the...

Kids never think about the cost of medical expenses, because they never think they'll get hurt. To better understand personal financial planning, learners research common medical procedures and their costs. They use a worksheet and the...

Fred thinks his test score is high enough to earn him a certificate. Given the mean and standard deviation, use properties of normal distributions to calculate Fred's percentile ranking and see if he is right. Consider having your class...

Introduce learners to exponential growth with this real-world problem about algae that is rapidly spreading across a lake in a city park. The task presents the rate of growth and an end value and asks learners to determine what happened...

When three classrooms are to split up prize money, your mathematicians must find the percentage that each class deserves and calculate the total amount. There is an option to use a calculator and practice rounding. 

Your class will be very interested in the results of this activity. How long does it take a MP3 and video game player to charge?  Sam only has an hour and the MP3 player only has 40% of its battery life left. Plus, his video player...

Mathematical reasoning and linear systems are two of the strategies used to solve this number puzzle. Your learners will enjoy the challenge and the variety of ways to approach this challenge.

Analyze trends in the stock market using histograms. Future economists use data presented in a histogram to find periods of greatest increase and decrease. They also draw conclusions about days that would be best to invest.

Students create and analyze a weather-related data table and a thematic map based upon information provided.

Explore politics by analyzing the voting process. Pupils discuss the purpose of casting votes in an election, then examine graphs based on the data from a previously held election's turnout. The lesson concludes as they answer study...

Ddefine the relationships between fractions, decimals, and percentages in a series of lessons. The class practices converting between these three versions of a number. They also find the common factor of a numerator and denominator and...

This activity is a follow-on activity to inscribing a square in a circle. The overall problem is more complex. It deals with geometric constructions, properties of triangles, and regular hexagons. The final part of the activity...

Pupils practice identifying coins and their respective percentage.

For this percentages practice worksheet, students read an instructional section and then solve 2 multi-part problems that require them to find percentages.

In this arithmetic worksheet, students convert fractions to decimals and percents.  This two-page worksheet contains 30 problems. Many of the problems can be computed mentally.  Answers are provided.

In this percentages worksheet, students solve 11 problems. Students find the percentage of a number or of a measurement. All money on the page and all measurements are English pound or metric. No examples are given.

In this Algebra I activity, 9th graders solve word problems involving percent of profit or loss. The one page interactive activity contains six problems. Answers and a hint are provided. 

In this percentages learning exercise, students are introduced to the concept of percentages as another way to represent fractions and decimals. Students read the instructions and examples and solve 20 problems. This is an online...

Students explore the concept of percentages. In this percentages lesson plan, students find the percentages of various colored m&m's in their bags. Students find the cost of items before and after a discount. Students use proportions...

Sixth graders practice finding percentages, converting them, and analyze percentage statistics and facts about rice. In this ratios and percentages lesson, 6th graders read information about percentages related to rice. Students complete...

Students observe models of fractional parts. After writing the definitions of percent, part and whole, students use the calculators and computers to solve problems. Individually, they complete assigned problems where the convert the...