Curated OER
How Credit Card Interest Works
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...
Curated OER
Common Procedure Costs
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...
Illustrative Mathematics
Should We Send Out a Certificate?
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...
Illustrative Mathematics
Lake Algae
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...
Illustrative Mathematics
Sharing Prize Money
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.
Illustrative Mathematics
Battery Charging
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...
Curated OER
Pairs of Whole Numbers
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.
Balanced Assessment
Stock Market
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.
Curated OER
Creating a Thematic Map
Students create and analyze a weather-related data table and a thematic map based upon information provided.
Curated OER
Voter Turnout
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...
Curated OER
The Art of Interpreting Percent
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...
Curated OER
Inscribing a Hexagon in a Circle
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...
Curated OER
Money Percentages Matching
Students practice identifying coins and their respective percentage.
Curated OER
What Percentage...? #2
In this percentages practice worksheet, students read an instructional section and then solve 2 multi-part problems that require them to find percentages.
Curated OER
Arithmetic: Decimals, Fractions and Percentages
In this arithmetic learning exercise, students convert fractions to decimals and percents. This two-page learning exercise contains 30 problems. Many of the problems can be computed mentally. Answers are provided.
Curated OER
Percentages (English Money and Metric Measures)
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.
Curated OER
Percent/Percentage Word Problems (Part 4)
For this Algebra I worksheet, 9th graders solve word problems involving percent of profit or loss. The one page interactive worksheet contains six problems. Answers and a hint are provided.
Curated OER
Introduction to Percentages
In this percentages worksheet, 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 activity that...
Curated OER
Problem Solving Using Percentages
Students explore the concept of percentages. In this percentages instructional activity, 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...
Curated OER
Ratios and Percents
Sixth graders practice finding percentages, converting them, and analyze percentage statistics and facts about rice. For this ratios and percentages lesson, 6th graders read information about percentages related to rice. Students...
Curated OER
Law of Large Numbers - Hospital
Students explore concepts of probability and independent events. They develop a formula for deviation percentage.
Curated OER
Finding Total Given Part and Percentage
Learners 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...
Curated OER
Percentage Game
For this math worksheet, students find the winning values of the percentages while playing the game of percents using the wheel organizer.
Curated OER
Percentages
In this percentages instructional activity, students study the information and examples on a one page text. Students then solve 14 problems in which decimals and percentages are converted. Students also convert percentages to fractions.