Curated OER
A Statistical Look at Jewish History.
Eighth graders study the relationship between fractions, decimals and percentages by completing activities. In this research analysis lesson, 8th graders look at different websites to figure out  Jewish populations in different situations. 
Curated OER
Multiplying Decimals and Mixed Numbers
Students multiply decimals and/or mixed numbers.  They explore the effects of multiplying decimals and mixed numbers.  They practice estimating answers when a number is multiplied by a decimal or mixed number.
Curated OER
Doing The School Run
Students explore finding the percent of a numbers. They survey their peers to determine modes of transportation used in getting to school. Afterward, students organize information and create graphs and charts. They explore alternative...
Curated OER
Number and Number Relations: Lesson 2
Eighth graders recognize or compute decimal equivalents of fractions.  They recognize or compute the percent equivalent of decimal fractions.  They relate fraction, decimal, and percent equivalents and recognize decimal equivalents.
University of Wisconsin
Identifying Your Soil for Rain Gardens
Teach your class the descriptive characteristics of soil. Provide information about particle size and a flow chart for assessing texture. Soil scientists then analyze samples and hypothesize which would be the best type for a rain...
Virginia Department of Education 
Laboratory Safety and Skills
Avoiding lab safety rules will not give you super powers. The activity opens with a demonstration of not following safety rules. Then, young chemists practice their lab safety while finding the mass of each item in a mixture and trying...
Curated OER
Ratios, Unit Rates, and Proportions
Explore the concept of ratios, unit rates, and proportions. Learners convert fractions and percents to decimals. They discuss rates and where they can be found in the real world. A hands-on experiment and numerous flash cards and...
Curated OER
Find the Fraction, Decimal and Percentage
Students review how to find percentages from decimals and fractions. Using photographs, they determine the percentage, decimal and fractions of different criteria. They use a calculator to change the form of the rational numbers as well.
Curated OER
Teaching Percentages
Students calculate percentages using the Percent Tricks method. They multiply and divide whole numbers. They count total number of candies in a bag and calculate the percent of each color.
Curated OER
Environment: Water & Air
The introduction to the lesson mentions a sailor's limited capacity to store drinking water on his ship. Pupils then set up an overnight experiment to remove freshwater from salt water by distillation. There is a math and map activity to...
Curated OER
Batting the Unknown
Students use batting averages to provide a measure of a player's past success. They use Algebra to calculate required performance to improve the average. Students compare baseball batting statistics early in the season and late in the...
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
Sales Tax
Students explore the concept of sales tax. In this sales tax lesson, students work in groups to spend $500. Students calculate the discount and sales tax on each item. Students buy between 5 to 10 items.
Curated OER
Different Perspectives of Oregon's Forest Economic Geography
Students map data on employment in wood products manufacturing in Oregon counties. In this Oregon forest lesson, students discover the percentage of people employed in the forest manufacturing industry. Students create a box and whisker...
Curated OER
Probability
In this probability worksheet, 8th graders solve 10 different problems that include determining a probability of events as a percentage. First, they determine the probability that a marble drawn will be green. Then, students determine a...
Curated OER
Mining an Ore
Students investigate how to determine the percent composition of a mineral in an ore. For this mining an ore lesson plan, students use chocolate chips cookies to represent an ore and they remove precious minerals (the chocolate chips)...
Texas Instruments
Math TODAY for TI-Navigator System - Is Leisure Time Really Shrinking?
High schoolers organize data from the USA TODAY Snapshot, "Is leisure time really shrinking?" into two scatter plots and determine the quadratic model for each scatter plot. They determine if these graphs intersect and learn the concept...
Curated OER
False Positive Problems
In this algebra learning exercise, students explore the concept of being tested for a disease and getting a result of a false positive. They calculate what the chances are of getting a false positive.
Curated OER
Graphing Data
In this graphing data learning exercise, students solve and complete 8 different word problems related to graphing data given. First, they determine the percent of people who do not believe in any of the phenomena described and explain....
Curated OER
Limiting Reagent Practice Problems
In this limiting reagents worksheet, students solve 10 problems. They calculate limiting reagents, they calculate percent yield of particular compounds and they determine how much of products can be produced based on the limiting reagents.
Curated OER
Precise Diode Circuits
In this electrical circuit worksheet, students construct a model of a diode circuit to demonstrate understanding. They analyze schematics and answer a series of 13 open-ended questions about diode circuits. This worksheet is printable...
Curated OER
M&M Caper
Students participate in a game with M&M's to be introduced to percents and ratios.  Individually, they estimate and record the number of candies they believe the bag holds and the amount of each colored candy.  They open the bag and...
Curated OER
Skittle Around with Fraction and Percentages
Fifth graders investigate the interchangeable relationship betweeen fractions and percents. They discuss the concepts using teacher provided questions. Then sutdents work in cooperative groups to maximize scaffolding.
Curated OER
Not Everything is More Expensive
Students explore percent increases and decreases. They calculate the percent increase and decrease. Students use math to solve problems and communicate. They apply the given formula for percent increase/decrease.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
