Illustrative Mathematics
Converting Square Units
Jada has a rectangle board that is measured in inches. Young learners confirm their understanding of converting inches to feet. Then they find the area in square feet. Jada thinks she has a short-cut to convert inches square to square...
Curated OER
Hand Lotion Analysis
Students prepare a sample of a commercial hand lotion for analysis by HPLC to determine the percent composition of two common cosmetic preservatives, methylparaben and propylparaben. They perform the analysis and the data is evaluated to...
Curated OER
Math in English Skills IX Exercise Book
Wouldn't it be great if you had a packet of worksheets that covered percents, adding, dividing, and comparing fractions and decimals? Click here and print a workbook with over 20 well-scaffolded pages that will help your class practice...
American Documentary
The Benefits and Drawbacks of Plea Bargains
The outcome of 90 percent of criminal cases in the US is determined by plea bargains. Clips from the documentary Better This World create the backdrop for an investigation of the benefits and drawbacks of the plea bargaining process....
PBIS World
Problem Behavior Questionnaire
It can be frustrating for a child and teacher alike when a problem behavior arises over and over in a classroom. Analyze when, where, and why the behavior is occurring with a questionnaire, in which educators mark the percent of the time...
Curated OER
Ratios, Rates and Percentages
In this ratios, rates and percentages worksheet, 6th graders solve 16 different types of problems that include writing each ratio as a decimal and a fraction in lowest terms as a percent. They also arrange numbers in ascending order and...
Curated OER
Percentages
In this percentages worksheet, students read about how to express numbers as fractions, convert to decimal form and find the percent. They practice by solving four problems using the method they read about.
Curated OER
Percentages Introduction
In this percentages learning exercise, students color 25% of 100 small squares blue, 35% red and 30% yellow. Students figure out how many squares they have left and then what percent of the 100 squares are left. Students then work out 5...
Curated OER
Converting Fractions to Decimals and Percents
Teaching your students how these mathematical concepts relate to each other can be done by using a very familiar manipulative.......coins!
Curated OER
Finding the Percent of a Number in Fish Body Weight
Students use fractions to find the weight of fish. They use percentages to determine the correct amount to feed them. They organize their data into a graph and shares with the class.
Curated OER
The Discount is Right
Students visit various websites and calculate various prices of five items. They estimate the sale price of five items using the original price and discount rate, use percent to calculate the rate of discount and the original price, and...
Curated OER
Decimals to Percentages
In these two math conversion worksheets, students convert decimals to percents from zero percent to ninety-eight percent. Students solve 36 problems.
Curated OER
Percent Mass, Moles, and Avogadro Worksheet
In this moles activity students complete a set of calculations to find how many atoms and moles are in different substances.
Curated OER
Percentages: Decimals To Percent
In this percentages worksheet, students write twelve decimals as percentages and twelve percentages as decimals. Students check their answers with the key when they are finished.
Curated OER
Percentages: Fractions To Percent
In this percentages learning exercise, students write eighteen fractions as percentages. Students problem solve each fraction as a percentage.
Curated OER
Grade 5 Math: Fractions, Decimals, Percents 2
In this grade 5 math activity, 5th graders write each fractional value as a decimal. They fill in 10 blanks with the proper values.
Noetic Learning
Converting Fractions to Percents
In this fractions and percentages activity, students solve 6 problems in which a fraction is converted to a percentage. There are no examples.
Curated OER
Unit 2 Quantities Review
In this quantities in chemistry activity, students solve 13 review problems about percent composition, significant digits, the mole, simple and molecular formulas, balancing equations, stoichiometry, limiting reagents and percent yields.
Curated OER
Home Sales Records
Teach your class how to calculate monthly payments on a home mortgage. In this percent lesson, young scholars calculate the monthly payment on a home mortgage, and compare different lengths of time and the interest rates for national...
NASA
Resolving 2-Plane Traffic Conflicts by Changing Speed—Problem Set E
What do you do to change arrival times of airplanes when a different route is not available? The fifth interactive in a series of six presents problems where pupils must find solutions to conflicts of safety rules. They must decide how...
Mathematics Assessment Project
Sale!
Let's save some money! High schoolers investigate different options for price reductions. They then determine the best and worst sale from a list of options.
Balanced Assessment
Sales Tax Table
Sales tax rates vary; do the math to find the right rate! Pupils use before tax amounts and after tax amounts to determine the tax rate. Rounding makes the task challenging.
Royal Society of Chemistry
Aspirin—The Wonder of Medicine
What do aspirin and the willow tree have in common? Scholars of chemical synthesis engage in a fascinating reaction to make their own aspirin samples. The lab uses thin layer chromatography analysis, includes stoichiometric calculations,...
Kenan Fellows
Density
Most scholars associate density with floating, but how do scientists determine the exact density of an unknown liquid? The third lesson in a seven-part series challenges scholars to find the mass and volume of two unknown liquids. Each...
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