Curated OER
Use Proprotions To Solve Word Problems
Eighth graders explore ratios and proportions and how they are used in day to day life. As an activity, they find their own heart rate and then take a survey of other heart rates in the room. After organizing the data, 8th graders use...
Curated OER
Percents
Learners explore the concept of percents. For this percents lesson, students discuss the prefix cent and words that contain that prefix. Learners make bead necklaces and determine the percentages of certain beads in relation to the...
Curated OER
Using Venn Diagrams
In this Venn Diagrams activity, learners complete and draw 10 different Venn Diagrams to match each problem as described. First, they determine the number of students who scored above half on math or science. Then, learners compare the...
Curated OER
Recipe For Disaster
Young scholars play an interactive game online to learn ratios. In this statistics lesson, students solve problems in an online game about ratio and relating statistics to the real world. This lesson provides hands on as well as teaching...
Helping with Math
Percentages: Calculating Percent - 2
Here is a worksheet on which math classes practice calculating the percentage of different numbers. Some of the percentages involve decimals, so this would not be an assignment for first-time percent calculators! You can print the...
National Research Center for Career and Technical Education
Salads
Lettuce talk for a moment about your culinary scholars; do they have what it takes to create a great salad? Show them the finer points of salad preparation with a career and technology instructional activity that combines direct...
Los Angeles County Office of Education
Assessment For The California Mathematics Standards Grade 6
Test your scholars' knowledge of a multitude of concepts with an assessment aligned to the California math standards. Using the exam, class members show what they know about the four operations, positive and negative numbers, statistics...
Mathematics Assessment Project
Optimizing Coverage: Security Cameras
Are you being watched? Class members determine where to place security cameras protecting a shop. They then evaluate their own and several provided solutions.
International Technology Education Association
Sizing Up the Clouds
How much rain can that cloud make? Through a simulation, the class estimates the amount of candy rain contained in different cup clouds. After probing the clouds using different methods, class members adjust their estimates. Participants...
Bowland
AstroZoo
Rescue animals in the zoo by applying math concepts. Groups of learners solve three missions involving oxygen, food, and climate control. Each group selects an animal from one of four bio-domes.
Curated OER
Calculating Total From Percents
Using this short review of finding a percentage of a number, learners can practice important skills. There are twelve questions on this learning exercise.
Curated OER
Take A Chance Or Two
A two-part lesson immerses young statisticians in the concept of probability. On the first day, will conduct experiments with a two-colored coin and learn how to write probabilities as fractions, ratios, and percentages. In the second...
Illustrative Mathematics
Anna in D.C.
The amount of tax and tip on a restaurant bill is a common example used in percent problems. Here, learners only know the total amount paid, and they need to figure the itemized amounts. Solutions using a ratio table, using knowledge of...
EngageNY
Percent and Rates per 100
What percentage of your class understands percents? Pupils learn the meaning of percents based upon rates per 100 in the 24th lesson in a series of 29. They represent percents as fractions, decimals, ratios, and models. The scholars...
Curated OER
Largest Hamburger Ever?
If a 150 lb. person can comfortably eat and digest a 1 lb. burger, then how large would the person be who can comfortably eat and digest a 350 lb. burger? For a burger that size, it would take either a large person or a class of really...
Virginia Department of Education
Partial Pressure
At some point, everyone has been under pressure—even Dalton! Explore Dalton's law of partial pressures with young chemists as they measure the volume of air extracted from a sample compared to its original volume. Class...
Curated OER
This is to That
Students look at ratio, what it means for numbers or objects to be in a given ratio, and how ratios and fractions are related. They write and solve story problems which involve whole numbers, using addition, subtraction, multiplication,...
Curated OER
Law of Large Numbers - Hospital
Learners explore concepts of probability and independent events. They develop a formula for deviation percentage.
Curated OER
Take Your Medicine 2
Real-world application of the finite geometric series. Sick? Need to take Ampicillin? How much is in the body at any given point in time as this medication is taken over the course of time. Use the formulas, make calculation, and graph...
National External Diploma Program Council
Numbers
The written form for 345 is three-hundred forty-five, where as the word form for 70% is seventy percent. Here, young mathematicians read 10 sentences and write the word form of each number in the sentences.
Curated OER
Basketball
Tap into the competitive nature of teenagers as your class practices setting up and solving rational equations. This activity starts with a specific ratio of games won to games played, then asks how many more games must be played to...
Curated OER
Technology, R&D, and Efficiency
For use in conjunction with the 2002 McGraw-Hill/Irwin US Economics text, this presentation highlights key points and important vocabulary. Specific economic concepts and theories, R & D expenditures, rate-of-return curve and...
Curated OER
What's In It?
Students discover the ingredients that make chocolate. They practice reading ratios and percentages. They also examine its value in relationship to its weight.
Helping with Math
Ratio and Proportion: Rates
Unit rates are introduced to your math minors on this printable worksheet, complete with answers. There are only three problems: the first involves biking speeds, the second the cost of bracelets, and the third the cost of apples....