Who isn't interested in shopping for food? Set up two markets in your math class: HalfFoods and DJ's, then send the kids off to compare prices. Occasionally throw a discount into the mix! Through this experience, seventh graders practice...

The question of the year is, "How much money do I need to attend the seventh grade dance?" Considering costs of clothing, dinner, and admission, learners compute sales tax and tips to add in for a final price. This task is intended to be...

What a fresh approach to learning about water! Chef Jamika Pessoa explains the chemical composition of this vital compound, what happens when heat is added or removed, and how much water is contained in different organs and...

Of particular interest to a group of business and finance pupils, this lesson explores depreciation of automobile values by comparing the double declining balance to the straight line method. Mostly this is done through a slide...

A scenario is presented for chemistry techs to address. Using titration techniques, they must analyze hydrogen peroxide solution samples. They evaluate accuracy and precision in the process. They also gain experience consulting the MSDS...

Aspiring astronomers study stars. They compare stars and explain the relationship between radius, mass, and diameter. By creating a star simulation, they discover how a binary star system's orbit can cause changes in the observed...

Sal uses two 100 cubes and continues the process of describing what percents mean. He shades the cubes to show 109%, reviews vocabulary, and references the connection between percents, fractions, and decimals. Great for introducing the...

Sal clarifies what it means when students see a percent problem such as 100 is what percent of 80? He explicitly defines what each component of the problem literally means and then clearly breaks down the process for solving the problem.

Unfortunately the world isn't fair, but exactly how unfair is it? In this cross-curricular lesson, young mathematicians explore the uneven distribution of wealth in the United States, using their knowledge of percents and proportions to...

Post the names of movies that have sequels around the room and ask questions, which the students will answer by going to stand by the name of the movie that fits best. Then work with your class to analyze revenue from each film and...

Eight problems get seventh graders selecting the likelihood of certain real-world events occurring. They relate the probabilities in fraction, decimal, and percent form. No answer key is provided, so make sure to create one prior to...

Exactly how fair is the World Cup? Even though all teams have the same number of players and follow the same rules, there are other factors that come into play. This series of three lessons explores the impact that income inequality,...

Demonstrate for your sixth graders how to use a ratio table and to calculate percentages with this brief introduction. Using the real-world question of text scores, your class will practice these new skills.

Sam bought tickets for a school raffle and wants to know if he has a good chance of winning. Help him find out with this step-by-step presentation on basic probability. Examples clearly model how to find the probability of simple events...

Cross multiply and solve for the unknown variable in this proportion problem. Then use the division property of equality to isolate that variable and get your solution.

The objective of this activity is to find the percent of the area of a two squares overlapping. Mathematicians find the ratio of area for the part that overlaps to the rectangle formed. The final answer is a percent as a rate per 100....

Your class is to find the percent of the lot that is not covered by a house. Make sure your pupils understand the problems before they begin. The lot is the whole of the percent problem and the house is the part. The exercise is good...

Taxi! Have your travelers figure out how far they can go in a taxi for $10.00. They must account for the mileage rate and tip in their calculation. They can set up a table or make an equation to solve for the exact mileage they can...

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. 

Everyone loves a sale, and this worksheet allows learners to calculate which sale is more rewarding. The activity can be adapted for different thinking contexts. The answer key describes different answer choices, some being higher...

Middle schoolers apply math to the real-world skill of choosing the correct shielding gas mixture for welding. Even if you do not have shielding gas cylinders on hand for demonstrating, the concepts of converting percentages into...

Many math concepts are covered through this resource: percentages, decimals, ratios, exponential functions, graphing, rounding, order of operations, estimation, and solving equations. Colorful worksheets and a link to a Google search for...

The lesson plan provides a richly detailed narrative and sample problems for teaching or reinforcing how to work with percentages. In particular, your audience will compute the costs per serving of food and simulate setting menu prices...

Learners who view this video will gain a stronger understanding of percent of change. The tutorial provides a formula and a sample problem. As the tutor completes the example, she explains and clarifies each step that she takes to find...