Middle schoolers use ratios and proportions to represent quantitative relationships as they investigate the concept of how percentages are used by designers. Students decorate the same room using three different percentages of colors.

Convert a table to probabilities. Pupils set up the winning rules for the sums of two dice. Using the rules, the applet fills out a table showing the winners for each combination. Learners determine the probabilities of winning for each...

Far out — plan a trip to space! Aspiring mathematicians steer a space vehicle through an asteroid field, calculate currency exchanges to buy provisions, and determine placement of charges to blow up asteroids. Along the way, they learn...

The 15th lesson in the series of 24 helps your classes understand the ppm (part per million) unit of measure. First, scholars experiment with food coloring to determine concentrations before applying their findings to calculate...

Pre-algebra—all wrapped up in one place. The eBook contains everything needed to teach a typical Pre-Algebra course. Concepts in the course build upon previously learned concepts, allowing mathematicians to see the connections between...

Students discover how to convert fractions to decimals and percents. They play the role of a shopper to complete this activity.

Pupils analyze how to calculate averages, and discuss the use of averages in baseball. They calculate averages and decimals to thousandths using the data on baseball cards.

Students distinguish between proper and improper fractions. They create a "Character Clue Box" that represents a fraction. Fractions are picked from a hat and then groups go outside and search for items that represent their fraction....

Students use percents to solve problems, see math in the real world, and make reasonable choices pertaining to percents.

Students explore the concept that when money is borrowed, people pay to use it because someone else is losing an opportunity to use it while they have it. What you pay to use the money is called interest. The rate of interest is a...

Aspiring statisticians create tree diagrams and figure probabilities of events based on those diagrams. They practice adding and multiplying fractions and explain complementary probabilities. Students use computers activities to make...

Students examine how driving a hybrid car can save money and cut down on pollution.  In this hybrid vehicles lesson students complete an exercise that shows them how to work with proportions, percents, dimensional analysis and...

Young scholars test their knowledge of the Wright Brothers and their aircraft, and compute ratio of two numbers to determine the ratio between wing span and length of aircraft.

In this math review instructional activity, students complete problems including simplifying, rounding, decimals, fractions, and more. Students complete 19 problems.

Students play a Jeopardy type game to review math concepts. They review five topics: Number Sense, Fractions and Whole Numbers, Geometry and Measurement, Decimals and Percents, and Algebraic Thinking.

Learners observe and discuss cloud cover. They identify percent of cloud cover, calculate cloud cover by fraction and convert to a percent, and compare their models with the current real sky cloud cover.

Students experiment with several chaotic simulation, they build a working definition of chaos. Students reinforce their knowledge of basic probability and percents. They are reminded of previous knowledge that is pertinent to this...

Learners collect data and make a frequency table, change ratios into percents, and analyze data to make predictions.

Young scholars complete a worksheet using M & M's to calculate percentages. They are given demonstrations by the teacher to know how to complete the activity.

In this Number System worksheet, learners solve thirty problems using mental math and ten with a calculator.  Students also classify numbers as rational or irrational.

Students explore the concept of Venn Diagrams through word problems. In this Venn Diagram lesson plan, students solve word problems about groups of people using Venn Diagrams. Students use survey results about MySpace and Facebook in a...

This hybrid worksheet connects mathematics to a science class. Learners practice solving problems that involve making a variety of conversions. An assortment of questions hits all the calculations needed for a middle school or beginning...

Review operations related to rational numbers and integers using the include PowerPoint presentation, "Interesting Integers." Young mathematicians classify rational numbers as being natural, whole, or integers and read an article about...