Monarch butterfly populations have decreased by 90 percent over the past 20 years due to misuse and ineffectiveness of some pesticides. Given the challenge to increase pesticide safety and effectiveness, the class, through discussion,...

Sixth graders read and discuss background information and brainstorm reasons for wildfires. They use a Venn Diagram to list the similarities and differences between wildfires and prescribed fires and then track the weather forecast for...

In this scientific notation instructional activity, students perform basic math functions and express their answers in scientific notation.

Math wizards learn the five-step plan to solve math word problems. They investigate the five-step process for solving word problems, and examine the use of code words for each of the operations and solve a problem using the strategies.

Students solve problems by identifying the percent of area under the curve. In this statistics lesson, students discuss z-scores as they calculate the different percentages under the bell curve. They calculate the standard deviation.

Students review employment statistics and wages over the past 20 years. They examine the Federal Work Force Laws. They apply formulas to find the rate of change in the minimum wage.

Twelfth graders determine probabilities of real-life events such as life expectancies, winning a lottery ticket, and the break-even premium. They deduce what percent of markup is. Students are able to compare terms for financing a car...

In this money management learning exercise, students examine an advertisement for a bike and respond to 3 questions that require them to calculate percentages

Students calculate percentages. In this percentages lesson, students count the total number of floor tiles covering a given space, measure a designated section of the room, and then calculate the percentage of the room this area covers.

Which modification is the best? Using the scientific method, pairs determine the effects of each control surface on the distance of a glider's flight. The activity, section 16 in a 22-part unit on aviation, allows pupils to gain a better...

Explore the advantages to using a stem-and-leaf plot using an online lesson. Learners manipulate an animation to create a stem-and-leaf plot. They then calculate statistics for the data using their display. Guiding questions help them...

It's a jungle out there! Young biologists journey to Darien, Panama to examine the intricate relationships between the organisms that inhabit the jungle. Groups begin by demonstrating an understanding of energy flow in ecosystems, then...

Young scholars practice using proportions to discover the fraction needed to use the right amount of an ingredient. They calculate the number of ounces in one gallon as well. They answer questions to complete the lesson.

In this percentage problem worksheet, 7th graders find the percent of a number by changing the percent to a decimal and multiplying. Students' objective is to read through each word problem and change the given percent to a decimal,...

Teach your class how to calculate monthly payments on a home mortgage. In this percent lesson, students calculate the monthly payment on a home mortgage, and compare different lengths of time and the interest rates for national median...

Students study operations with real numbers using mental computation or paper-and-pencil calculations. They judge the reasonableness of numerical computations and their results. They set up and solve proportions for direct and inverse...

In this fractions to percents worksheet, students solve 6 problems, converting fractions given to percentages. Students may click on hint or check answer buttons.

Learners 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...

Students solve problems with percents, decimals and fractions. In this algebra lesson, students convert between fractions, percents and decimals. They estimate their answers and calculate their answer.

In this coordinates instructional activity, students solve the percentage problems in the box that is called out by the coordinate where they change the percentages to decimals. Students complete 16 problems.  

Ninth graders explore the concept of mixture problems. In this mixture problem lesson, 9th graders use beads to resemble liquids. Students mix different amounts of beads to create different percentages of mixtures.

Learners view a video clip on time travel. They work together to complete a worksheet on measuring time. They discuss the different perceptions of time.

Middle schoolers examine and compare traits of humans and crocodiles.  In this crocodile instructional activity students use a ratio to estimate the height of a person and compare that to a crocodile. 

In this data worksheet, students match information with the best type of graph to display it. Students also make a chart and graph to display information in a given paragraph.