Students construct ratios using the hand as data. They use examples of cortical and trabecular bone found in the long bones to measure circumference, diameter, length, and weight of long bones. They perform computations using growth...

Students perform activities involving ratios, proportions and percents. Given a newspaper article, groups of students count the number of letters in a given area. They use calculators and data collected to construct a pie chart and bar...

Middle schoolers identify and interpret various ways of expressing probability as a decimal, fraction, percent, or ratio. They solve problems based on probability as they apply to real world applications.

Here is an online lesson plan on data representation. In it, learners access websites embedded in the plan which lead them through a variety of activities around data representation and statistics. The activities are quite good, and...

Eighth graders solve problems involving percentage increases and decreases. Using given percentages, 8th graders transform a square into a rectangle. They apply the area formulas for squares and rectangles.Students observe the percent...

Students explore the problem of percentages. Students find a given fraction or percentage of a quantity. Students devise and use problem solving strategies on problems explored.

Students evaluate the number of people who travel out of their town to work. They figure out what the percentage of each town's commuting workers is to the number who commute in the region. They plot the percentages on a pie chart.

Students measure the dimensions of different sizes of paper. Using a copy machine, they discover dilations. After enlarging and shrinking particular copies, students examine rates, ratios and percentages and discover the relationship of...

Students are introduced to the topic of estimation. Using various methods, they estimate and calculate the answers with the use of a calculator. They develop a practice to always estimate answers involving percentages and use a...

Students simplify fractions. They convert fractions to decimals. Students comprehend the double number line and how to use it proportionately. They convert fractions to percentages using the double number line. Students use the...

Students measure the length and width of various sizes of envelopes. After comparing the envelopes, they explore the ratios, percentages, and rates. Students discuss postal rates and compare the cost of mailing items, delivery times, and...

Students use ads from magazines to create data to be measured and apply the skill of estimation. They record the percentage of magazine ads that could be separated into different categories made by students through the use of logical...

Seventh graders explore the skill of finding the increase and decrease of a quantity. Calculating the increase and decrease is covered by a percent. The proporition for finding a percent is also part of the lesson plan.

Students solve problems involving percents and ratios. In this algebra lesson, students convert decimals to percents and percents to decimals. They solve problems involving algebraic expressions and four different kinds of percent problems.

Students build knowledge about the number relationships between decimals and percents as it relates to converting decimals into percents. In this decimal and percent lesson, students recognize equivalent forms of fractions,...

Students develop a list of possible outcomes as a method of finding probability related to a pizza statistics problems. They read the problems together as a class, brainstorm ways to solve the problem, and in partners solve the pizza...

Students convert metric units of length, specifically meters, centimeters, and millimeters. In this lesson of converting measurements, students participate in various games which require them to put the measurements in order or convert...

In this real-data instructional activity, students use data from the 2008 Census Bureau to answer eight questions divided into four activities.  The topics covered include: place value, rounding, estimation, fractions, and percents.

Students describe the differences between an estimate and a guess. They create reasonable estimates based on comparison and activities. Students explain how estimation is helpful in showing the relative size on a scale. They also...

Learners observe Americans through the eyes of the world.  In this human population lesson, students utilize the Internet to view the World Pop Clock and follow the world's population by the minute.  Learners predict what the...

Students conduct a class-wide survey collecting, compiling, and analyzing data about fitness, weight loss, and body image issues. They analyze the relationship between exercise and diet in weight control.

Students research epidemics that have devastated world population at various points in history. They share and calculate statistics obtained in their research and develop graphs comparing and contrasting how different epidemics affect...

Students calculate the percentage of oxygen in the atmosphere. They create a semi-scale drawing of the atmosphere.

Students explore finding the percent of a numbers. They survey their peers to determine modes of transportation used in getting to school. Afterward, students organize information and create graphs and charts. They explore alternative...