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Paying for Crime
Learners participate in activties examining ratios and proportions. They use graphs to interpret data showing the government's budget for prisons. They present what they have learned to the class.
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History's Thermometers
Students explain the concept of paleoclimatological proxies. In this oxygen isotope lesson, students interpret data and make inferences about climate changes in the geologic past.
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Water Cycle, Weather, and Climate
Eighth graders investigate the water cycle and its processes. They examine temperature and precipiation data to classify climate of ten cities. They then create a climate map of the world.
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Leonardo da Vinci
Students select appropriate tools and technology to perform tests, collect data, and display data. They construct appropriate graphs from data and develop qualitative statements about the relationships between variables.
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Race and Gender in the Media
Students analyze race and gender in the media. In this algebra lesson, students apply their knowledge of percents and ratios to determine the representation of race and gender in the media. They discuss and graph their data.
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Meet the Neighbors: Planets Around Nearby Stars
Students explain why a transiting planet causes a periodic dimming in the light from its parent star. They determine the radius of a planet, and its orbital distance, by analyzing data and manipulating equations. Students compare the...
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Math Journal: Functions and Coordinate Geometry
Fifth graders examine the many uses of coordinate grids. In this graphing lesson, 5th graders write data driven equations, discuss the x and y-axis, and determine if using 2 or 3 ordered pairs is better. Students complete several...
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Teaching Radioactive Decay: Radioactive Half-life And Dating Techniques
High schoolers generate a radioactive decay table for an imaginary element using a box filled with pinto beans and M&M's. They use their data to plot a decay graph, develop the concept of half-life, and use the graph to "age" several...
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Measuring Solar Energy
Students study solar energy and how to measure it. In this energy sources lesson students complete a lab, obtain data and use that to convert surface temperature to energy.
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A Blast From The Past
Middle schoolers investigate ratio and proportion as they solve problems. In this algebra lesson, students calculate the percent increase on salaries and convert between decimals and percents to calculate. They rate job positions...
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Golden Connections
Young scholars determine the ratio of pairs of consecutive terms in the Fibonacci Sequence. Using four different colors, they create a golden rectangle in either two or three dimensions. They use photographs to create two collages...
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Punch Mix-up
Fifth graders discuss the relationship between equivalent fractions, ratios, and proportions. For this fraction lesson, 5th graders answer questions about a punch mixture in order to find the ratio of ingredients.
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Density Worksheet
In this chemistry worksheet, students identify and describe that density is the ratio of the mass of the substance to the volume of the substance at a given temperature. They also respond to various questions that refer to density in...
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The Snack Bar
Sixth graders complete a purchase order. In this ratios and patterns lesson, 6th graders work in groups to complete a purchase order for a grand opening of the school snack bar. Students use rations to figure out the need and quantity...
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NFL Home Field Advantage?
Does the home team have the home field advantage in football? Class members look at a graph that displays wins at home and wins on the road for each NFL team from 2002–2012. Then they answer eight word problems that look at the...
101 Questions
Shower v. Bath
Which requires more water--a bath or a shower? Given some specific criteria, learners attempt to answer the question. A video shows how long it takes to fill a gallon container using a faucet and a shower head. Using that information and...
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Estimating Loggerhead Hatchling Gender Ratios
Young scholars study sea turtles and the concept of temperature-dependent sex determination (TSD). Using a specific set of temperature data, they determine the probable sex of a nest of sea turtle hatchlings and then determine the...
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Pi as a Ratio
Eighth graders measure the circumference and the diameter of circular objects and record the measured values of the circumference and the diameter in a table. They then record their measurements in centimeters and use their data to...
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Standard Sizes of Paper
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...
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Car Maintenance Costs
In this literacy worksheet, students practice interpreting data that is focused upon organizing the costs of car maintenance and the details of planning for future costs.
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Amazing Consistent Ratios
Students derive the six trigonometric identities. In this trigonometry instructional activity, students find the ratios of sine, cosine and tangent using the right triangle. They use properties of the Pythagorean Theorem to find the trig...
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Discovering The Ratio Pi And The Diameter
Students relate the ratio of Pi to the diameter of a circle. In this geometry instructional activity, students investigate the relationship of the chord of the circle the the number Pi. They define ration, chord, circumference and...
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Estimating Deer Population
Learners calculate the deer population using proportion. In this algebra lesson, students apply the concept of ratio and proportion to real life scenario.
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Recipe For Disaster
Students 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 time.