Lesson Plan
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Leonardo da Vinci

For Teachers 6th - 8th
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.
Lesson Plan
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Meet the Neighbors: Planets Around Nearby Stars

For Teachers 11th - 12th
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...
Lesson Plan
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Math Journal: Functions and Coordinate Geometry

For Teachers 5th
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...
Lesson Plan
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Teaching Radioactive Decay: Radioactive Half-life And Dating Techniques

For Teachers 9th - 12th
Students 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 samples.
Lesson Plan
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Measuring Solar Energy

For Teachers 8th - 12th
Young scholars study solar energy and how to measure it.  In this energy sources lesson plan students complete a lab, obtain data and use that to convert surface temperature to energy. 
Lesson Plan
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A Blast From The Past

For Teachers 6th - 8th
Students 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 from 1936...
Lesson Plan
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Golden Connections

For Teachers 9th - 12th
Students 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 using...
Lesson Plan
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Punch Mix-up

For Teachers 5th
Fifth graders discuss the relationship between equivalent fractions, ratios, and proportions. In this fraction lesson, 5th graders answer questions about a punch mixture in order to find the ratio of ingredients.
Worksheet
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Density Worksheet

For Students 10th - 11th
For 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...
Lesson Plan
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The Snack Bar

For Teachers 6th
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...
Worksheet
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NFL Home Field Advantage?

For Students 5th - 8th Standards
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...
Activity
101 Questions

Shower v. Bath

For Teachers 6th - 8th Standards
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...
Lesson Plan
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Estimating Loggerhead Hatchling Gender Ratios

For Teachers 5th - 8th
Students 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 overall...
Lesson Plan
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Pi as a Ratio

For Teachers 8th
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...
Lesson Plan
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Standard Sizes of Paper

For Teachers 6th - 8th
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...
Lesson Plan
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Car Maintenance Costs

For Teachers 9th - 12th
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.
Lesson Plan
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Amazing Consistent Ratios

For Teachers 7th - 9th
Learners 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...
Lesson Plan
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Discovering The Ratio Pi And The Diameter

For Teachers 9th - 10th
Students relate the ratio of Pi to the diameter of a circle. In this geometry lesson, students investigate the relationship of the chord of the circle the the number Pi. They define ration, chord, circumference and diameter and find...
Lesson Plan
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Estimating Deer Population

For Teachers 9th - 10th
Young scholars calculate the deer population using proportion. In this algebra lesson, students apply the concept of ratio and proportion to real life scenario.
Lesson Plan
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Recipe For Disaster

For Teachers 8th - 10th
Learners 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.
Lesson Plan
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Inheritance in Maize

For Teachers 9th - 12th
Students use mutant corn ears to investigate inheritance patterns. In this inheritance lesson plan, students count the number of corn kernels of each phenotype in mutant and wild type ears of corn. Students calculate the ratio of...
Lesson Plan
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Geometric Sequences and Series

For Teachers 10th - 12th Standards
Learners find common ratios of geometric sequences on a spreadsheet. Using this data, they create scatter plots of the sequences to determine how each curve is related to the value of the common ratio. They will consider whether series...
Worksheet
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Doctors and Lawyers

For Students 9th - 12th
In this secondary mathematics worksheet, students use the given data regarding the average ages of a group of doctors and lawyers to determine the ratio of doctor to lawyers in the group.  The one page worksheet contains one problem...
Lesson Plan
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Using Technology to Design Animal Habitats

For Teachers 8th - 12th
Students study the relationship between an animal and where it lives.  In this habitats lesson students research to obtain data and create a professional report.