Curated OER
Ratios (Cost of a Habit)
Students consider an individual habit and its cost. They study ratios and proportions, and use that knowledge to calculate the cost of a habit over extended periods of time. write a detailed comparison of the costs.
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Doing The School Run
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...
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Introduction to Descriptive Statistics with Mode, Median, Mean and Range
Students complete several games and experiments, tally and graph their results. They figure the mean, median, range and/or average of their graphs to describe class results. They consider which statistic best represents the data at hand.
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2 x 2
Students work together to grid a 2 x 2 meter unit using the formula for the Pythagorean Theorem. After creating the grid, they identify the location of artifacts and create a map of their location. They develop a graph and table of their...
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Inches Away
Learners are introduced to maps, scale representations, ratios and cartography. They plot the itinerary for their family's dream vacation or a trip across the United States. Using maps, they determine the short route and second longer...
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Area of Solids
Students find the area of rectangular solids and cylinders by cutting them into flat pieces and adding the areas.
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Pepe Cleaners
Seventh graders gather data to determine the relationships between the base and height of rectangles with fixed perimeters and express the relationships using words and symbols. Students build rectangles with pipe cleaners. They create...
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Perimeters, Patterns, and Conjectures
Students discover patterns and write conjectures relating to perimeters and polygons. Working in cooperative learning groups, they use manipulatives and graphic organizers to solve problems then answer a series of questions in which they...
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Constructing Geometric Shapes
In this construction geometric shapes worksheet, student use the software program for instruction then construction shapes and bisect angles for four questions.
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Problems at the Ballpark
Seventh graders reinforce understanding of logical thinking in problem solving.
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Hidden Jewels of Geometry
Students identify different geometric shapes, and arrange them artistically in original jewelry designs.
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Energy Conservation (Middle, Mathematics)
Students take turns reading the electric meter six times a day at regularly scheduled intervals. They figure out the amount of electricity used and then determine the total cost of electricity for the week.
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Eagle-Eyed
Students study the eyesight of eagles. They discuss raptors and their eyesight and compare it to their own. They measure how far away they can see a small object and its distance. They calculate the eyesight to measure an eagle's...
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Sliding and Stuttering
Students measure frictional force existing between a moving cup and the surface it slides on. They conduct the experiment and answer discussion questions.
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Area graphics for 7th graders
Young scholars randomly select dimensions for three geometric shapes (square, right triangle and circle). From the graphs they compare and contrast the graphical results of each shape.
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Does Contact Area Matter?
Students work together to design and implement an experiment on friction. They test to see if contact area affects the amount of friction. They discover how engineers use friction to make certain products better.
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How Do Things Fall?
Students observe falling objects. They discover the rate of falling is based on air resistance and not the weight of the objects. They discuss how engineers use this type of information to design aerodynamic shapes.
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Power, Work and the Waterwheel
Students use a two-liter bottle, dowel rod and index cards to design and construct a water wheel. They then calculate the power created and measure the work done by the water wheel in Watts and Joules.
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Milky Way Galaxy
Students simulate stars in the Milky Way Galaxy using newspaper prints. In this space science lesson, students compare the number of 'stars' on their page to familiar things. They calculate how many pages they need to have the same...
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Ridgerunner
Students jog for three minutes at the beginning of the class, increasing one minute per week for ten weeks. They count each lap as one mile on the Appalachian Trail, computing the class average and plotting their progress on a class map.
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Painter's Area
Learners demonstrate geometric relationships of finding area of rectangles and squares. They apply determine the quantity of paint needed to cover the area by using the concept of quantity.
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Paper Packaging Design
Middle schoolers discuss the relationship between technology and manufacturing. They then use their ideas to construct a model of a paper board carton package. Next they view a PowerPoint presentation to learn about the history of...
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Introduction to Biometrics
Students use the internet to research how biometrics is being used in the real world today. They work together to research hand geometry applications. They share their findings with the class.
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Route Reconstruction
Students trace sailing route of Spanish and Portuguese exploration ships. They calculate and compare distances that different explorers traveled. Students calculate how long it would take to travel an explorer's route using different...