Curated OER
Mean and Standard Deviation
Get two activities with one lesson. The first lesson, is appropriate for grades 6-12 and takes about 20 minutes. It introduces the concept of measures of central tendency, primarily the mean, and discusses its uses as well as its...
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Negative Numbers
Sixth and seventh graders investigate the concept of negative numbers. The lesson begins with a review of positive numbers and progresses to the various operations with negative numbers. The lesson includes dialogue for the teacher to...
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Maps and Modes, Finding a Mean Home on the Range
Fifth graders investigate data from maps to solve problems. In this data lesson, 5th graders study maps and collect data from each map. Students present their data in a variety of ways and calculate the mode, mean, median, and range.
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Number Base Clocks
Students investigate place value in base ten. In this number sense lesson plan, students participate in an online lesson plan at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to convert numbers from base...
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Graphs and Data
Students investigate poverty using graphs. In this algebra lesson, students collect data on the effects of poverty and use different rules to analyze the data. They graph and use the trapezoid rule to interpret the data.
Mathematics Assessment Project
A Golden Crown?
For this assessment task, learners determine whether a crown with given information is composed of pure gold. The task expects algebraic and numerical solution methods, so unlike Archimedes, no bathtub is necessary.
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WINDMILL POWER
Learners 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...
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Irish Potato Products
Students investigate the effects of low and high temperatures on potato products. In this potato products lesson plan, students demonstrate the effects of storage conditions on Irish potatoes. They investigate the effects of frying, they...
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Intro to Mayan Numbers
Students investigate Mayan Numbers. For this algebra lesson, students compare our number system to the number system of the Mayans. They identify base 10 and base 20 numbers including zero in the Mayan symbols. They solve a Mayan problem.
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Roman Numerals and Their History
Young scholars identify Roman numerals and the history associated with them. In this historical number lesson, students investigate charts and photographs to discover the history of Roman numerals. Young scholars bring a...
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Acting Like a Hog
Young scholars explore game theory. In this secondary mathematics lesson plan, students investigate the playing of a game called Hog which involves rolling dice. Young scholars explore many different scenarios as they...
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The Number Line
Eighth graders investigate the order of numbers and how they are located on the number line. They also review the symbols used to compare quantities in order to decipher simple expressions and graph them on the numberline.
Balanced Assessment
Who's Left?
If you're not right-handed, are you wrong-handed? Young statisticians calculate the percentage of left-handed people using a given data set in the assessment task. They plot data on a scatter plot and consider how the line of best fit...
American Statistical Association
Scatter It! (Predict Billy’s Height)
How do doctors predict a child's future height? Scholars use one case study to determine the height of a child two years into the future. They graph the given data, determine the line of best fit, and use that to estimate the height in...
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Rating Systems
Your favorite sports team is ranked #1. How do the powers that be determine this rating? Learn how ratings are mathematically computed using probability concepts, from the Elo Rating System for chess to the Rating Percentage Index for...
Bowland
Geoboard Squares
Don't be a square! Help your budding mathematicians discover patterns within squares. Scholars create squares on geoboards and identify patterns in the number of nails, both nails on the edge of the squares and nails within the squares....
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Move It!
Third graders examine simple machines. In this simple machines instructional activity, 3rd graders observe simple machines at work in a video, then experiment with creating their own simple machines to move objects.
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Who's the Frog Jumping Champion?
Students use a simple machine (a lever) to launch a plastic frog. students determine who is able to make their frog "jump" the farthest and graph the results.
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Investigating Parabolas
Students identify properties of parabolas. In this algebra lesson plan, students factor quadratic equations and identify the properties of parabolas. They find the roots, vertex and intercepts of a parabola.
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Experiments with Levers
Students investigate levers. In this simple machine lesson, students study levers and the mechanical advantage of using levers. They will collect data and illustrate their systems for eight different tests.
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Simple Sequence
Students identify the nth term in a sequence. For this algebra lesson, students generate sequences given the formula for each sequence. They find the formula given the sequence.
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Habitat Choice in Woodbugs
Students investigate woodbugs. In this scientific investigation lesson, students explore the steps scientists take when conducting an investigation using live specimens. Students explore habitat preferences for woodbugs in various...
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The Sun as the Driving Force of the Water Cycle
Students study the water cycle and how the sun is an important factor. In this water cycle lesson students investigate how to desalinate water and explore the different densities of fresh versus saltwater.
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Pythagorean Theorem Investigation
Eighth graders investigate the Pythagorean Theorem and practice applying the theorem to various triangles. Finally, in the next lesson in the sequence, 8th graders create a song or a story to help them remember the Pythagorean Theorem.