Curated OER
Adding and Subtracting Rational Expressions
For this algebra worksheet, students add and subtract rational expressions using the LCM. They combine like denominators before they add and subtract the expressions. There are 8 questions.
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The Good, The Bad, The Ugly
Sixth graders examine the causes of the stock market crash of 1929. For this integrated math/history unit on the stock market, 6th graders study, research, and read stocks, visit a local bank, and create a PowerPoint to show the...
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Patterns
For this college level algebra worksheet, students examine patterns, formulas that describe the pattern and determine the sum of an infinite pattern. The one page worksheet contains five questions. Answers are provided.
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Functions
Students explore a variety of functions. They recognize and describe functions and use linear functions to describe situations. Students find the domain and range of linear functions and graph rational expressions.
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Fractions
Fourth graders explore fractions. They use Skittles and M&M's to practice adding and subtracting fractions. Students review the numerator and the denominator of fractions. They count the number of each color of Skittles and M&M's...
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Proportional Problems 1
Eighth graders explore representing fractions as ratios and proportions. They model proportions through the use of blocks, LEGO gears and activities with bicycle gears and pedals. Students work with bicycle gear boxes to observe and...
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Math Morphing Proximate and Evolutionary Mechanisms
High schoolers identify the different types of fractals. In this geometry lesson plan, students use math to analyze different biological phenomena. They collect data from the experiments and construct graphs.
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Central Tendencies and Normal Distribution Curve
Fourth graders are given data (class test scores) to determine central tendencies, and find information needed to construct a normal distribution curve. They become proficient in calculating mode, median and average.
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Squirt
Fourth graders using the idea of "how many more squirts" fill a container to develop multiplicative thinking. They also investigate the idea of conservation of volume when working with oddly shaped containers. They attempt to use...