Curated OER
Discovering Pi
Students develop a formula that describes the functional relationship of the circumference of a circle to its diameter. Working with a partner, they measure the diameter and circumference of circular objects in order to discover the...
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Populations Lab - Exponential Graphing
Ninth graders investigate the application of populations that exists in one's everyday environment, in order to develop an understanding of how mathematics is a key component in the understanding of population dynamics.
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Problem Solving in Mathematics
Seventh graders discover that there are multiple strategies to be used in problem solving. They explain a problem solving situation in their own words and determine a possible strategy for solving the problem.
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High School Mathematics Problems from Alaska: Jesse Thomas Moose Hide Problem
Students solve problems about a student earning money for college by tanning moose hides.
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Make Your Own "Weather" Map
Students develop and apply a variety of strategies to solve problems, with an emphasis on multi-step and non-routine problems. They acquire confidence in using mathematics meaningfully.
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An Introduction to Area and Perimeter
Students form rectangles by using tiles, measure area and perimeter by counting. They discover and apply rules for measuring perimeter.
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Ocean Botttom Profile
Students interpret a graph of ocean depths and topographic features. This task assesses students' abilities to interpret figures, organize and represent data, apply knowledge of scale to a profile, and apply theoretical knowledge.
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Introduction to Fractals: Infinity, Self-Similarity and Recursion
Young scholars think about several of the concepts from fractals, including recursion and self similarity. They use mathematical concepts of line segments, perimeter, area and infinity are used, and skill at pattern recognition is...
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Creating the Model
Students comprehend what has been explored in the previous earthquake engineering design lessons, by putting their designs to the test.
They are given pairs a piece of paper, and an empty plastic bottle or can. Students stand the...
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Building Materials
Fifth graders are presented with three rocks and a variety of tools and are asked to investigate the properties of the rocks to see which rock is best for building tables and benches for a museum picnic area.
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Not Everything is More Expensive
Students explore percent increases and decreases. They calculate the percent increase and decrease. Students use math to solve problems and communicate. They apply the given formula for percent increase/decrease.
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Math in Society
Twelfth graders determine probabilities of real-life events such as life expectancies, winning a lottery ticket and the break-even premium. They apply how life-expectation tables are used to estimate the probability that an individual...
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Getting Familiar with Fractals
Young scholars use the Internet to answer lab questions about fractals, and then construct fractals using the initial stage and iteration rule. They complete tables and generate rules for the "nth" term and create their own fractals.
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Graphing Made Easy
Fourth graders discover the appropriate way to construct and analyze bar, line, picto, and circle graphs. They set up frequency tables and perform some statistical analysis (mean, median, and mode) on their data.
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Pizzas And Things
First graders problem solve using the concepts of doubling and halving numbers as previews for finding multiples and working with fractions. They determine how to find half of a set of objects and work with sums up to 16. They work with...
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Code Breaking
Students explore symbolism and examine various types of codes, including those used in the Civil War, which use/d mathematical symbols and language. They create and break various codes.
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Displaying Postcards
Students solve a problem in a systematic and mathematical way. The use of an equation is applied to a word problem situation. It is necessary that students be familiar with different types of equations.
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Guess My Rule
Students drill on math patterns, functions and Algebra. They construct and use tables to solve problems associated with mathematical relationships and identify a rule/equation. Students comprehend input/output to determine the...
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PLANETS IN PROPORTION
Students discover scales for both the solar bodies' relative sizes and their distances from the sun. They find equatorial circumference and volumes of their solar bodies. Students apply estimation strategies and proportioanl reasoning to...
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Add & Subtract Fractions w/Unlike Denominators, 2
Students use several examples to create a method for adding and subtracting fractions with unlike denominators. They present these methods to the class and then practice applying methods to sample problems.
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Exponential and Exponents Functions
Students solve problems using exponential properties. In this algebra lesson, students differentiate between exponents, exponential and log functions. They graph their functions using table and exponents.
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Probing Under the Surface
Eighth graders use a measuring stick to determine the shape of the inside of the bottom of a box, then apply their knowledge to an additional situation. This task assesses students' abilities to make simple observations, collect and...
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Probability: The Study of Chance
Students practice the basic principles of probability by conducting an experiment, determining if a game is fair, collecting data, interpreting data, displaying data, conducting analysis, and stating and applying the rule for probability.
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Don’t Sit Under the Apple Tree…You Might Become Famous
Students explore Newton's laws using CEENBoTs. In this physics lesson, students collect data and create tables and graphs. They calculate speed, acceleration and forces using mathematical formulas.