Curated OER
Introduction to Fractals: Infinity, Self-Similarity and Recursion
Students 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 practiced.
Curated OER
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.
Curated OER
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
Students 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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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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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
Middle schoolers 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...
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Exponential and Exponents Functions
Pupils 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 instructional activity, students collect data and create tables and graphs. They calculate speed, acceleration and forces using mathematical formulas.
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Hooke's Law
Students explore the relationship between the force applied to a spring and its stretch. They design and conduct an experiment to determine the stretch of spring with 15N of force without having an actual 15N mass.
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Covering and Surrounding
Students develop techniques for estimating the area of a circle and use ideas about area and perimeter to solve practical problems. In this area and perimeter lesson, students apply the concepts of perimeter and area to the solution of...
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Sun and Temperatures
Students consider the relationship of temperature to environmental conditions and then apply their knowledge to a practical event. The task assesses students' knowledge and application of that knowledge to an additional situation.
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In Your Prime
Students study how to find prime numbers. They investigate the teachings of the mathematician Eratosthenes and apply his theory of prime numbers less than 100.
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Investigating Scale Factors with the Geometer's Sketchpad
Students use Geometer's Sketchpad to examine the scale factor when in is applied to the length of a figure's sides. They look at how the scale factor affects the side lengths, perimeter, and area of the figure that result. They work with...
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Starch and Sugar Testing 1
Eighth graders determine the presence of starch and sugar in unknown solutions. This task assesses students' abilities to observe, record and interpret data, classify, generalize/infer, construct data tables, and identify sugar and...
Curated OER
Rounding Numbers
Fifth graders demonstrate rounding numbers to a sensible level of accuracy and in context. They discuss rounding numbers for newspaper headlines, complete a table of grocery items that need to be rounded, and observe and demonstrate...
Curated OER
Travel Mug Design
Students create and develop a travel mug. They create visuals and a three dimensional infomercial. They apply an engineering design and demonstrate knowledge of thermodynamics involved in heat transfer. They illustrate Newton's Law of...