Curated OER
Leonardo of Pisa and the Golden Rectangle
Students investigate geometry and algebra and the history behind these two interesting subjects. In this algebra lesson, students analyze the Fibonacci Sequence and relate it to solving exponential equations. There are alot of links and...
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Regular Polyhedra
Tenth graders investigate the history of geometry and its different shapes. In this geometry lesson, 10th graders practice seeing three dimensional shapes and explain why there are only five polyhedra. They relate all the new materials...
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Special Triangles and Circles
Students investigate special triangles and circles. In this geometry lesson, students construct a perpendicular bisector and discuss angles of a triangle. They find the angle bisectors, vetex and the types of circle constructed.
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Slope, slope-Intercept Form and Standard Form
Students investigate and solve linear equations using slopes. In this algebra lesson, students graph lines using the slope and y intercept. They also find the slope by rewriting their equation in to slope-intercept form from standard form.
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Musical Sounds
Students investigate music appreciation by completing worksheets. In this musical arts lesson plan, students complete worksheets in which they identify different musical instruments, the sounds they make and the family of instruments...
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Real Life Algebra
Students investigate where in their everyday life math is used. In this algebra lesson, students describe linear transformation as it relates to business and sales. They relate area and perimeter to their yard or garden, as well as...
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Why Doesn't SSA Work?
Students investigate the relationship between angles and their sides. In this geometry lesson, students prove why SSA does not work as a true angle side relationship theorem.
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Positive and Negative Angles and Arcs
To better understand that the intersection point of two lines lies inside a circle, learners use their keen measurement skills. They discuss arcs, rays, tangent lines, and reflex angles. Then, they put their skills to work as they...
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Insect Camouflage
Students investigate insect camouflage and mimicry. In this animal science lesson, students discuss how camouflage helps an insect survive. Additionally, students use the included template to color and cut illustrations of insects....
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Gravitational Acceleration
Students investigate the interdependence of mass and gravitational acceleration using computer simulation. In this physics lesson, students derive the formula for acceleration due to gravity. They calculate air resistance on falling...
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Bioinformatics
Learners conduct a series of scientific investigation using bioinformatics. In this molecular biology lesson plan, students collect experimental data using different educational softwares. They calculate and analyze relationships using...
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Application of Graph Theory
Students investigate different online tutorials as they study graphing. In this graphing lesson, students apply the concept of graphs cross curricular and use it to make predictions. They define the purpose and theories behind graphs.
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Endocrine Disruptors in Our Drinking Water: Should We Be Concerned?
Young scholars investigate the different hormone contaminants in the water supply. In this math lesson, students analyze data tables and graphs. They demonstrate exponential growth and decay using frog populations.
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Squares, Square Roots, and Exponential Expressions
Students explore the concepts of square roots and exponential expressions. In this square root and exponential expression lesson plan, students complete an investigation called Building A Square Patio. Students use color tiles to develop...
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Life is Full of Problems
Pupils use the problem solving strategy of guess and check to investigate math word problems. They determine which problem solving strategy or strategies would work best in problem situations.
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Classification
Students investigate how different types of food can be classified then counted. In this sorting, arranging, and classifying lesson plan, students explore how to group foods based on commonalities. Students are asked four questions which...
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Division Patterns
Learners investigate the concept of division and how numbers fit into specific patterns while practicing the skills finding equivalent fractions. They practice solving different division sentences while answering questions asked during...
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Gauss' Law
Learners derive the equation of Gauss's law. In this physics instructional activity, students investigate the factors affecting the strength of the electric field. They perform simulation on Gauss's law.
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Investigating Pot Sherds
Sixth graders measure pot sherds and use their knowledge of Pi to infer possible uses of pottery. They also infer possible functions of ancient ceramics. After tracing rounded pottery pieces onto paper, 6th graders use compasses to...
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Investigating the Idea of Cos
Fifth graders use cos to solve problems involving right-angled triangles. They solve equations of the form cos(++) = a, for a between -180 and 360 degrees. They state the value of cos(++) in special cases and graph y = cos(++).
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The Quest For Power
Students investigate and apply properties of math. In this algebra and physics lesson, students define important vocabulary words to create a basic understanding of keywords. They perform experiments using concepts of electricity and math.
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Probability
Fourth graders predict future outcomes with an investigation of the mathematical principle of probability using spinners constructed by them. The spinner is a hands on application an they combine it with writing a ratio for the...
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Min-Max temperatures
Young scholars investigate data of minimum and maximum weather temperatures over the period of one week. They answer guided questions in order to establish comprehension of interpreting the data.
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Intro to Circles
Seventh graders participate in an investigation into the concept of a circle. Finding the definition of a circle and how they are used in the real world is discussed. Then students write their own real world examples of circles.