Curated OER
Plenty of Pythagoras
Using a twelve foot knotted rope, students form a 3-4-5 right triangle. Following a discussion of observations about the lengths of the sides of the triangle, students use grid paper, scissors and a centimeter ruler to draw and measure...
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Cartesian Coordinate System
Students explore the Cartesian coordinate plane and plot points on the graph. They interpret coordinates for a point from the graph and give the ratio of rise over run for slope.
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Adding Two Digit Numbers with Using Dimes and Pennies
Second graders participate in a math game using dimes and pennies. They practice combining coins to make a given amount of money, and they use the combinations to practice adding two digit numbers. Teacher assessment strategies and...
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The Length of my Foot
Students review the concept of measuring length. In groups, they travel to various centers throughout the classroom. They experiment with using different objects to measure the length of items given to them by their teacher. They are...
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Cartesian Baseball
Students are told what a coordinate system is and also that it provides a way of uniquely describing each point on a plane or in space. They are given a practice problem along with the equation. Students solve the following problem:...
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Scale Basketball
Students understand that a spreadsheet can be used to find the best scale to use in a model. They place the distances of the planets of the solar system to the Sun in one column of the spreadsheet. Students try different scales so that...
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2, 4, 6, 8 . . .What Do We Appreciate-Patterns, Patterns, Patterns
Young scholars discover and predict patterns in a numerical sequence. Through the Internet and video segments, students begin with basic number patterns and extend their knowledge into higher math skills. They will also create new...
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Graphing Inequalities
Students graph inequalities on a number line and discuss how to solve for one variable. The teacher models examples as students take notes. In groups, students participate in an activity to demonstrate inequalities on a number line. ...
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Angle Land and Angle Aerobics
Sixth graders investigate different types of angles. In this geometry lesson, 6th graders use a protractor to identify acute, obtuse, and straight angles.
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Differentials
Students investigate Differential equations using derivatives. In this calculus lesson, students solve problems of differential equations by taking the derivative and explaining the changes that occurred in the equation and circle. They...
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Conjectures and Conclusions
Students draw conclusions and make conjectures given a specific scenario. In this geometry lesson, students model real life scenarios using properties of triangles. They model number facts and explain why the outcome is what it is.
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Simson Line
Stuednts identify triangles for the Simson Line. In this geometry activity, students solve triangular problems using the properties of triangles.They differentiate between the height, congruency and similarity.
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Euler Characteristic
Students identify the different properties of Euler's Characteristics. In this geometry lesson, students identify the shape and surface a polygon. They relate the concept of Euler to solving real world problems.
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Fibonacci Patterns
Young scholars solve problems using the Fibonacci Patterns. For this geometry lesson, students trackthe growing rate of a rabbit population. They collect the data and graph their results. They make predictions based on their results.
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Interpreting Graphs
Students investigate graphs. In this graphing instructional activity, students create a graph regarding the population of California. Students extrapolate answers concerning the data set.
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Cartesian Coordinate System
Learners research the Cartesian Coordinate System and its many uses in the world of mathematics and algebra.
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Flying with Fractions
Students test their knowledge of the Wright Brothers and their aircraft, and compute ratio of two numbers to determine the ratio between wing span and length of aircraft.
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Mobius Band
Tenth graders discuss sides of a shape and how to collect data correctly. In this geometry lesson, 10th graders examine shapes and count the surfaces on the shape. They read the history of Mobius Band and relate it to surface area.
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Estimation and Pattern Discovery
Students collect sunflower heads from their community garden. They estimate its seed count using different strategies. They graph their estimations on a graph and use calculators to find the actual total.
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Scale Basketball
Students discuss scale diagrams and maps as well as the use of spreadsheets to find the best scale to use in a model before practicing scale and ratio problems on their own.
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