Curated OER
Fraction Facts
Middle schoolers explore the concept of fractions. In this fractions lesson, students perform basic operations such as addition and subtraction with fractions. Middle schoolers play a game on the computer called 'Fraction Four' that...
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Functions and the Vertical Line Test
Students explore the concept of functions. In this function instructional activity, students determine if the graph is a function by using the vertical line test. Students use an applet to explore the vertical line test on a variety of...
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Introduction to Fractals: Geometric Fractals
High schoolers explore the concept of fractals. In this fractals lesson, students discuss Sierpinski's Triangle using an applet. High schoolers discuss the patterns involved with fractals. Students discuss the area of Sierpinski's...
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More Complicated Functions: Introduction to Linear Functions
Learners explore the concept of linear functions. In this linear functions lesson plan, students translate linear functions from tables to graphs to equations. Learners use an applet to write a function rule for a linear function in...
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Perimeter
Students explore the concept of perimeter. In this perimeter lesson plan, students discuss how to find perimeter of various shapes. Students use the Perimeter Explorer applet to find the perimeter of various shapes.
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Recognizing Patterns
Students explore the concept of patterns. In this patterns instructional activity, students use applets to manipulate tessellations. Students predict the next number in a sequence by recognizing patterns.
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Statistics and Shopping
Students explore the concept of using consumer data and statistics to aid in the consumer decision making process. In this consumer data and statistics lesson, students research consumer data and statistics. Students analyze the data...
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The Mandelbrot Set
Students explore the concept of Mandelbrot sets and Julia sets. In this Mandelbrot and Julia set instructional activity, students use a function integrator applet to investigate two-variable function iterations. Students use Julia set...
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The Bell Curve
Students explore the concept of the bell curve. In this bell curve instructional activity, students discuss the controversy associated with the bell curve. Students use an applet to explore a normal distribution. Students discuss...
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Bar Graph Lesson
Students make a bar graph. For this graphing lesson, students discuss why bar graphs are used and are shown bar graph examples. Students create their own bar graph to compare the heights of different things around the world. Students...
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Elapsed Time Two
Students study how to calculate elapsed time. In this elapsed time lesson, they determine how to calculate the ending time of an event when they are given the starting time and the elapsed time. They participate in direct instruction,...
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The Pythagorean Theorem, the Distance Formula, and Slope
Students explore the concept of the Pythagorean Theorem. In this Pythagorean Theorem lesson, students derive the distance formula and slope of a line from the Pythagorean Theorem.
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Lesson 2: Ultimate Classroom - Web Model
Young scholars create a scale drawing. In this ultimate classroom lesson, groups of students create a scale drawing of the ultimate classroom. They explore the and explain the constructed design.
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The Ultimate Classroom: Presentations
Students create a classroom floor plan. In this ultimate classroom instructional activity, students create a floor plan to scale, determine a materials list with cost, and write a summary of their results. They create a PowerPoint...
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Commutative Property
First graders use various models to learn the Commutative Property of Addition. In this Commutative Property lesson, 1st graders use other students, counters, balances, and dominoes to apply the addition property. Students solve addition...
Pennsylvania Department of Education
Using Multiplication to Solve Word Problems
Fourth graders solve word problems using multiplication. In this multiplication lesson, 4th graders write and solve word problems using their prior knowledge of multiplication.
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Partial Products
Students use the partial products algorithm to complete multiplication problems. In this partial products lesson plan, students are introduced to the algorithm and connect the relationship to multiplication and division problems.
Pennsylvania Department of Education
Adding and Subtracting Rational Numbers to Solve Problems
High schoolers explore the concept of probability. In this probability instructional activity, students use area to determine probability. High schoolers use charts and spinners to help determine the probability of events such as...
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Rounding to the Tens Place
First graders practice rounding to the nearest hundred and tens place. In this rounding lesson, 1st graders watch a video on and discuss the process of rounding to the nearest hundreds place with the teacher's guidance. Students...
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Using Concept Maps to Design 3D Spheres
High schoolers create three dimensional shapes using concept maps. In this geometry lesson, students investigate the impact of mental schemas on humans. They collect data on this topic and plot their data on a coordinate plane.
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Strongest Polygon
Students define and identify shapes by name. In this geometry lesson, students construct, identify and compare polygons based on the number of sides. They classify each shape based on their angle sum theorem.
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Parallel-o-Home
Students investigate the usage of parallel and perpendicular shapes in the real world. In this geometry lesson, students investigate shapes for properties that are related to the real world. They relate all the properties of shape tot he...
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Between The Extremes
Students analyze graphs for specific properties. In this algebra lesson, students solve equations and graph using the TI calculator. They find the different changes that occur in each graph,including maximum and minimum.
Pennsylvania Department of Education
Fractions of a Set
Students explore number sense by completing a number set worksheet. In this fractions lesson, students utilize pattern blocks as a visual reference to the fractions they practice identifying. Students read the book Clean-Sweep Campers...