Curated OER
Investigating Segments in a Triangle
Pupils investigate segments in a triangle by constructing a triangle using Cabri Jr. They construct segments within the triangle that lie on the midpoints of the triangle's sides. Learners then compare the slope of base of the triangle...
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Aurora to Magnetosphere Global Exploration
In this magnetosphere global exploration activity, students read about the instrument on board a satellite launched by NASA called the Radio Plasma Imager. This imager detects echoes from plasma clouds. Students calculate the distance to...
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Unit Conversions-Energy, Power, Flux
In this unit conversion instructional activity, students solve 4 problems given a list of conversion factors for units of energy, power and flux.
Curated OER
Force and Motion
Students experiment with force and motion. For this force and motion lesson, students test gravity using a variety of objects. Students rotate through a series of stations which use force, motion, friction, and inclines. Students predict...
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Studying the Equilibrium of a Water System
In this equilibrium worksheet, students perform a computer simulation on vapor pressure of water at different temperatures to answer 11 problem solving and short answer questions about the topic.
Texas Instruments
Convergence of Taylor Series
High schoolers analyze taylor series for convergence. In this calculus lesson, students analyze the graph of a taylor series as it relates to functions. They use the TI calculator to graph and observe the different series.
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Solving One Step Equations
Learners observe and demonstrate the step-by-step process for solving one-step equations. They view a teacher-created PowerPoint presentation, solve one-step equations, and in small groups create a PowerPoint presentation.
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Stoichiometry Lessons
Pupils are introduced to stoichiometric relationships in chemical equations with a Trail Mix activity before performing a lab to reinforce stoichiometry. Students complete the unit with a lab about limiting reactants in chemical reactions.
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Magic Squares for Shakespeare's Twelfth Night, Act II, scene 5
Readers of Shakespeare’s Twelfth Night use a magic squares matrix to match vocabulary words from Act II, Scene 5 with their definitions. An answer key is provided.
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Exponential Functions: Half Life and Doubling Time
Students investigate the concept of exponential functions and how they increase in size over time. They simplify the functions in order to find the solutions that are possible and perform analysis of the curved line that is produced when...
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Divide Fractions by a Counting Number
In this dividing fractions by counting numbers practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
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Regular Polygons
Fifth graders explore polygons. In this math instructional activity, 5th graders find examples of regular polygons in the classroom and measure the sides of figures to determine if they are regular polygons.
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Adding and subtracting fractions: the same sized slice
Students establish a strategy for adding simple fractions. They convert improper fractions to mixed numbers and interpret drawings and storyboards.
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Sorting Gourds
Students discover different types of gourds. For this plant comparison lesson, students compare and contrast several types of gourds based on shape, color and texture. Students observe a video clip based on sorting gourds....
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Patterns, Functions & Algebra
Learners participate in numerous activities and games. In pairs, they play card games to find relationships between a random set of playing cards. After writing samples of Dear Abby letters concerning math problems, students create a...
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Multiplying and Dividing Rational Expressions
In this algebra worksheet, students simplify rational expressions. They multiply and divide to solve the expressions. There are 9 questions.
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Adding in Parts
Third graders are able to split whole numbers into parts. They make numbers up to a tidy number. Students add and subtract tenths to make a decimals number into a whole number. They are able to add whole numbers up to three digits.
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Understanding Fundamental Trigonometric Identities
Young scholars are introduced to the basic trigonometric identities. Using a diagram, they discover why the parts of the unit circle as named as they are and use equations to finalize the Pythagorean trigonometric identities. They also...
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Similarity and Congruence
Students explore the concept of similarity and congruence. In this similarity and congruence lesson, students cut out strips of paper and form a triangle. Students try to prove that their triangles are congruent using the SSS theorem of...
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Investigating Area and Perimeter of Polygons.
Student sinvestigate the area and perimeter of polygons. They differentiate between similar and congruent polygons.. They identify the ratio and proportions of the sides and angles of polygons.
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Analytic Geometry-Good Problems from Alex Pintilie
In this analytic geometry worksheet, students solve 12 word problems. Problems cover identifying the locus of an equation as well as the locus.
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Equilateral Triangles
Learners examine the attribute of equilateral triangles. In this equilateral triangle lesson, students examine a number of paper triangles to determine how they are classified. They determine how triangles are depicted in Navajo rugs.
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Chromatography
Students study about chromatography, a process used to separate mixtures.
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Using Density to Identify Wood Types
Students identify different woods based on their density. In this density lesson plan, students use a triple beam balance to find the mass and a metric ruler for the volume. They look through various wood blocks and identify what type of...