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Investigating Segments in a Triangle

For Teachers 9th - 12th Standards
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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Winter Through the Arts

For Teachers K - 3rd
Students read the book The Snowy Day and discover various winter themes. In this winter lesson, students develop movements to express the feeling of a snowstorm. Students also construct winter-themed art pieces.
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Mass Spectrometer

For Teachers 9th - 12th
In this mass spectrometer worksheet, young scholars read about how a mass spectrometer determines the elements in gases around Earth. Students answer 3 questions and identify the elements in a graph found by a mass spectrometer.
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Symmetric Secant

For Teachers 9th - 12th Standards
Mathematicians use a symmetric secant line to prove the derivative at a point. For this trigonometry lesson, young scholars create secant lines on the navigator to analyze the derivative. They move the lines around and make observations.
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Riemann Sums

For Teachers 10th - 12th Standards
Students calculate the area under a curve. In this calculus activity, students use Riemann Sums to find the area under a curve. They apply the boundaries of intervals as they solve for each area.
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Rate of Change

For Teachers 9th - 12th Standards
Students observe and calculate slopes. In this algebra lesson, students graph equations and determine the pace at which the slope is changing. They use the navigator to see the change as they graph the lines around.
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Properties of Special Quadrilaterals

For Teachers 9th - 12th Standards
Teach your mathematicians how to identify the properties of quadrilaterals. In this geometry lesson, high schoolers solve for missing angles and sides of a special quadrilateral. They use the TI to move the sides around and create...
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Chords of a Circle

For Teachers 9th - 12th Standards
Teach how to differentiate between chords and perpendicular bisectors. In this geometry instructional activity, students relate the properties of chords and circle to solving right triangle. They define what makes two chords congruent in...
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Tessellations with Regular Polygons

For Teachers 9th - 12th Standards
Show your learners how to create tessellations using different polygons. This is achieved by having students make observations of polygons to find the ones that will tessellate.
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Radian Measure

For Teachers 9th - 12th Standards
Young mathematicians identify central angles, arcs and radius of circles in this pre-calculus lesson. They identify the proportion of the circle based on its radius while they convert between degrees and radians measurements.
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Giraffe Riff Raff

For Teachers 5th - 8th
Young scholars study the effects of wildlife conservation and relocation.  In this conservation lesson students view video on the preservation of the giraffe populations and discuss the impact that humans have had on them.
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Investigating Area Relationships

For Teachers 9th - 12th Standards
Learners investigate the area of various figures. They construct triangles and quadrilaterals using Cabri Jr. and discuss the relationships between different angles, side lengths, and figures.
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Sports Helmets and Impact Testing of Polymers

For Teachers 5th - 9th
Students examine the importance of good quality safety gear. In this investigative lesson, students will tests various polymers, collect data, and analyze the data to determine which polymer is best for safety helmets. They will design a...
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Musical Imagery

For Teachers 3rd - 5th
Students experience musical imagery. They link this musical concept to literary imagery to gain an understanding of the use of imagery in both genres. After listening to a varriety of sounds, students will compose and perform a melody.
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Can You Hear a Story?

For Teachers 2nd - 6th
Students listen to, analyze, and describe music. They explain relationships between music, the other arts, and disciplines outside the arts.
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The Sound of Music in Kenya

For Teachers 9th - 12th
Students study Kenya's culture and see how people and things can be different and similar at the same time. They create a pictograph of objects from each culture that are used in similar ways and examine a few Swahili words.
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The Golden Ratio

For Teachers 7th
Seventh graders investigate a ratio found in nature and in numerous pieces of artwork throughout history. The lesson is cross-curricular and builds a sense of appreciation of design for students.
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Pet Rocks

For Teachers 3rd - 6th
Students complete a variety of activities related to the physical characteristics of minerals. They classify and group candy, classify rocks and complete a Pet River Rock worksheet. Students try to guess which rock goes with each...
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The Mission of Lewis and Clark

For Teachers 1st - 8th
Young scholars comprehend the various aspects of the Lewis and Clark expediton. They complete an idea web. Students work in small groups. They recall some important aspects of the Lewis and Clark expedition by performing the Corps of...
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When the Snow is as High as an Elephant

For Teachers 9th - 12th Standards
High schoolers study the concept of mean values using a data plot. Learners enter the given data in the activity to create their data table. They use the data table to calculate the mean of the snowfall percentage provided in the...
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Charging Up, Charging Down

For Teachers 9th - 12th Standards
Learners collect and analyze voltage data. Then, they investigate exponential functions using the TI and a Voltage Probe and graph their data and analyze it using a table.
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Algebra Nomograph

For Teachers 9th - 12th Standards
Investigation of a nomograph teaches students to determine the rule of a function by examining the input and output values.  Students use a nomograph on their Ti-Nspire to determine the function rule.  Students make a scatter...
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NUMB3RS - Season 3 - "Provenance" - Set the Trap

For Teachers 9th - 12th Standards
Learners investigate concept of matrices through iteration in this probability lesson plan. They investigate probability by creating a lesson plan based on a famous painting. This assignment contains extensions to the...
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Equations for Curves Passing through a Given Set of Points

For Teachers 9th - 12th Standards
Learner use three random locations on the coordinate system and simplify the expression and assign result to the variable loc. They substitute guesses for the center and radius of the circle in the equation for the center of a circle and...