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Secants, Tangents and Arcs

For Teachers 9th - 12th Standards
Learners identify chords and angles. In this geometry lesson, students calculate the length of the chords inside and outside of-the circle. They differentiate between tangent and secant lines.
Worksheet
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Estimating Pi as a Length

For Students Higher Ed
In this pi worksheet, students evaluate the curve of a quarter of a circle. They analyze the length of the curve, and explain that if the area under the curve is equal to pi, the length of the curve above is also equal to pi. Students...
Worksheet
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Similarity

For Students 9th
In this similarity activity, 9th graders solve and complete 6 different types of problems. First, they complete the statement in the box shown. Then, students determine whether they agree or disagree with the statement and given reasons....
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Home Inspection/Interview Regarding Lead Poisoning

For Teachers 8th - 10th
In this home inspection and lead poisoning worksheet, students read 3 different scenarios about family homes and their children with noticeable amounts of lead in their blood. Students identify the risk factors in each scenario and...
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Name That Tune: Matching Musical Tones Through Waveform Analysis

For Teachers 9th - 12th Standards
Pupils detect the waveform of musical notes to determine the code for the "safe" in this forensics simulation lesson. They use a microphone and tuning forks along with Vernier EasyData on their graphing calculator to analyze five musical...
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"Measurement in Motion"

For Teachers 9th
Ninth graders examine the rate of motion and changes in motion using a ramp and a rolling object. They conduct the demonstration, determine the average speed, and describe how a moving object can have zero acceleration and deceleration.
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A Recipe for Air

For Teachers 4th - 6th
Students create a pie graph using M&Ms to demonstrate the composition of air. They label each section of the graph, and list the fractions from largest to smallest.
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Special Protections-Session Six

For Teachers 1st - Higher Ed
Parents and children work together in a community circle to discuss caring for people with special needs. In separate groups, the children sing and listen to a story. They discuss ways people are alike, and ways they are different....
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"Slice of Pi with Neo-Excel"

For Teachers 6th - 8th
Learners explore diameter, radius, and circumference. They define radius, diameter, and circumference on an online dictionary, identify objects in the room with a radius and a diameter, and calculate the radius and diameter of various...
Unit Plan
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Elements of Art

For Teachers 3rd
Students explore three topics of elements of art in this seven lessons unit. An overview of light, space, figure, ground, pattern, balance and symmetry are presented in this unit.
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Calculate Circumference

For Students 5th - 6th
In this circumference worksheet, students calculate circumference of circle, answering in terms of pi. An answer key is given.
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Rhyme at Circle Time

For Teachers Pre-K
Students demonstrate proper hand washing techniques. In this personal hygiene lesson, students listen to included rhymes about cleanliness and identify the rhyming words. Students share situations where hand washing is essential.
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K12 Reader

Tap on the Map

For Students 1st Standards
Work on -ap words with a straightforward exercise. Class members read a short poem that includes plenty of -ap words and respond to three included reading comprehension questions.
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Evidence of Change Near the Arctic Circle

For Teachers 8th - 12th
Young scholars analyze graphs and make conclusions about climate change.  In this climates lesson students produce graphs and identify relationships between parameters.
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Survival of the Fittest

For Teachers 5th - 7th
Students explore plant needs and growth. In this plant science lesson, students use a cereal box to complete a plant growth graph activity.
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The Ants Go Marching

For Teachers Pre-K - 1st
Integrate art, math, life science, music, and fun in this beginning addition and subtraction activity. Children kinesthetically represent adding and subtracting numbers to 10; they stand up one at a time as you count forward and sit down...
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Amazing Transpiration

For Teachers 6th - 7th
  Learners observe a leaf and discuss the way that water is released from a leaf through its stomata.  For this water cycle instructional activity, students calculate how much water leaves produce from a whole tree. ...
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Thanksgiving Acrostic Poems

For Teachers 2nd - 4th
Young scholars watch streaming video, Holiday Facts and Fun: Thanksgiving, define and discuss acrostic poetry, complete circle map using words associated with Thanksgiving, and create acrostic Thanksgiving poems to be typed in Microsoft...
Worksheet
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Round and Round--Wheels and Axles

For Students 4th - 6th
In this wheels and axles worksheet, students read a 1 page article, make a list of how many objects they can find or think if that uses a wheel or axle and then design their own machine.
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Oceans-A Fact Haiku

For Teachers K - 4th
Students create haiku poems. In this poetry lesson, students listen to the sound of the ocean from an audio file and write a haiku poem about oceans.
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Floor Sculptures

For Teachers 4th - 5th
Students explore visual arts by completing a recycling activity. In this botany science lesson, students examine the natural layout of plants in a garden environment. Students utilize wire, wood and other arts and craft materials to...
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What a Square

For Teachers 3rd - 8th
Students examine the painting "Old Man With A Gold Chain" by Rembrandt. They identify geometric shapes in the painting, measure these shapes and compare the relationships of these measurements.
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The Bear Facts

For Teachers 2nd - 3rd
Students explore various kinds of bears and gather information about them.  In this research and habitats lesson, students chart their bear information on large posters with illustrations of their bears. Students map the...
Worksheet
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Volume Word Problems

For Students 10th
In this volume learning exercise, 10th graders solve 10 different word problems that include determining the volume in each one. First, they determine the ratio of their radius given the cubic meters of a sphere. Then, students determine...

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