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Pumpkins!
Students discuss emotion, draw pumpkin faces and write about the way their pumpkin is feeling. In this emotions lesson plan, students make pumpkin faces and match pumpkin seeds to a card with seeds.
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Equations of Circles
Using Cabri Jr. young scholars construct a circle and determine the equation of the circle they drew by finding the center and the radius. Students use the distance formula to derive the equation of their circle.
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Segments Formed by Intersectiong Chords, Secants, and Tangents
Learners investigate the properties of segments formed which chords, secants, and tangents, intersect. The dynamic nature of Cabri Jr. allows students to form and verify conjectures regarding segment relationships.
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Betweenness and the Sum of Parts
High schoolers differentiate lines and angles using betweenness in this geometry lesson. They differentiate angles and lines using Cabri Jr. and analyze the data and make conjecture.
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Angles and Transversals
Pupils explore the concept of angles and transversals. They construct parallel and non-parallel lines cut by a transversal using Cabri Jr. Learners then determine which angles are congruent and the relationship of angles when two lines...
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Shortest Distance Between Points and Lines
Learners use technology to determine the shortest between two points in a plane. They are required to support their analytic explanations with visual illustrations.
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Angle Bisectors and Medians of Quadrilaterals
Young scholars investigate the properties of quadrilaterals formed by angle bisectors of a given quadrilateral and quadrilaterals formed by the medians of quadrilaterals. This Cabri Jr. lesson provides opportunity for conjecture and...
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Investigating Area Relationships
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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Midsegments of Quadrilaterals
High schoolers explore the concept of quadrilaterals as they find the midsegments of quadrilaterals using Cabri Jr. on a graphing calculator. They find midpoints, slopes, angles, and distances of lines and angles.
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Rotations in the Plane
Pupils investigate the properties of a rotation as they use technology (Cabri, Jr.) to observe the relationship between the pre-image and the image formed by the rotation. The lesson provides ample opportunity for learners to conjecture...
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Angles of a Triangle
Learners explore the measures of the angles of a triangle in this geometry lesson. They use Cabri Jr. to investigate the sum of the measures of the interior angles of a triangle, and examine the relationships between the interior and...
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Altitude, Median, and Angle Bisector of a Triangle
Learners investigate the special properties of an altitude, a median, and an angle bisector and explore how these special segments divide the area of a triangle. The dynamic nature of Cabri Jr. allows pupils to form and verify conjectures.
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Properties of the Centers of a Triangle
High schoolers investigate properties of the four centers of a triangle and explore a special property of the circumcenter and orthocenter of a triangle. This lesson requires the use of Cabri, Jr.
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Similar Triangles and Proportions
Pupils investigate similar triangles and proportions as they make conjectures about the length of sides of similar triangles. For this lesson, have your class construct similar triangles using Cabri Jr so that they share a common vertex.
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Triangle Inequality Theorem
High schoolers investigate the relationship between angle measures and sides of a triangle and the relationships among the three sides of a triangle. The use of technology (Cabri, Jr.) allows learners to make and test conjectures as they...
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Using Real-Data from North Dakota to Study Place Value, Rounding, Estimation, Fractions, and Percents
In this real-data worksheet, students use data from the 2008 Census Bureau to answer eight questions divided into four activities. The topics covered include: place value, rounding, estimation, fractions, and percents.
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Quarters and Dollars
Second graders determine value of quarters and dollars, solve real-life problems involving money, and compare values of sets of coins and bills.
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My Crazy Contraption
Fourth graders design a contraption, which contains five different examples of simple machines and works without intervention. They sketch designs and label its parts. They present their creations to the class and relate them to Rube...
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What's Up With the Weather?
Students examine raw data about temperatures throughout the world and record their observations. They work together to graph a specific year of data. They calculate an average temperature and discuss their findings.
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Rhinos and M&M's
Students analyze patterns of exponential models by collecting data in paper folding and M&M investigations. They use graphing calculators to create scatter plots that lead to equations for the exponential models. They then apply this...
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Functions and Statistics: International Space Station: Up to Us
Learners explore how the International Space Station was built and how it provides first-hand experiences with the space program. They view the NASA engineers discussing the major components of the International Space Station, their...
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Patterns, Functions, and Algebra: Wired for Space
Learners assess how patterns, functions and algebra can assist NASA engineers design new ways of propelling spacecrafts. They explore how electricity and magnetism are replacing the fuel-consuming rocket propulsion. Electromagnetism is...
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Data Analysis and Measurement: Ahead, Above the Clouds
Students explore and discuss hurricanes, and examine how meteorologists, weather officers, and NASA researchers use measurement and data analysis to predict severe weather. They plot points on coordinate map, classify hurricanes...
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Summer Fun Activity: Have a Picnic
Students celebrate the summer by preparing a picnic together. In this early childhood lesson plan, students word together to prepare a picnic and develop fine motor and cooperative skills.