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The Stained Glass Window
Learners use centimeter rulers and the attached worksheet containing a scale drawing of a stained glass window. The actual measurements of the stained glass window are given, and students are asked to find the actual measurement of the...
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Triangle Midsegment
Learn how to calculate the length and midsegments of triangles. High schoolers differentiate between similar and congruent triangles. They create a spreadsheet with their findings.
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Safe Driving Solutions
Students act as commissioners researching needed safety standards for vehicles and highways. They then draft recommendations to be included in a new highway safety bill. They cite reasons a particular measure would reduce fatal highway...
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"Space" Exploration
Fourth graders identify the attribute of volume of an object. Units of measurement are reviewed and utilized in this lesson.
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Ratios in Right Triangles
Learners calculate the sides of right triangles in this trigonometric ratios lesson. They use Cabri Jr. software and TI-83 or TI-84 calculators to find the side lengths and their ratios to each other for various triangles. The provided...
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Design Your Dream Room
Students determine length, width, perimeter, and surface area, and work with two-dimensional representations of three-dimension objects to design and write descriptions of their dream bedrooms.
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Roll Away Trees
First graders participate in a simulation involving newspaper, food coloring, water, and more to observe the debarking process of producing wood. In this wood lesson plan, 1st graders also measure, and learn about reducing, reusing, and...
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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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Who's got the fastest legs?
Students use a stopwatch to collect information for a scatterplot. For this fastest legs lessons, students collect data through the taking of measurements, create and find a median number. Students develop an equation and...
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Weather Dot Com
Students examine the need for a standard unit of temperature and measure temperature with a thermometer. They discuss the details of a thermometer and the calibrations used, record temperature data for inside and outside, explore...
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Angles: Angles, Angles, Everywhere
Students practice estiminating and measuring angles. After watching a short video, they identify angles in objects in the classroom and their homes. In groups, they participate in activities in which they are given a scenerio and are...
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Secants, Tangents and Arcs
Students 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.
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Chemistry Lab-Molar Volume of Gas
Students determine the molar volume of hydrogen gas. For this molar volume lesson plan, students find the molar volume of hydrogen produced in a reaction between magnesium and hydrochloric acid. They use a eudiometer to measure the...
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Perpendicular Segments in a Circle
High schoolers explore the concept of circles as they construct a circle using a program such as Cabri Jr. Learners construct a chord and a diameter that are perpendicular, then measure the bisected chord and notice that both sides of...
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Investigating Segments in a Right Triangle
High schoolers explore the concept of right triangles as they construct a right triangle using Cabri Jr. Learners find the midpoint of the hypotenuse and construct a line from the midpoint to the vertex of the right angle. They then...
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Scale Model of Our Nearest Stars
Sixth graders calculate a light day, light hour, and light minute from the standard of a light year. After establishing the distances, a one meter scale is created to demonstrate the distance between the sun and the planets of our solar...
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Congruent Trianges - Is This Enough Information?
Seventh graders determine whether two triangles are congruent and provide an explanation to why they are not. They apply concepts of measurement of angles and collect evidence of congruent angles in the world.
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Properties of Parallelograms
High schoolers discover properties of parallelograms as they construct a parallelogram using Cabri Jr. They will measure angles and side lengths of their construction and determine the relationship between the diagonals of a...
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Exploring the Centroid of a Triangle
Pupils examine the centroid of a triangle as they use Cabri Jr. to construct a triangle and its medians. The dynamic nature of the software allows learners to measure the lengths of the segments in the triangle and conjecture and verify...
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Woody Sine
Students explore the concept of sine. In this sine lesson, students create a sine graph from tooth picks. Students create a unit circle with tooth pick length radius. Students then take the tooth picks from the unit circle and put them...
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An Introduction to Chemistry
In this chemistry worksheet, learners solve 47 problems involving measurement conversions from one unit to another. They explain how values should be reported from measurements.
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Geometry: Calculating Perimeters
In this perimeter worksheet, students find the perimeter of 3 polygons. Students find the perimeter of irregular polygons given various side lengths.
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Cooking Cranberry Pudding
Students explore colonial cooking. In this cross curriculum George Washington and colonial America history lesson, students follow a recipe for cranberry pudding, a possible favorite of George and Martha Washington. Students...
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Which Quadrilateral Is It?
Students prove conjectures about geometric figures on the plane or in space using coordinate geometry. They develop fluency in operations with real numbers, vectors and matrices using mental computation or paper-and-pencil calculations...