Curated OER
Pythagorean Theorem Word Problems
Students investigate the concept of the Pythagorean Theorem for geometry by using word problems. The challenge is for them to translate the words into the right measurements for a triangle looking for the longest side known as the...
Curated OER
Solids...Volume and Surface Area
In this volume and surface area worksheet, students find the volume and surface area of different solid figures. Students complete 8 problems.
Curated OER
Perpendicular Lines
In this perpendicular lines practice worksheet, students find and list examples of perpendicular lines at home, at school, and outside.
Curated OER
Perfumania
High schoolers identify various geometric shapes. Apply the given formulas to determine the volume of these shapes. Design their own container to conform to specifications provided. Use their knowledge of volume formulas and shapes to...
Curated OER
Four Forces of Flight
Learners explore the four forces of flight. They investigate the four forces of flight: lift, drag, thrust and weight (gravity). They experiment with flight-testing various objects commonly found around the house and constructing paper...
Curated OER
Similarity and Congruence
Students explore the concept of similarity and congruence. In this similarity and congruence lesson, students identify and verify whether or not two figures are similar, congruent, or neither. Students use postulates and theorems such as...
Curated OER
Similarity and Congruence
Learners explore the concept of similarity and congruence. In this similarity and congruence lesson plan, students cut out strips of paper and form a triangle. Learners try to prove that their triangles are congruent using the SSS...
Curated OER
Surface Area and Volume of Similar Solids
Students explore similar figures. In this surface area and volume lesson, students identify the relationship between the surface area and volume of similar figures.
Curated OER
The Pythagorean Theorem, the Distance Formula, and Slope
Students explore the concept of the Pythagorean Theorem. In this Pythagorean Theorem lesson, students derive the distance formula and slope of a line from the Pythagorean Theorem.
Curated OER
Constructions, Sketches, and Drawings
Students explore the concept of constructions, sketches, and drawings. In this constructions, sketches, and drawings lesson, students discuss the differences between constructions, sketches, and drawings through teacher led discussion.
Curated OER
Concurrent Lines in Triangles
Students explore the concept of concurrent lines in triangles. In this concurrent lines in triangles lesson, students work in groups to investigate properties of concurrent lines in acute, right, and obtuse triangles. Students use a...
Curated OER
Paragraph Proofs
Students explore the concept of paragraph proofs. In this paragraph proofs lesson, students make flow charts of the process of getting ready for school. Students convert the flow chart to a paragraph proof. Students use geometric...
Curated OER
As Easy As Pi!
Middle schoolers conduct a scavenger hunt to find circular objects at home, then use the objects to find the pattern of pi.
Curated OER
Calculation the Cricumference of Earth using "Google Earth"
Eighth graders investigate properties of circles. For this eight grade mathematics lesson, 8th graders apply proportional reasoning to data gathered with “Google Earth” to calculate equatorial and polar circumference of the...
NASA
Foam Rocket
When going for distance, does it make a difference at what angle you launch the rocket? Teams of three launch foam rockets, varying the launch angle and determining how far they flew. After conducting the series of flights three times,...
NASA
Pop! Rockets
Off they go — launching rockets is fun. The lesson plan contains templates to build paper rockets that can be launched from a PVC pipe launcher. Individuals or groups build the rockets and determine the shapes for their fins. Included...
PHET
Where to See an Aurora
Where can you see an aurora in North America? After completing an astronomy activity, scholars can locate the exact coordinates. Pupils plot points of the inner and outer ring of the auroral oval and answer questions based on...
PHET
Soda Bottle Magnetometer
Introduce learners to set of complete instructions that describe how to build a magnetometer that works just like the ones professional photographers use to predict auroras. The diagrams are wonderfully descriptive, and the written...
Curated OER
Will the Leaning Tower Fall?
High schoolers research the Tower of Pisa and write a report about its history. They examine the physics of why it leans and whether it might fall. Students plan a trip to Italy to view the Tower. They develop an itinerary and budget for...
Curated OER
Secant and Secant Segments
Learners use the secant and secant segment theorem to solve problems. In this calculus instructional activity, students identify where the secant line crosses on a circle. They create circles and secants using cabri software.
Curated OER
What's My Ratio?
Students investigate ratios of various objects. In this ratios of various objects lesson, students draw pictures on graph paper and then dilate or shrink the image. Students determine the ratio of their pictures. ...
Curated OER
Exploring Trigonometric Ratios
Young scholars identify the ratios of trig functions. In this trigonometry lesson, students construct triangles and use it to derive the values of sine, cosine and tangent. They use Cabri software to create the visual of the identities.
Curated OER
Drawing a Triangle with Cabri Junior
Learners draw triangles on their graphing calculators using the Cabri Junior application. For this graphing calculator lesson, students follow step by step directions to create triangles on their calculator. They identify the type of...
Curated OER
Secant Line Approximation of the Tangent Line
Young scholars perform operation with secant and tangent lines. For this calculus lesson, students find the derivative and relate it to the slope of a line. They differentiate between secant and tangent as they intersect a circle, using...
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