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Congruent and Similar Figures: Reteach
In this congruent and similar figures instructional activity, students review three steps to help them determine if figures are congruent, similar, or neither. Students then study the pairs of shapes and determine if they are congruent,...
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Problem Solving Using Power Polygons
Students investigate geometric shapes by creating figures on a plane. In this polygon lesson, students complete a worksheet based on the angles in a power polygon. Students identify the different types of polygons and define their...
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Making Parallel Lines
Young scholars differentiate between parallel and perpendicular lines. In this geometry lesson, students make conjectures and apply it to solve real life situations. They collect data and make predictions based on the data.
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Congruence: Practice
In this congruence learning exercise, students trace figures, measure sides and angles, mark congruent sides and angles, then use a given diagram to answer questions and explain reasoning. Students also answer 2 test prep questions....
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Trig is SOH Easy!
Students derive the six trigonometric identities. In this trigonometry lesson, students review the parts of a right triangle and use the Pythagorean theorem as a guide to find the trig identities. They find sine, cosine and tangent ratios.
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Friction Fanatics
Student and compare the three types of friction. In this physics lesson, students determine the coefficient of friction using the CEENBoT. They investigate how friction changes as the angle of the incline changes.
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Leaping Lemurs! How far can you jump?
Students watch a segment of the PBS video which show the lemurs' ability to jump. In pairs, students collect measurement data involving each other's length of a standard step, a standing broad jump, and a long jump. They record their...
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Similarity and Congruence
Students explore the concept of similarity and congruence. In this similarity and congruence instructional activity, students identify and verify whether or not two figures are similar, congruent, or neither. Students use postulates and...
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Similarity and Congruence
Learners explore the concept of similarity and congruence. In this similarity and congruence lesson, students cut out strips of paper and form a triangle. Learners try to prove that their triangles are congruent using the SSS theorem of...
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Christmas Presents
Seventh graders create a graph of their Christmas gifts. They develop categories, compute fractional and decimal parts for each category, identify the number of degrees to represent each fractional part, and create a circle graph to...
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Structures and Shapes
Students make jewelry using different shapes from magazines, tissue paper, cardboard, and other materials. In this making jewelry lesson plan, students complete this hands on activity to discuss how shapes are used.
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Tangent Properties
Students explore properties of tangent lines. In this properties of tangent lines lesson, students discuss the perpendicular relationship between a tangent line on a circle and the circle's radius. Students use that...
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Exploring Pendulums
Young scholars observe the movement of pendulums, they begin to understand the relationship between gravitational forces and the mass of objects, the changes in speed and direction of objects, and the distance between objects. They...
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Triangles
Students discover the difference between triangles. In this triangle lesson plan, students discuss the different types of triangles, then draw the three different types of triangles. The teacher will draw, or model, how to draw the...
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Individual Sundial (Cloud/Rain Activity)
Students make a simple sundial to examine the changes in shadows over time. In this sundial and shadow lesson, students make a simple sundial out of a manila folder and pencil. They observe how shadows change over time, and relate it to...
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Tessellation Trial and Error
In this interactive lesson, students review attributes of equilateral polygons. They are introduced to the concept of a tessellation. Using protractors and pre-cut shapes, students arrange a variety of tiles to create tessellations. They...
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Landslides!
Middle schoolers discover soil and Earth movement by experimenting in class. In this Earth Science lesson, students utilize a stream table, soil, graduated cylinder and water to create a re-enactment of a landslide. Middle...
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Strongest Polygon
Students define and identify shapes by name. In this geometry lesson, students construct, identify and compare polygons based on the number of sides. They classify each shape based on their angle sum theorem.
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Multiple Images Activity
In this images worksheet, students use different sized mirrors to determine how many angles and images are reflected. Students complete 5 sets of directions.
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Polygons
In this polygon worksheet, students draw various polygons according to given specifications and find angle sums. A website reference for additional resources is given.
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How Tall Is That Flag Pole?
Students examine various triangles and discuss how similar triangles have sides that are proportional. They utilize an ancient Egyptian method to determine the height of a flagpole.
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Clocks and Time
Students construct clocks and then learn how to read a clock face, tell time, and determine how much time has elapsed.
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Trigonometric Applications Outside the Classroom
Fifth graders describe and demonstrate how trigonometry can be used to find the height of a tall building or tree. They describe and demonstrate how trigonometry can be used to find the height of a high hill, or other high object where...
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Graph Both Crusts
Fourth graders calculate the angles and construct a pie graph of the percentages of the elements in the continental and oceanic crusts. Then they analyze the results. They can be assigned the task of researching the percentages.