Solids of Revolutions Essential Question: What 3-dimensional solid is formed when a 2-dimensional object is rotated 360 degrees? Demonstrated by matching.

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Presentation transcript:

Solids of Revolutions Essential Question: What 3-dimensional solid is formed when a 2-dimensional object is rotated 360 degrees? Demonstrated by matching 2-D objects with their 3-D solids in pairs.

When rotating a 2-dimensional object 360 degrees around the x-axis or the y-axis a 3-dimensional object is formed. Examples: EQ: What 3-dimensional solid is formed when a 2-dimensional object is rotated 360 degrees? Demonstrated by matching 2-D objects with their 3-D solids in pairs.

If time permits, teachers can click here to go experiment with the 3D Transmographer: her/ EQ: What 3-dimensional solid is formed when a 2-dimensional object is rotated 360 degrees? Demonstrated by matching 2-D objects with their 3-D solids in pairs.

Instructions: 1.Students will work in pairs to match 2D figures on the coordinate plane with their matching 3D solid. 2.Students will work in pairs but will complete their own matching activity. 3.To find the correct match, students will rotate 2- dimensional figures around the x-axis or the y- axis to form a 3-dimensional solid. Students will match the 2D figure with the correct 3D solid and identify which axis it was rotated around. Pairs Matching Activity EQ: What 3-dimensional solid is formed when a 2-dimensional object is rotated 360 degrees? Demonstrated by matching 2-D objects with their 3-D solids in pairs.

Summary: Students should write a 3-4 sentences answering the essential question and summarizing the activity performed in class. EQ: What 3-dimensional solid is formed when a 2-dimensional object is rotated 360 degrees? Demonstrated by matching 2-D objects with their 3-D solids in pairs.