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On Desk: Learning Log: Pencil Calculator Math Journal F&W Learning Log
Math CC7/8 – Be Prepared On Desk: Pencil Calculator Math Journal F&W Learning Log Parent Signatures? Learning Log: HW: p. 39, #13, 25-26, 28 Pass back FW Quiz- no sig. Keep quiz.
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Tasks for Today Warm up Lesson 2.3 – Slicing Prisms Begin HW?
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f f What happens to SA & V if you apply a scale factor of 0.5? Or 1.5?
Warm Up What happens to SA & V if you apply a scale factor of 0.5? Or 1.5? Kleenex Box - SA = 2 ( ) SA = sq. cm V = 21.5 x 10.5 x 5 V = 1, cubic cm Find SA & Vol.! H = 5 cm W = 10.5 cm L = 21.5 cm f 2 SA = f 3 V =
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Review of Rectangular Prisms
Where is a vertex? Where is an edge? Where is a face? Vertex Edge Face
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Review of Rectangular Prisms
Why is it called a rectangular prism? The base of the prism is in the shape of a rectangle. Prisms are named by their base. How many faces does a rectangular prism have? 6 faces How many vertices does a rectangular prism have? 8 vertices How many edges does a rectangular prism have? 12 edges
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Euler’s Formula is expressed in a variety of ways. One is …
E = V + F - 2
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Sketch and make predictions in your journal.
Then we’ll watch this video
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All have: 8 V 12 E 6 F 2 trapezoidal prisms 2 rect. prisms
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