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On Desk: Learning Log: Pencil Calculator Math Journal F&W Learning Log

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Presentation on theme: "On Desk: Learning Log: Pencil Calculator Math Journal F&W Learning Log"— Presentation transcript:

1 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.

2 Tasks for Today Warm up Lesson 2.3 – Slicing Prisms Begin HW?

3 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 =

4 Review of Rectangular Prisms
Where is a vertex? Where is an edge? Where is a face? Vertex Edge Face

5 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

6 Euler’s Formula is expressed in a variety of ways. One is …
E = V + F - 2

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13 Sketch and make predictions in your journal.
Then we’ll watch this video

14 All have: 8 V 12 E 6 F 2 trapezoidal prisms 2 rect. prisms

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