Math 483• Two Article Responses due• POW due Wed (Diff of Squares)

SMS• Your lesson plan for today

Cutting Corners

12”

9”

Squares are cut from a 9-by-12-inch piece of cardboard so the four flaps can be folded up. What

size squares should be cut so that the volume of the box is the largest possible?

ReversalsTake a three-digit number, reverse its digits, and subtract the smaller from the larger. Reverse the digits of the result and add.

123 -> 321, 321 – 123 = 198198 -> 891, 198 + 891 = 1089

IN OUT

+5

x2?

x4

÷8

?x6

-4+2+8

Lots of SquaresCan you divide a square into a certain number of smaller squares?

Cutting Through the Layers

•No Articles tonight•POW due Wednesday•Send me your lesson outline if you teach on Monday

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