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Measurements Of Polygons And Circles Worksheets - Lance Mangham, 6th Grade Math, Carroll Isd Page 37

Activity 10-28: Hot Tubs

Name:

Hot tubs and in-ground swimming pools are sometimes surrounded by borders of tiles. You have a

square hot tub with sides of length b feet. Your tub is surrounded by a border of square tiles. Each

border tile measures 1 foot on each side. How many 1-foot square tiles will be needed for the square

border of the hot tub that has edge length of b feet?

Draw separate pictures in which you group the border tiles in different, logical arrangements and then

express the total number of tiles needed with equivalent expressions (one for each picture you have

drawn).

This problem tells you specifically to draw pictures, so that must be the strategy! Luckily for you, the

pictures have already been drawn for you on the other side. Your job is to look specifically at how the

tiles have been grouped to come up with an appropriate expression using numbers, variables, and

operations. Hint: If you simplified all your expressions, you would get the same answer every time.

THE HOT TUB

Created by Lance Mangham, 6

grade math, Carroll ISD

Measurements Of Polygons And Circles Worksheets - Lance Mangham, 6th Grade Math, Carroll Isd Page 37