Activity Set #4: Algebra, Representation, Symbol, Number, Relation and Proportion

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Think/Pair/Share

•How is proportion related or not related to shape, absolute size, or number in a group?

glossary entrees/ words to discuss meaning:

proportion*
number*
quantity
unit
congruence
internal ratio

Think/Pair/Share

•What is the role of the "8" in the expression Perimeter=8*Side or P=8*S for an octagon.

glossary entrees/ words to discuss meaning:
number**
proportion***
relationship
abstraction
representation, represent*
symbol*

Think/Pair/Share

•Take the definition we came up for the "8" in P=8*S and generalize it to come up with a definition for "number" in the expression Whole=#*Part or W=#*P.

glossary entrees/ words to discuss meaning:
number***

Think/Pair/Share

•When your 1st grade teacher gave you a worksheet to fill out that pictured three apples and then had an equal-sign and big space where you were supposed to write the number "3" what error was she unconsciously making?