Chapter 5 Math Test 2. txt
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Define Numeration System
a set of symbols and the rules for combining these symbols; communicate number ideas

Define Number
abstract idea that characterizes the quantity of a set "can't see or speak"

Define Numeral
symbol that names the number characteristic of a set "communicate idea of number"

Define Digit
individual symbols that are used to create numerals

Name the Three Values of Base 10
 1. Fave Value
 2. Place Value
 3. Total Value

Definition of Face Value
the cardinality of the family of sets that is associated with a digit. it is stable

Definition of Place Value
the value of the position the digit occupies. it is stable.

Definition of Total Value
face value x place value. it is variable.

Reasoning for Teaching Place Value to Children
children will understand the way number systems work

Rounding Thinking Process
Such a # is between this many tens and this many tens but is closer to this many tens.

Nonstandard Interpretations of Numbers
 1. written in place value
 2. always one standard interpretation
 3. must write out every word and no abbreviations
 4. 1254 (1 thousand + 2 hundreds + 5 tens + 4 ones)