pre-algebra chapter 1
Terms
undefined, object
copy deck
- variable
- letter that stands for a number
- variable (algebraic) expression
- mathematical phrase that uses variables, numbers, and operation symbols
- numerical phrase
- mathematical phrase that uses numbers and operation symbols
- simplify
- perform all possible mathematical operations
- evaluate
- substitute a given value for a variable and simplify the resulting expression
- natural (counting)numbers
- 1, 2, 3, ...
- whole numbers
-
natural numbers and zero
0, 1, 2, 3, ... - integers
-
whole numbers and their opposites
...,-2, -1, 0, 1, 2, ... - opposite of a number
- a number that is the same distance from zero on the number line
- absolute value
- the distance between a number and zero on the number line; always non-negative
- inductive reasoning
- making conclusions based on patterns
- conjecture
- conclusion based on inductive reasoning