Numbers

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Number Concepts

*Natural numbers elementary Positive counting numbers: 1, 2, 3, ...
 *Counting
  *Number line with positive numbers
 *Numeration
  *Decimal numeration
 *Addition and subtraction of postive whole numbers
 *Multiplication and division of postive whole numbers
 *Exponents
 *Expressions
  *Order of operations
  *Evaluating expressions
 *Rounding and estimating
*Integers Positive and negative whole numbers and zero: ..., -3, -2, -1, 0, 1, 2, 3, ...
 *Negative numbers
 *Number line with negative numbers
 *Addition of positive and negative whole numbers
 *Subtraction of positive and negative whole numbers
 *Multiplication and division of positive and negative whole numbers