Math Unit 1 Vocabulary

the set of counting (natural) numbers and zero {0, 1, 2, 3, ..., n}

• identity property

• decimal point

• product

• whole numbers

 a number in the base-10 place value system used to represent a quantity that may include part of a whole and is recorded with a decimal point separating the whole from the part

• digits

• Whole number

• Decimal number

• counting on

any numeral from 0 – 9

• difference

• digit

• rounding

• quotient

 the representation of a number as a sum of place values (e.g. 264= 200=60=4)

• Digits

• Expanded Form

• Standard Form

• Written Form

the representation of a number as a sum of place values where each term is shown as a digit(s) times its place value (e.g., 264= (2X100) = (6X10) = (4X1)

• Expanded Notation

• Factor

• Compatible numbers

• Expanded Form

 to arrange a set of numbers based on their numerical value

• Addition

• Word form

• Order numbers

• Strip diagram

 a three-digit grouping of whole numbers where each grouping is composed of a ones place, a tens place, and a hundreds place, and each grouping is separated by a comma

• Word Form

• Period

• Strip diagram

• Digit

 the value of a digit as determined by its location in a number such as ones, tens, hundreds, one thousands, ten thousands, etc.

• Standard Form

• Decimal number

• Place Value

• Numeral

 the representation of a number using digits (e.g., 985,156,789.78)

• Standars Form

• Expanded Form

• Written Form

• Whole numbers

a linear model used to illustrate number relationships

• Place Value

• Compare Numbers

• Strip Diagram

• Expanded Notation