Compare numbers - to consider the value of two numbers to determine which number is greater or less or if the numbers are equal in value, Counting (natural) numbers - the set of positive numbers that begins at one and increases by increments of one each time {1, 2, 3, ..., n}, Decimal number - 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, Digit - any numeral from 0 – 9, Expanded form - the representation of a number as a sum of place values (e.g., 985,156,789 as 900,000,000 + 80,000,000 + 5,000,000 + 100,000 + 50,000 + 6,000 + 700 + 80 + 9; 985,156,789.78 as 900,000,000 + 80,000,000 + 5,000,000 + 100,000 + 50,000 + 6,000 + 700 + 80 + 9 + 0.7 + 0.08), Expanded notation - 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., 985,156,789 as (9 × 100,000,000) + (8 × 10,000,000) + (5 × 1,000,000) + (1 × 100,000) + (5 × 10,000) + (6 × 1,000) + (7 × 100) + (8 × 10) + (9 × 1); 985,156,789.78 as 9(100,000,000) + 8(10,000,000) + 5(1,000,000) + 1(100,000) + 5(10,000) + 6(1,000) + 7(100) + 8(10) + 9(1) + 7(0.1) + 8(0.01)), Numeral - a symbol used to name a number, Order numbers - to arrange a set of numbers based on their numerical value, Period - 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, Place value - 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 - the representation of a number using digits (e.g., 985,156,789.78), Strip diagram - a linear model used to illustrate number relationships, Whole numbers - the set of counting (natural) numbers and zero {0, 1, 2, 3, ..., n}, Word form - the representation of a number using written words (e.g., 985,156,789 as nine hundred eighty-five million, one hundred fifty-six thousand, seven hundred eighty-nine; 985,156,789.78 as nine hundred eighty-five million, one hundred fifty-six thousand, seven hundred eighty-nine and seventy-eight hundredths),

4th Grade Place Value

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