# 5th Grade Module 1 Terminology

• Terminology

New or Recently Introduced Terms

§   Thousandths (related to place value)

§   Exponents (how many times a number is to be used in a multiplication sentence)

§   Millimeter (a metric unit of length equal to one thousandth of a meter)

§   Equation (statement that two mathematical expressions have the same value, indicated by use

of the symbol =; e.g., 12 = 4 x 2 + 4)

Familiar Terms and Symbols

§   Centimeter (cm, a unit of measure equal to one hundredth of a meter)

§   Tenths (as related to place value)

§   Hundredths (as related to place value)

§   Place value (the numerical value that a digit has by virtue of its position in a number)

§   Base ten units (place value units)

§   Digit (a numeral between 0 and 9)

§   Standard form (a number written in the format: 135)

§   Expanded form (e.g., 100 + 30 + 5 = 135)

§   Unit form (e.g., 3.21 = 3 ones 2 tenths 1 hundredth)

§   Word form (e.g., one hundred thirty-five)

§   Number line (a line marked with numbers at evenly spaced intervals)

§   Bundling, making, renaming, changing, regrouping, trading

§   Unbundling, breaking, renaming, changing, regrouping, trading

§   >, <, = (greater than, less than, equal to)

§   Number sentence (e.g., 4 + 3 = 7)