Match the vocabulary word with its definition. 1. a number that expresses a portion of a whole
number line
2. the position of a digit in a number, which determines its value
decimal fraction
3. a period separating the whole number and fractional parts of a number
place value
4. a line that graphically represents all numbers
fraction
5. a fraction in which the denominator is 10 or a power of 10
decimal point