**Place Value Vocabulary: Please help your child to be able to read the word, spell the word, know the definition, and use the word in a sentence.**

- place value - the value of the place a digit has in a number
- digits - the symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 used to write numbers
- expanded form - a number written as the sum of the values of its digits
- standard form - a number written with commas separating groups of three digits
- period - a group of 3 digits in a number, separated by commas, starting from the right
- ordinal numbers - a number used to show the order of people or objects
- compare - to find out which number is greater and which number is less
- dollar sign - a symbol that show money amounts
- order - to write numbers from greatest to least or from least to greatest
- decimal point - a point that separates dollars and cents and ones from tenths in a number