# Chapter 1 Numbers to 10,000

• Chapter 1

Chapter Objective:

* Count and compare numbers to 10,000

Vocabulary:

Word Form - Two thousand, four hundred seventy-eight is the word form for 2,478.

Standard Form -2,478 is the standard form of two thousand four hundred seventy-eight.

Digit - A number is made up of digits. In the number 1,479, the digits are 1,4,7 and 9.

Place-value chart/ place-value strip - A table or grid showing the place value of each digit in a number.

Expanded form - 2,000 + 400 + 70 + 8 is the expanded form of 2,478.

Greater than ( > ) - Use greater than when comparing two numbers. Ex: 2,000 > 1,000

Less than ( < ) - Use less than when representing a smaller quantity. Ex: 1,000 < 2,000

Least - Use least when representing the smallest quantity.

Greatest - Use greatest when representing the highest quantity.

Rule - An operation that relates consecutive numbers in a number line or sequence.

Number line - A number line is a line on which  numbers can be located.