## Monday, August 12, 2013

Math Standards:

MCC4.NBT.1 Recognize that in a multi-digit whole number, a digit in one place represents ten times what it represents in the place to its right.
For example, recognize that 700 ÷ 70 = 10 by applying concepts of place value and division.

MCC4.NBT.2 Read and write multi-digit whole numbers using base-ten numerals, number names, and expanded form. Compare two multi-digit numbers based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons.

Essential Questions:

• How can I represent numbers?
• How do we read and write numbers using base ten numerals, number names, and expanded form?

Important Vocabulary

Standard Form (Base ten numerals)
1,789,326

Expanded Form
1,000,000 + 700,000 + 80,000 + 9,000 + 300 + 20 + 6

Number Name
One million, seven hundred eighty-nine thousand, three hundred twenty-six
*Remember to put a hyphen between any number between 0 and 99 that is two words. (twenty-four, seventy-one, ninety-nine)

Period
Each group of 3 digits in a number
Each period is seperated by a comma
﻿ For example, the digits 281 are in the ones period.

Extra Practice
Place Value Quiz, Place Value Practice

http://www.studyzone.org/testprep/math4/d/expandedform4l.cfm

Scroll down to standard NBT2.