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Module 3
Place Value, Counting, and Comparison of Numbers to 1000


Overview

Throughout this module, students will: 
  • understand units as bundles (groups) of ones, tens, and hundreds up to one thousand
  • understand that counting up on the place value chart shows movement from right to left as the numbers increase (ex. 10 ones is renamed 1 ten)
  • fluently count by 1s, 10s, and 100s
  • model base ten numbers with money
  • write and name numbers in expanded form, word form, standard form, and unit form
  • compare three-digit numbers using <, >, =
Vocabulary
Terminology Definition Illustration
Base Ten Numerals Any of the symbols 0, 1, 2, 3, 4, 5,
6, 7, 8, or 9. (also known as digits)
0 1 2 3 4
5 6 7 8 9 

 
     
Base Ten Numeral Form A common way of writing a number using digits.
The value of a numeral depends on where it appears in the number.
(also known as standard form)
234
3 is in the tens place.
It has a value of 3 tens or 30. 

 
     
Compose To put together smaller numbers to make larger numbers. 
     
Decompose To separate a number into 2 or more parts. 
     
Expanded Form A way to write numbers that shows the place value for each digit. 
     
Greater Than Used to compare two numbers when the first number is larger than the second number. 
     
Hundreds The value of a digit that is the third position from the right when describing whole number place value. 
     
Less Than Used to compare two numbers when the first number is smaller than the second number. 
     
Number Names A way of using words to write a number. (also known as word form)  The number name of 234 is
two hundred, thirty-four. 
     
Place Value The value a digit has because of its place in a number. 
     
Standard Form A common way of writing a number using digits. (also known as base-ten numeral form) 234
     
Thousands The value of a digit that is the fourth position from the right when describing whole number place value. 
     
Word Form A way of using words to write a number. (also known as number names) 
The word form
of 234 is two hundred, thirty-four. 












Additional Resources
 

bundling from JD K-4 Math on Vimeo.

place value from JD K-4 Math on Vimeo.

empty number line subtraction from JD K-4 Math on Vimeo.


DISTRICT

OUR SCHOOLS




Dr. Peter Smith, Superintendent

P.O. Box 606
DeWitt, NY 13214

Phone: (315) 445-8300
www.jamesvilledewitt.org


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