Place Value and Number Sense

3.N.1

Skip count by 25's, 50's, 100's to 1,000

  1. Count by 100's at Free Math Test

3.N.2

Read and write whole numbers to 1,000

  1. Cookie Dough - type the word that corresponds to the numeral
  2. Do the reverse  and type in the number that corresponds with the word.
  3. Find the missing number - find the butterfly that holds the missing number
  4. Numeracy Games - many games dealing with numeration
  5. Really Big Numbers - Enter a number then click the Click here button to see how to write it.
  6. Reading 3 digit numbers - match the numeral with the number words

3.N.3

Compare and order numbers to 1,000

  1. Comparing Two Numbers - comparing 4 to 6 digit numbers.
  2. Greater or Smaller - Compare two numbers.
  3. comparing one digit numbers | comparing two digit numbers | comparing three digit numbers
  4. Less Than Lake Maze - Pick numbers less than the one chosen before and work your way across the lake.
  5. More Than Marsh - Pick numbers more than the one chosen before and work your way across the marsh.
  6. One False Move -Start with the lowest number and work your way up . If you don't know where to start, try using the map.
  7. One False Move -Start with the highest number and work your way down . If you don't know where to start, try using the map.
  8. Practice comparison at FreeMathTest numbers from 0 to 10, numbers from 10 to 50, numbers from 50 to 100.

3.N.4

Understand the place value structure of the base ten number system:

10 ones = 1 ten

10 tens = 1 hundred

10 hundreds = 1 thousand

  1. Identifying Place Values - when given a numeral, identify the place value of the digits
  2. My Place -  learn that the value of a digit is determined by the placement of that digit 
  3. Place Value - this video lesson explains place value in whole numbers and decimal numbers, and then gives your students the chance to show understanding on a quiz.
  4. Place Value -  Enter your own number or generate a random number, then answer questions about the place values
  5. Place Value Party - Choose any ages to start, then trade candles until both cakes have the same number.
  6. Place Value Strategy - [game for one or two players] a spinner is used to select a number, players then decide where to place the number in order to make the greatest possible decimal value
  7. Place Value in Words and Numbers - type correct numeral to represent the words
  8. Practice place value at FreeMathTest - numbers 10 to 99, numbers 100 to 999, numbers 1000 to 9999
  9. Specific Place - find the numeral in a specific place value

3.N.5

Use a variety of strategies to compose and decompose three-digit numbers

  1.   Expanded Form of Numbers - write the numeral the expanded form represents 

 2.   Trading Game - explore regrouping using place value blocks

3.N.6

Use and explain the commutative property of addition and multiplication


3.N.7  

Use 1 as the identity element for multiplication


3.N.8  

Use the zero property of multiplication


3.N.9  

Understand and use the associative property of addition


3.N.16

Identify odd and even numbers

  1. Ghost Blasters (Odd) - Click on ghosts that are even numbers. Click as many times as you can, you can get multiple points on each ghost.
  2. Ghost Blasters (Even) - Click on ghosts that are even numbers. Click as many times as you can, you can get multiple points on each ghost.
  3. Me Too - [ this link opens on a new page ] classify whole numbers as odd or even
  4. Twins - [ this link opens on a new page ] identify odd and even numbers

3.N.17

Develop an understanding of the properties of odd/even numbers

as a result of addition or subtraction


3.N.25

Estimate numbers up to 500


3.N.26

Recognize real world situations in which an estimate (rounding) is

more appropriate

  1. Basket Math provides rounding practice
  2. Round About - estimate by rounding
  3. Rounding to nearest ten
  4. Rounding to nearest hundred
  5. The Seashell Rounding Activity Page- Look at the number on each shell. Click on the nearest ten.
  6. Let's Go Shopping -  estimate by rounding to the nearest dollar as they shop

 

 

Last Modified on January 11, 2012