4th Grade Math 1.2, Read and Write Numbers in Standard Form, Word Form, Expanded Form

We can read and write numbers through hundred thousands in standard form, word form, and expanded form. We review Periods in a place-value chart, and how each period contains hundreds, tens, and ones. When we write a number in Standard Form or Word Form, we put a comma between each Period. We use a place-value chart to find which digit in the number has the greatest value. The number farthest to the left will have the greatest value. We use a place-value chart to write large numbers in Standard Form, Word Form, or Expanded Form. We write the names of each period greater than the Ones Period, when writing in Word Form. The last Period is always the Ones Period, so we don't need to read or write the word Ones. If we total all the addends of a number written in Expanded Form, it would equal the number written in Standard Form. We use a table of information of city populations to find which city has the greatest value in the ten thousands place. We write the population of another city in Word Form. We use common sense and deductive reasoning to figure out what a possible score in a game could be by adding place values.

4th Grade Math Playlist (2015)

I'm using the Houghton Mifflin Go Math!
2015 copyright textbook for this playlist.

You can practice online using the textbook's website

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