This page is here to help review or teach you how terms are used in our third grade classroom. Some meanings might be simplified to be more age appropriate and give a base to build on in the future. Hopefully it will help to give common understanding for the family. As the year progresses we will add to our list.
Language Arts
Main Idea = the big picture, overall idea of paragraph or section of a text. Supporting details = describe, explain, and help give specific information about the main idea. Biography = a life story about someone written by someone else. |
Mathematics
Place Value
The position of a digit 249,735
Number forms
Value
Compare
10 – 3 > 3 + 3 1/2 = 3/6 2 + 4 ≠ 2 x 4 Rounding
5490 Addition= Sum
Addition is the inverse of subtraction Subtraction = Difference
Subtraction is the inverse of Addition |
Social Studies
• community: A place where people live, work, and play • laws: Important rules written and carried out by government • Rules: Guidelines for how people should act or behave • government: A group of people who makes laws, carries out laws, and decides if laws have been broken The purpose of laws is to keep people safe and maintain order. The purpose of government is to make laws, carry out laws, and decide if laws have been broken. Governments are necessary because they develop the laws and protect the rights and property of individuals. Republican form of government: A representative democracy |
Science
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