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4th Grade Curriculum  
   
MATH:
Essential Question

Place Value

What is the relationship between a digit's position and its value?
How can I represent the value of a number?
When is it appropriate to round a number?

Algebra
How can we use order of operations to find the answer to a number sentence 
with multiple operations?
Why do we use symbols to represent numbers in expressions and equations?

Multiplication and Division
What are the different ways I can show understanding of mulitiplication and 
division?
How can the area model of mulitiplication help me to understand the 
distributive property and partial products?
What strategies can I use to find the unknown value in an expression?

Data Analysis
How can we organize and display data according to the situation?
What is the difference between bar graphs, line graphs, and pictographs?

Enduring Understanding

Each digit in a number has a specific value. 
Numbers can be decomposed in various ways - a three-digit number e.g. 123 has 
a value of 123 ones, 12 tens, and 3 ones, or 1 hundred and 2 tens and 3 ones. 
The value of a digit is determined by its location in a number. 
Placing numbers in groups of ten is the basis of the base-ten system.  Taking 
apart and combining numbers in terms of groups of ten helps develop mental 
math abilities. 
Rounding is a form of estimation that changes numbers in a problem to make it 
easier to compute mentally. 
Estimation strategies have two main purposes.  They are used for prediction 
and to determine reasonableness of an answer. 
Numbers have patterns and rules can be applied to solve equations with an 
unknown. 
Data can be shown in many different ways.  The same data can be shown in 
different graphical representations. 
Arrays and repeated addition are ways to illustrate multiplication.  
Multiplication using area models shows the distributive property and partial 
products.  Multiplication should begins with models and move to the written 
record. 
There are two concepts of division, one involving partitioning or fair shares 
and the other related to measurement or repeated subtraction. 
Divison with remainders involves thinking about what is to be done with the 
remainder e.g. cookies can be kept but extra children needing transport on a 
trip cannot be left behind. 
There is a relationship between multiplication and division that supports 
fluency with facts. 
Multiplication and division problems can be made easier by the development of 
a story to connect the numbers.

SOCIAL STUDIES:
  Physical Features of the US
  Early Explorers
  Colonization 
  Birth of a Nation
  Creating a New Government
  Western Expansion
  Impact of Technology
  Civil War 
  Reconstructionps/Geography
 
SCIENCE:
  Scientific Method
  Water
  Weather
  Force and Motion
  Light
  Sound
  Stars and Solar Patterns 
  Earth
  Moon and Solar System
  Ecosystems
  Protective Adaptations
  
HEALTH:
  Emotional/Mental Health 
  Personal Health, Nutrition
  Growth and Development
  Disease Prevention
  Alcohol
  Tobacco and Other Drugs
  Safety

READING AND WRITING:
Narrative Writing, Text and Poetry, Response to Literature, Traditional 
Literature, Informational Writing and Text, Persuasive Essay, and Author 
Studies.

Please go to the Cobb County website to get a more detailed description of 
the curriculum.   Go to: www.cobbk12.org ; Scroll down to the “PICASSO 
Portal” button on the bottom right side of the home page.

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