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3rd Grade Number Sense

Page history last edited by Tim Fahlberg 11 years, 5 months ago

Home > Mathcasts Library > By Grade Level > K-73rd Grade  > 3rd Grade Number Sense


 

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 3rd Grade Number Sense:  Standards and Practice Problem(s)
VoiceThread
Mathcasts

3NS.1.0 Students understand the place value of whole numbers:

 

3NS.1.1 Count, read, and write whole numbers to 10,000.

 


   

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3NS.1.2 Compare and order whole numbers to 10,000.
      
 
 
Full-sized mathcast
 
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3NS.1.3 Identify the place value for each digit in numbers to 10,000.
     
 
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3NS.1.4 Round off numbers to 10,000 to the nearest ten, hundred, and thousand.
      
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3NS.1.5 Use expanded notation to represent numbers (e.g., 3,206 = 3,000 + 200 + 6).
      
 
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3NS.2.0 Students calculate and solve problems involving addition, subtraction, multiplication, and division

 

 
3NS.2.1 Find the sum or difference of two whole numbers between 0 and 10,000.
      
 
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3NS.2.2 Memorize to automaticity the multiplication table for numbers between 1 and 10.


     

 
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3NS.2.3 Use the inverse relationship of multiplication and division to compute and check results.
      
 
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3NS.2.4 Solve simple problems involving multiplication of multidigit numbers by one-digit numbers (3,671 x 3 = __).
      
 
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3NS.2.5 Solve division problems in which a multidigit number is evenly divided by a one-digit number (135 รท 5 = __).
        
 
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3NS.2.6 Understand the special properties of 0 and 1 in multiplication and division.
      
 
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3NS.2.7 Determine the unit cost when given the total cost and number of units.
       
 
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3NS.2.8 Solve problems that require two or more of the skills mentioned above.
      
 
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3NS.3.0 Students understand the relationship between whole numbers, simple fractions, and decimals

 
3NS.3.1 Compare fractions represented by drawings or concrete materials to show equivalency and to add and subtract simple fractions in context (e.g., 1/2 of a pizza is the same amount as 2/4 of another pizza that is the same size; show that 3/8 is larger than 1/4).
       
 
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3NS.3.2 Add and subtract simple fractions (e.g., determine that 1/8 + 3/8 is the same as 1/2).


       

 
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3NS.3.3 Solve problems involving addition, subtraction, multiplication, and division of money amounts in decimal notation and multiply and divide money amounts in decimal notation by using whole-number multipliers and divisors.
       
 
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3NS.3.4 Know and understand that fractions and decimals are two different representations of the same concept (e.g., 50 cents is 1/2 of a dollar, 75 cents is 3/4 of a dollar).
       
 
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