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 5th Grade Number Sense:  Standards and Practice Problem(s)
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5NS.1.0 Students compute with very large and very small numbers, positive integers, decimals, and fractions and understand the relationship between decimals, fractions, and percents. They understand the relative magnitudes of numbers.  

5NS.1.1 Estimate, round, and manipulate very large (e.g., millions) and very small (e.g., thousandths) numbers.

 


 Ready
 

5NS.1.2 Interpret percents as a part of a hundred; find decimal and percent equivalents for common fractions and explain why they represent the same value; compute a given percent of a whole number.


    

Ready

5NS.1.3 Understand and compute positive integer powers of nonnegative integers; compute examples as repeated multiplication.


      

 
 
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 5NS.1.4 Determine the prime factors of all numbers through 50 and write the numbers as the product of their prime factors by using exponents to show multiples of a factor (e.g., 24 = 2 x 2 x 2 x 3 = 23 x 3).


     

 
 
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 5NS.1.5 Identify and represent on a number line decimals, fractions, mixed numbers, and positive and negative integers.


     

  Ready
 5NS.2.0 Students perform calculations and solve problems involving addition, subtraction, and simple multiplication and division of fractions and decimals.  1 (21)

 5NS.2.1 Add, subtract, multiply, and divide with decimals; add with negative integers; subtract positive integers from negative integers; and verify the reasonableness of the results.


      

 
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5NS.2.2 Demonstrate proficiency with division, including division with positive decimals and long division with multidigit divisors.


       

 
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5NS.2.3 Solve simple problems, including ones arising in concrete situations, involving the addition and subtraction of fractions and mixed numbers (like and unlike denominators of 20 or less), and express answers in the simplest form.


      

 
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5NS.2.4 Understand the concept of multiplication and division of fractions.     

 

    
      

    

 
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Student voices
 
 

5NS.2.5 Compute and perform simple multiplication and division of fractions and apply these procedures to solving problems.     


       

5NS2-5

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Student voices for each part

 

Keywords: addition, decimals, division, exponents, fractions, millions, mixed numbers, multiplication, operations with fractions, percents, prime factors, subtraction, thousandths, word problems.

 

Source: www.csun.edu/~vcmth00m/practice.html

 


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