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CCSS.Math.Content.4.NF.B.4 Apply And Extend...

CCSS.Math.Content.4.NF.B.4 - Apply and extend previous understandings of multiplication to multiply a fraction by a whole number.

 

CCSS.Math.Content.4.NF.B.4.a - Understand a fraction a/b as a multiple of 1/b. For example, use a visual fraction model to represent 5/4 as the product 5 x (1/4), recording the conclusion by the equation 5/4 = 5 x (1/4).

 

CCSS.Math.Content.4.NF.B.4.b - Understand a multiple of a/b as a multiple of 1/b, and use this understanding to multiply a fraction by a whole number. For example, use a visual fraction model to express 3 x (2/5) as 6 x (1/5), recognizing this product as 6/5. (In general, n x (a/b) = (n x a)/b.)

 

CCSS.Math.Content.4.NF.B.4.c - Solve word problems involving multiplication of a fraction by a whole number, e.g., by using visual fraction models and equations to represent the problem. For example, if each person at a party will eat 3/8 of a pound of roast beef, and there will be 5 people at the party, how many pounds of roast beef will be needed? Between what two whole numbers does your answer lie?

 
Authors: National Governors Association Center for Best Practices, Council of Chief State School Officers

Title: CCSS.Math.Content.4.NF.B.4 Apply And Extend Previous Understandings Of Multiplication To Multiply... Number and Operations--Fractions - 4th Grade Mathematics Common Core State Standards

Publisher: National Governors Association Center for Best Practices, Council of Chief State School Officers, Washington D.C.

Copyright Date: 2010

(Page last edited 10/20/2014)

  1. Fraction Game - In this game you will multiply a fraction times a whole number.
  2. Multiply fractions - Online quiz; Multiply. Simplify your answer and write it as a proper fraction or as a whole or mixed number.
  3. Multiplying a Fraction and a Whole Number - Online interactive generator; put in your own problems and solve them. A good IWB activity
  4. Multiplying fractions by a whole number - Multiply the Fractions by the whole numbers and Reduce to Lowest Terms
  5. Multiplying fractions by a whole number - Video lesson and exercises
  6. Multiplying Fractions with Whole Numbers - Worksheet Generator; problems may be selected for three different degrees of difficulty. First rewrite the problem, next multiply the numerators and then the denominators. Then check to see if we need to simplify or reduce the fraction. This fraction worksheet will generate 10 or 15 fraction addition problems per worksheet.
  7. Multiplying Fractions with Whole?and Mixed Numbers? - Online lesson on the process of this concept. Great for introduction to the topic; good for IWB
  8. Word Problems - Online interactive quiz; multiply fractions by whole numbers: word problems
  9. Word Problems - Online interactive quiz; multiply fractions by whole numbers: word problems
  10. Word Problems - Worksheet to print; multiply fractions by whole numbers
  11. Word Problems - Worksheet generator for word problems.Follow Steps 1 to 3 to create worksheets for fraction addition and multiplication word problems. New numbers are generated for every worksheet!

 

 

Internet4classrooms is a collaborative effort by Susan Brooks and Bill Byles.
 

  

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