ALEX Classroom Resources

ALEX Classroom Resources  
   View Standards     Standard(s): [MA2019] (4) 16 :
16. Apply and extend previous understandings of multiplication to multiply a whole number times a fraction.

a. Model and explain how a non-unit fraction can be represented by a whole number times the unit fraction.

Example:
9/8=9 x 1/8

b. Extend previous understanding of multiplication to multiply a whole number times any fraction less than one.

Example: 4 x 2/3= 4 x 2/3= 8/3

c. Solve word problems involving multiplying a whole number times a fraction using visual fraction models and equations to represent the problem.

Examples: 3 x 1/2, 6 x 1/8
Subject: Mathematics (4)
Title: Finding a Fraction of a Set StudyJam
URL: https://studyjams.scholastic.com/studyjams/jams/math/fractions/finding-a-fraction.htm
Description:

In this interactive activity, students will be led through steps to find a particular fraction of a set (for example, one-fifth of 20). There are teaching activities as well as practice activities available. A handout that reviews the strategies taught during the activity can be printed. After utilizing this resource, the students can complete the short quiz to assess their understanding.



   View Standards     Standard(s): [MA2019] (4) 16 :
16. Apply and extend previous understandings of multiplication to multiply a whole number times a fraction.

a. Model and explain how a non-unit fraction can be represented by a whole number times the unit fraction.

Example:
9/8=9 x 1/8

b. Extend previous understanding of multiplication to multiply a whole number times any fraction less than one.

Example: 4 x 2/3= 4 x 2/3= 8/3

c. Solve word problems involving multiplying a whole number times a fraction using visual fraction models and equations to represent the problem.

Examples: 3 x 1/2, 6 x 1/8
Subject: Mathematics (4)
Title: Harry's Job at a Candy Store
URL: https://aptv.pbslearningmedia.org/resource/vtl07.math.number.fra.harrycandy/harrys-job-at-a-candy-store/
Description:

In this video segment from Cyberchase, Harry gets a new job as the manager of a candy store. Customers who come into the store use fractions to order boxes of different types of chocolates. Harry teaches his cousin, Harley, how the fractional amounts correspond to the number of pieces to place in the box. Harley takes over during Harry’s lunch break, and when Harry returns he finds a disappointed customer was not given the correct amount of chocolates in his order. 



ALEX Classroom Resources: 2

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