5th grade Instructional Guide
Numbers and Operations - Fractions
Core Guide
Grade 5
Suggested Models
Suggested Strategies
Draw models to compare, and reason, about the size of products in relationships to the size of various factors. Use area models to demonstrate the concept of scaling Construct viable arguments and critique the reasoning of others about the size of a product compared to the size of one factor on the basis of the size of the other factor. Use models and/or words to explain why multiplying a given number by a fraction greater than one results in a product greater than the given number Use models and/or words to explain why multiplying a given number by a fraction less than one results in a product smaller than the given number Work with multiplying by unit fractions
3 4 7 is less than 7 because 7 is multiplied by a factor less
Example:
than 1 so the product must be less than 7.
7
3/4 of 7
Image Source: http://www.dpi.state.nc.us/docs/curriculum/mathematics/scos/5.pdf
5.NF.5
Made with FlippingBook - professional solution for displaying marketing and sales documents online