This textbook is available atAmazon.com Logo
Mathematical Practices, Mathematics for Teachers: Activities, Models, and Real-Life Examples 1st Edition

Mathematical Practices, Mathematics for Teachers: Activities, Models, and Real-Life Examples (1st Edition)

Book Edition1st Edition
Author(s)Larson
ISBN9781285447100
PublisherCengage
SubjectMath
End of Chapter
Review Exercises
Chapter 4, Start of Chapter, Activity, Exercise 1
Page 124

Addition 

 

Find the sum using mental math. Explain your reasoning.

 

 

 

 

Explanation

Answer

The answer is 80 to this question, the solution and reasoning is in the explaination box below.

Did you like this example?
Subscribe for full access
Page 124