Ep 183: Integer Subtraction

Can integer subtraction feel intuitive without rote memory? In this episode Pam and Kim delve into a Problem String and explore integer subtraction relationships.
Talking Points:

• Integer chips?
• Students reason about subtracting integers
• Distance versus removal 
• Problem String subtracting integers in context
• When context is less helpful
• Don't go to rules, stay in reasoning

See Episodes 149 and150 for more about distance vs removal  
See Ep 242 for more information on Integer Multiplication

Check out our social media
Twitter: @PWHarris
Instagram: Pam Harris_math
Facebook: Pam Harris, author, mathematics education
Linkedin: Pam Harris Consulting LLC