Math ­ N&N ­ 2 ­ Addition of Integers.notebook
March 09, 2015
Tool: Addition of Integers
Learning goal: we are learning to use a variety of strategies to
add integers.
"Can you do addition?" the White Queen asked. "What's one and one and one and one and one and one and one and one and one and one?"
"I don't know," said Alice, "I lost count."
Lewis Carroll [Charles Lutwidge Dodgson] (1832­1898)
Activation
Find your opposite activity
Mar 6­7:21 AM
Minds On
How do I add integers?
Zero Principle Method
Mar 6­7:21 AM
1
Math ­ N&N ­ 2 ­ Addition of Integers.notebook
March 09, 2015
Practice using Zero Principle
Add (­12) + (+2) + (­5) + (+6)
Mar 8­2:31 PM
Regrouping an addition sentence
(+7) + (‐3) + (‐13) + (+10)
Mar 8­2:33 PM
2
Math ­ N&N ­ 2 ­ Addition of Integers.notebook
March 09, 2015
Practice regrouping method
(‐12) + (+6) + (+8) + (‐9) + (‐4) + (+3)
Mar 8­2:37 PM
Exit Ticket
Show ­12 as the sum of other integers using a variety of methods.
What is the largest value you can use for other integers?
What is the smallest value?
What other methods did you use?
Mar 8­2:29 PM
3