1. Math CC7/8 – Be Prepared On Desk: Learning Log:
Pencil
Math Journal
AN Learning Log
Learning Log:
HW: p. 45, #18-37, #61-62, #65-66
Parent Sig. on Test (by Wed)
Parent Sig. on LL (by Wed)
Retakes- Thurs., rm. 203, 2:40-3:40 PM (Mrs. Miner)

2. Warm Up
Copy and solve the following problems in your journal: = = = =

3. Tasks for Today Warm Up – Adding Integers Numbers AN - Lesson 2.2
Begin HW?

4. PBS Math Club Video

5. Adding Integers
Remember the rules? Positive + Positive = Negative + Negative = Positive + Negative = Negative + Positive =
Positive
Negative
Find the difference between the two numbers.
Take the sign of the number with the greater absolute value.

8. $40
He should use a negative sign, - $40.

9. “Don’t subtract… add the opposite” Same signs Different signs
Change a subtraction expression to an addition by adding the opposite of the second number.
“Don’t subtract…
add the opposite”

10. Any subtraction expression can be rewritten as addition by adding the opposite of the number being subtracted.

12. Skip?
-10 – 5
-10 – 5
= = 15
= = 15

13. No! Subtraction is NOT commutative.