Key Words for the Unit - Zero Pair:a pair of integer chips, with one representing +1 and one chip representing -1
- Opposite Integers: two integers with the same numeral, but different sign (ex. +3, -3)
I CAN...
- add integers using integer chips
- add integers using a number line
- subtract integers using integer chips
- use addition to subtract integers
- decide when to add and subtract integers in solving problems
Notes
Section 9.1
Section 9.2
Section 9.3
Section 9.4
Section 9.5
Extra Help
Adding IntegersSubtracting Integers
Mixed Fraction Integers
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Integer Rules...
Adding:
Positive + Positive = Positive
Negative + Negative = Negative
Negative and Positive = Use the sign of the larger number and subtract
Subtracting:
Negative - Positive = Negative
Positive - Negative = Positive + Positive = Positive
Negative - Negative = Negative + Positive = Use the sign of larger and subtract