-Same Sign-
1.
Positive: example- (+9)+(+4)= (+13) +++++++++ ++++Strategy- You just simply add the two numbers (9+4) together and put a plus sign to represent a positive answer.
2.
Negative: example- (-8)+(-6)= (-12) -------- ------Strategy- You just simply add the two numbers (8+6) together and put a negative sign to represent a negative answer.
*DEPENDING IF IT IS A NEGATIVE OR POSITIVE QUESTION WITH THE SAME SIGN YOUR ANSWER WILL HAVE THE SAME SIGN AS THE QUESTION EITHER A NEGATIVE - OR A POSITIVE + *
-Different Sign-
1. Positive Answer
Different Signs: example- (+10)+(-3)=(+7) +++++ ---
Strategy- You can use chips to visually see how this works.
++++++++++
---
*SEE HOW MANY ZERO PAIRS YOU CAN MAKE, IN THIS CASE 3 (REMEMBER 1 POSITIVE AND 1 NEGATIVE MAKES A ZERO PAIR) WHEN YOU CANCLE OUT THE 3 ZERO PAIRS YOU ARE LEFT WITH 7 POSITIVE SIGNS OR CHIPS YOUR ANSWER IS POSITIVE 7 (+7)* YOUR BASICALLY TAKING AWAY -3 FROM +10 -> (+10)-(-3)= (+7)
2. Negative Answer
Different Signs: example- (-7)+(+5)=(-2) +++++++ -----
Strategy- You can use chip to visually see how this works.
-------
+++++
*SEE HOW MANY ZERO PAIRS YOU CAN MAKE, IN THIS CASE 5 (REMEMBER 1 POSITIVE AND 1 NEGATIVE MAKES A ZERO PAIR) WHEN YOU CANCLE OUT THE 5 ZERO PAIRS YOU ARE LEFT WITH 2 NEGATIVE SIGNS OR CHIPS YOUR ANSWER IS NEGATIVE 2 (-7)* YOUR BASICALLY TAKING AWAY +5 FROM -7 -> (-7)-(+5)= (-2)