1. What does this problem equal?
2 + _____ = _____

2. Test it out!
2 + _____ = _____
2 + _____ = _____
2 + _____ = _____

3. In EVERY case, we changed one number & it affected the overall answer.
Test it out!
2 + _____ = _____
In EVERY case, we changed one number & it affected the overall answer.
2 + _____ = _____
2 + _____ = _____

4. Test it out! 2 + _____ = _____ 2 + _____ = _____ 2 + _____ = _____
In EVERY case, we changed one number & it affected the overall answer.
2 + _____ = _____
Meaning?
2 + _____ = _____
The answer depended upon the number we changed.

5. VARIABLES !!!
2 4
2 + _____ = _____
What are the variables?

6. In scientific experiments, there are independent variables, dependent variables, and constants (which are called controlled variables).

7. 2 4 SCIENTIFIC VARIABLES !!! 2 + _____ = _____
2 4
2 + _____ = _____
controlled
Which one is the independent variable (IV) and which one is the dependent variable (DV)?

9. In scientific experiments, there are independent variables, dependent variables, and constants (which are called controlled variables).

10. changed by the person
In scientific experiments, there are independent variables, dependent variables, and constants (which are called controlled variables).
what’s measured
stays the same

11. Graphing Independent & Dependent Variables