What does this problem equal?

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Presentation transcript:

What does this problem equal? 2 + _____ = _____

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

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 + _____ = _____

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.

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

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

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

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

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

Graphing Independent & Dependent Variables