Super Subjects - Mighty Math - Patterns and Algebra - Algebra

Tables and Variables

It was _____ degrees(d) outside. Then the temperature rose by 7 degrees. Later it dropped 4 degrees. What is the temperature at the end?

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Starting Degrees	Number Sentence (d+7)-4=____	Final Degrees	Difference in Starting and Final Degrees
42	42+7=49-5+49	45	3
73		76
81	81+7=88-4=84		3
27			3
58	58+7=65-4=61
12		15
33		36
			3

Could you have figured this out in another way? ______________________________________________________ ______________________________________________________

(Clue: Look at the last column.)