Math Test

Today we have a test on Topic 18 – Formulas and Equations.  It basically comes down to this; If given y = x + 3, what is y if x=4?  Or, if I want to be more difficult, if y=3x, what is y if x is 4?  And then we go backwords:

x 1 2 3 4                       So what is the rule?

y 0 1 2 3                        Answer?  y=x-1

Then for a couple, I gave them the rule, and they had to figure out what x and y were, and they graph the ordered pairs.  They love doing that.

We’ll see how they do on the test.

Next topic?  14 – Integers.

Anyone know what an integer is?

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