Sample Grade Calculations

I have had a problem with some computers not displaying the math formula. If you don't see these fractions then read the text version at the bottom of this page.

The formula is:

If you have earned 220 out of 300 points in lecture and 460 points out of 500 points in lab then your average would be:

This is your overall average. At the end of the semester this will be what your grade is based upon. An overall average of 90 and above is an "A", a "B" is 80 - 89.9, a "C" is 70 - 79.9, et cetera.

PLEASE notice that the lecture counts more than the lab.  In this example a low A average in lab (92%) is not enough to pull a low C average (73%) up to a B.

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Text Version

First calculate your lecture average.

Look on Blackboard to see how many points you have earned and how many total points have been possible.

Enter in a calculator the number of points you have earned and then divide by the number of possible points. You will get a decimal number. This is your current lecture average.

For example, if you have earned 220 points out of 300 possible points then enter 220 divided by 300 equals 0.733. You have earned 73% of the possible points.

Then calculate your lab average.

Now go to the lab page on Blackboard to see how many points you have earned and how many total points have been possible.

Enter in a calculator the number of points you have earned and then divide by the number of possible points. You will get a decimal number. This is your current lab average.

For example, if you have earned 460 points out of 500 possible points then enter 460 divided by 500 equals 0.92. You have earned 92% of the possible points.

What is your overall average?

Your lecture average counts as 75% of your total grade and the lab counts 25%.

Take your lecture average (0.733 in the example above) and multiply it by 75 (0.733 x 75 = 55, in my example).

Next take your lab average and multiply it by 25 (0.92 x 25 = 23, in my example).

Finally add these two numbers together ( 55 + 23 = 78). This is your overall average. At the end of the semester this will be what your grade is based upon. An overall average of 90 and above is an "A", a "B" is 80 - 89.9, a "C" is 70 - 79.9, et cetera.

PLEASE notice that the lecture counts more than the lab.  In this example a low A average in lab (92%) is not enough to pull a low C average (73%) up to a B.

Use your browser's back button to return to the previous page.