A "C"-AVERAGE BOTTOMS OUT!
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1. "C" average in lst Grade:
2. "C" average in 2nd Grade, Learns (70%)X(70%) = (70%)2 of material.
3. "C" average in 3rd Grade, Learns (70%)X(70%)X(70%) = (70%)3 of material.
4. "C" average in 4th Grade, LEARNS (70%)X(70%)X(70%)X(70%) = (70%)4 of material.
5. "C" average in 5th Grade, LEARNS (70%)X(70%)X(70%)X(70%)X(70%) = (70%)5 of material.
6. "C" average in 6th Grade, LEARNS (70%)X(70%)X(70%)X(70%)X(70%)X(70%) = (70%)6 of material.
7. "C" average in 7th Grade, LEARNS (70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%) = (70%)7 of material.
8. "C" average in 8th Grade, LEARNS (70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%) = (70%)8 of material.
9. "C" average in 8th Grade, LEARNS (70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%) = (70%)9 of material.
10. "C" average in 10th Grade, LEARNS (70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%) = (70%)10 of material.
11. "C" average in 11th Grade, LEARNS (70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%) = (70%) of material.
12. "C" average in 12th Grade, LEARNS (70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%)X(70%) = (70%)12 of material.

A STEADY "C" average in pre-college grades is "next to zero"! ONLY TOTAL LEARNING OF MATERIAL HELPS TO SURVIVE IN TODAY'S WORLD!

The above deals with STUDENT RESPONSIBILITY. What about TEACHER RESONSIBILITY? I claim that most of the material, Preschool through High School, of this Website is NOT TAUGHT IN OUR SCHOOLS, but should be. So, rethink the above. Suppose the child is only taught 70% on what she/he should be taught in the First Grade. And the "whole xlxxx" is needed to understood what should be taught in the Second Grade. But only 70% of that is taught, so that the child is receiving (at this point) only 49% of what he/she should be taught. Etc. Is it possible that the student ends up, at high school graduation, exposed to less than 1% of what the student should be taught, to deal with modern society? Think about it!

Meanwhile, our colleges and universities are suffering a "Mathematical Black Plague"!