Contact R.W.
You may use the form below to contact me:
Scroll down for links to email me or find me on LinkedIn.
How to Use TGGS?
How to Use The Great Grading Scale (TGGS) Step 1. Give a hard test and grade it on the percent scale. Examine the data and get sick & tired and disgusted with the % scores.
Step 2. Use a grading curve spreadsheet to transform test data from hard and challenging tests. From above to below: Use TGGS:
$$t = x^{(.65)}$$
Step 3. Does this do the job?? If not, try:
[Read More]
About Me
R.W. Alexander, Ph.D. With 35 years in public education and 14 years in private education, I retired as a part-time math educator in June 2014.
As a former teacher I understand the difficulties in challenging students, while conforming to schools’ expectations. The frustrations of doing so led to the development of The Great Grading Scale (TGGS). Early in my career I taught Algebra 2 and received complaints following a difficult test.
[Read More]
Why TGGS?
Why use The Great Grading Scale? Why The Great Grading Scale (TGGS)? In the classroom, teachers want to teach more and they expect students to learn more. In order for this to occur, challenging tests must be given. Constructing a well-balanced test can be a difficult task and extremely time-consuming. I believe that it may be in the favor of the students to take the tests that accompany the adopted textbooks or tests which are departmentally developed and maintained.
[Read More]
What is TGGS?
What is The Great Grading Scale (TGGS)? TGGS is a near-perfect grading scale, that allows you to easily and fairly balance grades for your students, while continuing to challenge them with difficult tests. The image below explains this well:
Red: Arc of circle through (0,0) and (1,1); center: (1,0)
Blue: Average of red and green, the perfect curve
Orange: TGGS, which approaches the perfect curve
Green: Don’t skip math class, kids
[Read More]