Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Results of grading test scores after the experiment.
| Classification | Poor | Weak | Medium | Good | Very good |
|---|---|---|---|---|---|
| Levels of mathematical communication | Level 1 | Level 2 | Level 3 | Level 4 | Level 5 |
| [0; 16] | (16; 32] | (32; 48] | (48; 64] | (64; 80] | |
| Experimental group | 0 | 5 | 13 | 18 | 8 |
| 0% | 11.3% | 29.5% | 40.9% | 18.3% | |
| Control group | 3 | 14 | 17 | 7 | 2 |
| 7.0% | 32.6% | 39.5% | 16.3% | 4.6% |
