# Education and Didactics

## 1701 Submissions

[2] **viXra:1701.0693 [pdf]**
*submitted on 2017-01-31 17:25:13*

### Math Stagnations in the Mega Cities and School Districts of the Usa According to Tuda of Naep

**Authors:** Dongchan Lee

**Comments:** 34 Pages.

This is the part 3 of the math edu stagnations in the developed countries. Similar to the math score stagnations from the PISA and TIMSS 2015 and the overall time series score growth patterns of them 1995 or 2000 till 2015, the NAEP's math scores of the grades 4 and 8th of the USA seem to follow the similar patterns although there are time lags 1-3 years after the PISA or TIMSS math scores.

**Category:** Education and Didactics

[1] **viXra:1701.0692 [pdf]**
*submitted on 2017-01-31 17:37:51*

### Math Stagnations in Most of the Usa States According to the Naep Math 2000-2015

**Authors:** Dongchan Lee

**Comments:** 29 Pages.

This is the part 2 of the math edu stagnations in the developed countries. Similar to the math score stagnations from the PISA and TIMSS 2015 and the overall time series score growth patterns of them 1995 or 2000 till 2015, the NAEP's math scores of the grades 4 and 8th of most of the USA states seem to follow the similar patterns although there are time lags 1-3 years after the PISA or TIMSS math scores.

**Category:** Education and Didactics