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Question: This school year, how often did your teacher do the following things in your mathematics lessons? - The teacher asked us to solve mathematics problems without computing anything.
Choices: "Never or almost never" "Less than half of the lessons" "About half of the lessons" "More than half of the lessons" "Every lesson or almost every lesson"
Data: % of "More than half of the lessons" "Every lesson or almost every lesson"
Period:
Area:
10 countries/ areas
Highlight:
2 United States21.3%
3 Canada16.6%
4 United Kingdom14.6%
5 France14.4%
6 Germany 14.2%
7 Japan10.6%
9 Italy9.1%

Note
The data of Azerbaijan are collected only in Baku. The data of Ukraine are collected from 18 out of 27 regions.

Source
OECD PISA 2022

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data7
Regression equation
Y = 5.305386 X +5.820
Correlation coefficient (r)0.726
Coefficient of determination (R2)0.527

GDP per capita (current US$)
No. of data7
Regression equation
Y = 366873.763939 X -2095.679
Correlation coefficient (r)0.945
Coefficient of determination (R2)0.893

Life expectancy at birth - Both sexes (years)
No. of data7
Regression equation
Y = -47.727751 X +88.387
Correlation coefficient (r)-0.903
Coefficient of determination (R2)0.815

Fertility rate, total (births per woman)
No. of data7
Regression equation
Y = 3.272670 X +1.003
Correlation coefficient (r)0.615
Coefficient of determination (R2)0.378

Suicide, age-standardized (per 100 000 population)
No. of data7
Regression equation
Y = 55.888912 X +1.412
Correlation coefficient (r)0.659
Coefficient of determination (R2)0.434