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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 explain what assumptions we were making when solving a mathematics problem.
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:
37 countries/ areas
Highlight:
1 Denmark49.3%
2 Japan48.1%
3 Greece47.3%
4 Portugal47.2%
5 Austria47.1%
6 Germany 45.8%
7 Mexico43.5%
8 Colombia43.2%
9 Sweden42.5%
10 Latvia42.0%
11 Italy40.7%
12 France40.2%
13 Chile40.1%
14 Hungary39.4%
15 Norway39.1%
16 Switzerland39.0%
17 Australia38.7%
18 United States38.3%
19 Ireland38.1%
20 Canada36.5%
21 Turkiye36.0%
22 Costa Rica35.9%
22 Israel35.9%
24 Lithuania35.6%
25 Spain35.4%
26 United Kingdom35.3%
27 Belgium35.1%
28 New Zealand34.6%
29 Slovakia34.4%
30 Poland34.2%
31 Czech Republic33.8%
32 Slovenia28.9%
33 Estonia28.7%
34 Netherlands28.6%
35 Republic of Korea25.3%
36 Finland23.6%
37 Iceland21.8%

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

No data for 1 countries.

Source
OECD PISA 2022

Correlations with major national performance indices
Life satisfaction (10 steps)
No. of data37
Regression equation
Y = -2.208264 X +7.502
Correlation coefficient (r)-0.259
Coefficient of determination (R2)0.067

GDP per capita (current US$)
No. of data37
Regression equation
Y = -25313.939763 X +51875.845
Correlation coefficient (r)-0.067
Coefficient of determination (R2)0.004

Life expectancy at birth - Both sexes (years)
No. of data37
Regression equation
Y = -4.704453 X +81.542
Correlation coefficient (r)-0.085
Coefficient of determination (R2)0.007

Fertility rate, total (births per woman)
No. of data37
Regression equation
Y = 0.042272 X +1.577
Correlation coefficient (r)0.009
Coefficient of determination (R2)0.000

Suicide, age-standardized (per 100 000 population)
No. of data37
Regression equation
Y = -22.930818 X +18.503
Correlation coefficient (r)-0.371
Coefficient of determination (R2)0.138