items of questionnaire

AV ± SD

Min

Max

1

Learning time after mathematics class

28.87 ± 14.2

12.5

100

2

Holidays learning time (mathematics)

31.88 ± 17.8

12.5

100

3

Learning for regular examination of mathematics

91.61 ± 13.8

20.0

100

4

About learning mathematics (likes and dislikes)

57.53 ± 26.5

20.0

100

5

Impression of mathematics

72.41 ± 21.5

16.7

100

6

Approach to mathematics class

57.52 ± 22.6

16.7

100

7

Learning before regular examination of mathematics

76.72 ± 26.1

16.7

100

8

Review after regular examination of mathematics

63.07 ± 17.7

20.0

100

9

Approaches to mathematical applied problems and unsolvable problems

67.71 ± 19.7

20.0

100