goal: In order to assess my understanding of Decimal Fraction , i would like to use math app to practice the decimal fraction questions 
instruction: click on decimal fractions at lower right side  of the screen 
action: action_type: click
x: 749
y: 1849
goal: In order to assess my understanding of Decimal Fraction , i would like to use math app to practice the decimal fraction questions 
instruction: click on start test button at lower center of the screen 
action: action_type: click
x: 484
y: 2042