Here is a link to the playlist of video explanations to all of the math questions in the 2021 April ACT (Form Z05) Test. The access to this playlist is for subscribers only.

 
Here is a link to the playlist of video explanations to all of the math questions in the 2021 April ACT (Form D05) Test.

 
Here is a link to the playlist of video explanations to all of the math questions in the 2020 December ACT (Form D03) Test.

 
Here is a link to the playlist of video explanations to all of the math questions in the 2020 July ACT (Form C01) Test.

 
Here is a link to the playlist of video explanations to all of the math questions in the 2020 June ACT (Form C02) Test.