Abd-Allaah ibn ‘Amr (Ra) who said: “The Prophet (Sallallahu Alaihi Wasallam) said: ‘There are two qualities, no Muslim man acquires them but he will enter Paradise, and they are simple and easy. He should glorify Allah (say Subhaan Allah) ten times immediately after each prayer, and praise Him (say Al-hamdu Lillaah) ten times and magnify Him (say Allaahu Akbar) ten times.’
I saw the Messenger of Allah (peace and blessings of Allah be upon him) counting this on his fingers. He said: ‘That makes one hundred and fifty on the tongue and one thousand five hundred (hasanaat) in the scales.
[Translator’s note: each of three phrases repeated ten times makes thirty; multiplied by the number of daily prayers, which is five, makes one hundred and fifty. Each of these good deeds of the tongue will be rewarded with ten Hasanaat which will be added to the total of good deeds to be weighed in the balance or scales on the Day of Judgement].
Even more easy good deeds you can do: