program2.rb

if (5+5==10)
	puts "this is true"
else
	puts "this is false"
end

program3.rb

def choose
	puts "Do you like programming? Yes, no or maybe please"
	choice = gets.chomp
	case choice.downcase
	when "yes"
		puts "That\'s great!"
	when "no"
		puts "Too bad..."
	when "maybe"
		puts "Glad you are giving it a chance!"
	else 
		puts "I have no idea what that means"
	end
end
choose

program4.rb

(0..10).each do |n|
	p "the new number is #{n}"
end

Awesome! But I will go crazy if you don't figure out how to indent by only two spaces per level. :-)

I think your Sublime Text might be set up for indenting by tabs instead of spaces. I can help. ;-) FYI, this is a coding convention with Ruby developers, I'm not making it up!

I ran the rubocop -a command on your code to auto-fix it: https://gist.github.com/dogweather/79085b0049a48da7927a