The tried and true way to budget and stay on track with your money is by using Income And Expense, ledger style, printables.
Income And Expenses - (Fillable PDF)
This is a two page PDF which includes an Income sheet as well as an Expense sheet that are fillable. This means, you can fill in your amounts, right on your screen, by opening the document in Google Chrome or Adobe. Column totals will automatically calculate so you can easily see your income and expense totals, for each month.