Just enter your SSA1099 exactly as it appears. Do not try to mess with that worksheet on the back of it. TurboTax will handle all of the necessary calculations as to whether any of your SS is taxable and how much is taxable. It will appear on lines 5a and 5b of your Form 1040.
Go to Federal> Wages & Income>>Retirement Plans and Social Security (SSA1099 and 1099RRB) to enter your SSA1099.
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