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15 subcategories · 4 difficulty levels · 20 scenarios each · 1,200 exercises total
The Tax Formula
Apply the complete tax formula from gross income to tax liability.
Filing Status
Identify the correct filing status and calculate the resulting tax.
Gross Income
Identify what's included in gross income and what's excluded.
Above-the-Line Deductions
Calculate adjustments to income and compute AGI.
Standard vs Itemized Deductions
Compare Schedule A total to the standard deduction and use the larger amount.
Schedule A — Itemized Deductions
Apply all Schedule A limits: medical floor, SALT cap, and compute total itemized deductions.
Tax Credits
Calculate credits (Child Tax Credit, education credits) and reduce tax liability.
Schedule B — Interest & Dividends
Classify interest (taxable vs exempt) and dividends (ordinary vs qualified).
Schedule C — Business Income
Report sole proprietor income, deductible expenses, net profit, and SE tax.
Schedule D — Capital Gains & Losses
Classify short-term vs long-term, compute net gains, apply preferential LTCG rates.
Schedule E — Rental Income
Calculate rental income, depreciation (27.5 years), total expenses, and net result.
Schedule SE — Self-Employment Tax
Calculate net earnings × 92.35% × 15.3% and the above-line SE deduction.
Deferred Tax Problems
Calculate deferred tax assets and liabilities from temporary and permanent differences.
Full Tax Return
Multi-schedule complete return: wages + Schedule C + D + E + credits.
Mixed Problems
Combined income and deduction scenarios requiring the full tax formula.