Name Date
Income Tax worksheet
Grades 7–8 · CCSS 7.RP.A.3
Calcapedia Solve each problem and show your work. Round answers to 2 decimal places where needed.
- 1.
Problem 1. - Filing status (2026): Married filing separately
- Gross income for the year: $105,000
- Deduction: Standard deduction
Find: 2026 federal income tax
Answer
- 2.
Problem 2. - Filing status (2026): Married filing separately
- Gross income for the year: $85,000
- Deduction: Itemize
- Total itemized deductions: $23,000
Find: 2026 federal income tax
Answer
- 3.
Problem 3. - Filing status (2026): Married filing jointly
- Gross income for the year: $74,000
- Deduction: Standard deduction
Find: 2026 federal income tax
Answer
- 4.
Problem 4. - Filing status (2026): Single
- Gross income for the year: $80,000
- Deduction: Standard deduction
Find: 2026 federal income tax
Answer
- 5.
Problem 5. - Filing status (2026): Married filing separately
- Gross income for the year: $80,000
- Deduction: Itemize
- Total itemized deductions: $35,000
Find: 2026 federal income tax
Answer
- 6.
Problem 6. - Filing status (2026): Single
- Gross income for the year: $60,000
- Deduction: Standard deduction
Find: 2026 federal income tax
Answer
- 7.
Problem 7. - Filing status (2026): Married filing separately
- Gross income for the year: $60,000
- Deduction: Standard deduction
Find: 2026 federal income tax
Answer
- 8.
Problem 8. - Filing status (2026): Single
- Gross income for the year: $75,000
- Deduction: Itemize
- Total itemized deductions: $45,000
Find: 2026 federal income tax
Answer
- 9.
Problem 9. - Filing status (2026): Head of household
- Gross income for the year: $62,500
- Deduction: Itemize
- Total itemized deductions: $40,000
Find: 2026 federal income tax
Answer
- 10.
Problem 10. - Filing status (2026): Single
- Gross income for the year: $92,500
- Deduction: Itemize
- Total itemized deductions: $24,000
Find: 2026 federal income tax
Answer
Answer key: Income Tax worksheet
Calcapedia 1. 2026 federal income tax: $14,270.00
Use the 2026 standard deduction for married filing separately filers. This part of your income isn't taxed
Subtract your deductions to find taxable income, the part that's actually taxed (it can't go below zero)
Tax the slice of your taxable income from $0 to $12,400 at 10%
Tax the slice of your taxable income from $12,400 to $50,400 at 12%
Tax the slice of your taxable income from $50,400 to $105,700 at 22%
Add up the tax from each slice
This is your estimated 2026 federal income tax
Find your effective rate: the share of your whole income that goes to federal tax
2. 2026 federal income tax: $8,352.00
Use your itemized deductions instead of the standard deduction
Subtract your deductions to find taxable income, the part that's actually taxed (it can't go below zero)
Tax the slice of your taxable income from $0 to $12,400 at 10%
Tax the slice of your taxable income from $12,400 to $50,400 at 12%
Tax the slice of your taxable income from $50,400 to $105,700 at 22%
Add up the tax from each slice
This is your estimated 2026 federal income tax
Find your effective rate: the share of your whole income that goes to federal tax
3. 2026 federal income tax: $4,520.00
Use the 2026 standard deduction for married filing jointly filers. This part of your income isn't taxed
Subtract your deductions to find taxable income, the part that's actually taxed (it can't go below zero)
Tax the slice of your taxable income from $0 to $24,800 at 10%
Tax the slice of your taxable income from $24,800 to $100,800 at 12%
Add up the tax from each slice
This is your estimated 2026 federal income tax
Find your effective rate: the share of your whole income that goes to federal tax
4. 2026 federal income tax: $8,770.00
Use the 2026 standard deduction for single filers. This part of your income isn't taxed
Subtract your deductions to find taxable income, the part that's actually taxed (it can't go below zero)
Tax the slice of your taxable income from $0 to $12,400 at 10%
Tax the slice of your taxable income from $12,400 to $50,400 at 12%
Tax the slice of your taxable income from $50,400 to $105,700 at 22%
Add up the tax from each slice
This is your estimated 2026 federal income tax
Find your effective rate: the share of your whole income that goes to federal tax
5. 2026 federal income tax: $5,152.00
Use your itemized deductions instead of the standard deduction
Subtract your deductions to find taxable income, the part that's actually taxed (it can't go below zero)
Tax the slice of your taxable income from $0 to $12,400 at 10%
Tax the slice of your taxable income from $12,400 to $50,400 at 12%
Add up the tax from each slice
This is your estimated 2026 federal income tax
Find your effective rate: the share of your whole income that goes to federal tax
6. 2026 federal income tax: $5,020.00
Use the 2026 standard deduction for single filers. This part of your income isn't taxed
Subtract your deductions to find taxable income, the part that's actually taxed (it can't go below zero)
Tax the slice of your taxable income from $0 to $12,400 at 10%
Tax the slice of your taxable income from $12,400 to $50,400 at 12%
Add up the tax from each slice
This is your estimated 2026 federal income tax
Find your effective rate: the share of your whole income that goes to federal tax
7. 2026 federal income tax: $5,020.00
Use the 2026 standard deduction for married filing separately filers. This part of your income isn't taxed
Subtract your deductions to find taxable income, the part that's actually taxed (it can't go below zero)
Tax the slice of your taxable income from $0 to $12,400 at 10%
Tax the slice of your taxable income from $12,400 to $50,400 at 12%
Add up the tax from each slice
This is your estimated 2026 federal income tax
Find your effective rate: the share of your whole income that goes to federal tax
8. 2026 federal income tax: $3,352.00
Use your itemized deductions instead of the standard deduction
Subtract your deductions to find taxable income, the part that's actually taxed (it can't go below zero)
Tax the slice of your taxable income from $0 to $12,400 at 10%
Tax the slice of your taxable income from $12,400 to $50,400 at 12%
Add up the tax from each slice
This is your estimated 2026 federal income tax
Find your effective rate: the share of your whole income that goes to federal tax
9. 2026 federal income tax: $2,346.00
Use your itemized deductions instead of the standard deduction
Subtract your deductions to find taxable income, the part that's actually taxed (it can't go below zero)
Tax the slice of your taxable income from $0 to $17,700 at 10%
Tax the slice of your taxable income from $17,700 to $67,450 at 12%
Add up the tax from each slice
This is your estimated 2026 federal income tax
Find your effective rate: the share of your whole income that goes to federal tax
10. 2026 federal income tax: $9,782.00
Use your itemized deductions instead of the standard deduction
Subtract your deductions to find taxable income, the part that's actually taxed (it can't go below zero)
Tax the slice of your taxable income from $0 to $12,400 at 10%
Tax the slice of your taxable income from $12,400 to $50,400 at 12%
Tax the slice of your taxable income from $50,400 to $105,700 at 22%
Add up the tax from each slice
This is your estimated 2026 federal income tax
Find your effective rate: the share of your whole income that goes to federal tax