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Business Days worksheet

Grades 4–5

Solve each problem and show your work. Round answers to 2 decimal places where needed.

1.
Problem 1.
- What do you want to do?: Add business days to a date
- Start date: Dec 13, 2024
- Business days to add: 14
- Holidays on weekdays in the period: 0
Find: Resulting date
Answer
2.
Problem 2.
- What do you want to do?: Add business days to a date
- Start date: Nov 17, 2025
- Business days to add: 12
- Holidays on weekdays in the period: 0
Find: Resulting date
Answer
3.
Problem 3.
- What do you want to do?: Count business days between dates
- Start date: Apr 14, 2025
- End date: Feb 5, 2026
- Count the start date if it is a weekday: Yes
- Count the end date if it is a weekday: No
- Holidays on weekdays in the period: 2
Find: Business days
Answer
4.
Problem 4.
- What do you want to do?: Add business days to a date
- Start date: Jul 28, 2025
- Business days to add: 7
- Holidays on weekdays in the period: 0
Find: Resulting date
Answer
5.
Problem 5.
- What do you want to do?: Count business days between dates
- Start date: May 24, 2025
- End date: Jun 21, 2026
- Count the start date if it is a weekday: Yes
- Count the end date if it is a weekday: No
- Holidays on weekdays in the period: 0
Find: Business days
Answer
6.
Problem 6.
- What do you want to do?: Add business days to a date
- Start date: May 14, 2025
- Business days to add: 12
- Holidays on weekdays in the period: 3
Find: Resulting date
Answer
7.
Problem 7.
- What do you want to do?: Count business days between dates
- Start date: Aug 27, 2025
- End date: Dec 7, 2025
- Count the start date if it is a weekday: Yes
- Count the end date if it is a weekday: No
- Holidays on weekdays in the period: 1
Find: Business days
Answer
8.
Problem 8.
- What do you want to do?: Add business days to a date
- Start date: Mar 17, 2026
- Business days to add: 6
- Holidays on weekdays in the period: 0
Find: Resulting date
Answer
9.
Problem 9.
- What do you want to do?: Count business days between dates
- Start date: Feb 11, 2027
- End date: Aug 8, 2026
- Count the start date if it is a weekday: Yes
- Count the end date if it is a weekday: No
- Holidays on weekdays in the period: 0
Find: Business days
Answer
10.
Problem 10.
- What do you want to do?: Count business days between dates
- Start date: Jun 6, 2026
- End date: Feb 11, 2027
- Count the start date if it is a weekday: Yes
- Count the end date if it is a weekday: No
- Holidays on weekdays in the period: 0
Find: Business days
Answer

Answer key: Business Days worksheet

1. Resulting date: Thursday, Jan 2, 2025
1. Count forward from the start date (which is not counted), skipping Saturdays and Sundays
  $Dec 13, 2024 + 14 business days → Jan 2, 2025$
2. Count how many calendar days that covers, weekends included
  $Jan 2, 2025 − Dec 13, 2024$ $= 20 days$
3. Read off the resulting date and its weekday
  $Thursday, Jan 2, 2025$
2. Resulting date: Wednesday, Dec 3, 2025
1. Count forward from the start date (which is not counted), skipping Saturdays and Sundays
  $Nov 17, 2025 + 12 business days → Dec 3, 2025$
2. Count how many calendar days that covers, weekends included
  $Dec 3, 2025 − Nov 17, 2025$ $= 16 days$
3. Read off the resulting date and its weekday
  $Wednesday, Dec 3, 2025$
3. Business days: 211
1. Count the calendar days in the period, including the start date but not the end date
  $297 days$
2. Take out Saturdays and Sundays, since they aren't business days
  $297 - 84 weekend days$ $= 213 weekdays$
3. Take out the weekday holidays you entered, since the office is closed
  $213 - 2$ $= 211 business days$
4. Resulting date: Wednesday, Aug 6, 2025
1. Count forward from the start date (which is not counted), skipping Saturdays and Sundays
  $Jul 28, 2025 + 7 business days → Aug 6, 2025$
2. Count how many calendar days that covers, weekends included
  $Aug 6, 2025 − Jul 28, 2025$ $= 9 days$
3. Read off the resulting date and its weekday
  $Wednesday, Aug 6, 2025$
5. Business days: 280
1. Count the calendar days in the period, including the start date but not the end date
  $393 days$
2. Take out Saturdays and Sundays, since they aren't business days
  $393 - 113 weekend days$ $= 280 weekdays$
3. No holidays entered, so every weekday is a business day
  $280 - 0$ $= 280 business days$
6. Resulting date: Wednesday, Jun 4, 2025
1. Each weekday holiday is a day off, so it adds one more business day to cover
  $12 + 3$ $= 15 business days$
2. Count forward from the start date (which is not counted), skipping Saturdays and Sundays
  $May 14, 2025 + 15 business days → Jun 4, 2025$
3. Count how many calendar days that covers, weekends included
  $Jun 4, 2025 − May 14, 2025$ $= 21 days$
4. Read off the resulting date and its weekday
  $Wednesday, Jun 4, 2025$
7. Business days: 72
1. Count the calendar days in the period, including the start date but not the end date
  $102 days$
2. Take out Saturdays and Sundays, since they aren't business days
  $102 - 29 weekend days$ $= 73 weekdays$
3. Take out the weekday holidays you entered, since the office is closed
  $73 - 1$ $= 72 business days$
8. Resulting date: Wednesday, Mar 25, 2026
1. Count forward from the start date (which is not counted), skipping Saturdays and Sundays
  $Mar 17, 2026 + 6 business days → Mar 25, 2026$
2. Count how many calendar days that covers, weekends included
  $Mar 25, 2026 − Mar 17, 2026$ $= 8 days$
3. Read off the resulting date and its weekday
  $Wednesday, Mar 25, 2026$
9. Business days: 133
1. The end date is before the start date, so the dates are swapped
2. Count the calendar days in the period, including the start date but not the end date
  $187 days$
3. Take out Saturdays and Sundays, since they aren't business days
  $187 - 54 weekend days$ $= 133 weekdays$
4. No holidays entered, so every weekday is a business day
  $133 - 0$ $= 133 business days$
10. Business days: 178
1. Count the calendar days in the period, including the start date but not the end date
  $250 days$
2. Take out Saturdays and Sundays, since they aren't business days
  $250 - 72 weekend days$ $= 178 weekdays$
3. No holidays entered, so every weekday is a business day
  $178 - 0$ $= 178 business days$