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Countdown worksheet

Grades 3–4

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

  1. Problem 1.
    • Target date: Jul 11, 2026
    • Counting from: Dec 13, 2024
    • Count to a time of day (hours and minutes left): No
    • Also count business days (Monday to Friday): No

    Find: Days until Jul 11, 2026

  2. Problem 2.
    • Target date: Apr 22, 2026
    • Counting from: Feb 4, 2027
    • Count to a time of day (hours and minutes left): No
    • Also count business days (Monday to Friday): No

    Find: Days since Apr 22, 2026

  3. Problem 3.
    • Target date: Apr 10, 2027
    • Counting from: Jul 24, 2025
    • Count to a time of day (hours and minutes left): No
    • Also count business days (Monday to Friday): No

    Find: Days until Apr 10, 2027

  4. Problem 4.
    • Target date: Jun 29, 2026
    • Counting from: Jul 11, 2026
    • Count to a time of day (hours and minutes left): No
    • Also count business days (Monday to Friday): No

    Find: Days since Jun 29, 2026

  5. Problem 5.
    • Target date: Jan 31, 2026
    • Counting from: Feb 15, 2027
    • Count to a time of day (hours and minutes left): No
    • Also count business days (Monday to Friday): No

    Find: Days since Jan 31, 2026

  6. Problem 6.
    • Target date: Feb 23, 2026
    • Counting from: Jan 6, 2026
    • Count to a time of day (hours and minutes left): No
    • Also count business days (Monday to Friday): No

    Find: Days until Feb 23, 2026

  7. Problem 7.
    • Target date: Jun 15, 2025
    • Counting from: Oct 30, 2025
    • Count to a time of day (hours and minutes left): No
    • Also count business days (Monday to Friday): No

    Find: Days since Jun 15, 2025

  8. Problem 8.
    • Target date: Sep 10, 2025
    • Counting from: Apr 14, 2025
    • Count to a time of day (hours and minutes left): No
    • Also count business days (Monday to Friday): No

    Find: Days until Sep 10, 2025

  9. Problem 9.
    • Target date: Mar 22, 2026
    • Counting from: Feb 3, 2025
    • Count to a time of day (hours and minutes left): No
    • Also count business days (Monday to Friday): No

    Find: Days until Mar 22, 2026

  10. Problem 10.
    • Target date: Jan 6, 2026
    • Counting from: Aug 17, 2026
    • Count to a time of day (hours and minutes left): No
    • Also count business days (Monday to Friday): No

    Find: Days since Jan 6, 2026

Answer key: Countdown worksheet

  1. 1. Days until Jul 11, 2026: 575 days

    1. Count the calendar days from the start date to the target date

      Jul 11, 2026 − Dec 13, 2024=575 days
    2. Split into whole weeks (7 days each) and leftover days

      575 days=82×7+1=82 weeks, 1 day
    3. Divide the days by 7 to get the total weeks as a decimal

      5757=82.14 weeks
    4. Multiply the days by 24 to get the hours, since each day runs midnight to midnight

      575×24=13,800 h
    5. Say it the way people talk about dates: count whole months first (12 to a year), then the days left over

      Dec 13, 2024 → Jul 11, 2026: 1 year, 6 months, 28 days
  2. 2. Days since Apr 22, 2026: 288 days

    1. The target is in the past, so count the days from the target date to the start date

      Feb 4, 2027 − Apr 22, 2026=288 days
    2. Split into whole weeks (7 days each) and leftover days

      288 days=41×7+1=41 weeks, 1 day
    3. Divide the days by 7 to get the total weeks as a decimal

      2887=41.14 weeks
    4. Multiply the days by 24 to get the hours, since each day runs midnight to midnight

      288×24=6,912 h
    5. Say it the way people talk about dates: count whole months first (12 to a year), then the days left over

      Apr 22, 2026 → Feb 4, 2027: 0 years, 9 months, 13 days
  3. 3. Days until Apr 10, 2027: 625 days

    1. Count the calendar days from the start date to the target date

      Apr 10, 2027 − Jul 24, 2025=625 days
    2. Split into whole weeks (7 days each) and leftover days

      625 days=89×7+2=89 weeks, 2 days
    3. Divide the days by 7 to get the total weeks as a decimal

      6257=89.29 weeks
    4. Multiply the days by 24 to get the hours, since each day runs midnight to midnight

      625×24=15,000 h
    5. Say it the way people talk about dates: count whole months first (12 to a year), then the days left over

      Jul 24, 2025 → Apr 10, 2027: 1 year, 8 months, 17 days
  4. 4. Days since Jun 29, 2026: 12 days

    1. The target is in the past, so count the days from the target date to the start date

      Jul 11, 2026 − Jun 29, 2026=12 days
    2. Split into whole weeks (7 days each) and leftover days

      12 days=1×7+5=1 week, 5 days
    3. Divide the days by 7 to get the total weeks as a decimal

      127=1.71 weeks
    4. Multiply the days by 24 to get the hours, since each day runs midnight to midnight

      12×24=288 h
    5. Say it the way people talk about dates: count whole months first (12 to a year), then the days left over

      Jun 29, 2026 → Jul 11, 2026: 0 years, 0 months, 12 days
  5. 5. Days since Jan 31, 2026: 380 days

    1. The target is in the past, so count the days from the target date to the start date

      Feb 15, 2027 − Jan 31, 2026=380 days
    2. Split into whole weeks (7 days each) and leftover days

      380 days=54×7+2=54 weeks, 2 days
    3. Divide the days by 7 to get the total weeks as a decimal

      3807=54.29 weeks
    4. Multiply the days by 24 to get the hours, since each day runs midnight to midnight

      380×24=9,120 h
    5. Say it the way people talk about dates: count whole months first (12 to a year), then the days left over

      Jan 31, 2026 → Feb 15, 2027: 1 year, 0 months, 15 days
  6. 6. Days until Feb 23, 2026: 48 days

    1. Count the calendar days from the start date to the target date

      Feb 23, 2026 − Jan 6, 2026=48 days
    2. Split into whole weeks (7 days each) and leftover days

      48 days=6×7+6=6 weeks, 6 days
    3. Divide the days by 7 to get the total weeks as a decimal

      487=6.86 weeks
    4. Multiply the days by 24 to get the hours, since each day runs midnight to midnight

      48×24=1,152 h
    5. Say it the way people talk about dates: count whole months first (12 to a year), then the days left over

      Jan 6, 2026 → Feb 23, 2026: 0 years, 1 month, 17 days
  7. 7. Days since Jun 15, 2025: 137 days

    1. The target is in the past, so count the days from the target date to the start date

      Oct 30, 2025 − Jun 15, 2025=137 days
    2. Split into whole weeks (7 days each) and leftover days

      137 days=19×7+4=19 weeks, 4 days
    3. Divide the days by 7 to get the total weeks as a decimal

      1377=19.57 weeks
    4. Multiply the days by 24 to get the hours, since each day runs midnight to midnight

      137×24=3,288 h
    5. Say it the way people talk about dates: count whole months first (12 to a year), then the days left over

      Jun 15, 2025 → Oct 30, 2025: 0 years, 4 months, 15 days
  8. 8. Days until Sep 10, 2025: 149 days

    1. Count the calendar days from the start date to the target date

      Sep 10, 2025 − Apr 14, 2025=149 days
    2. Split into whole weeks (7 days each) and leftover days

      149 days=21×7+2=21 weeks, 2 days
    3. Divide the days by 7 to get the total weeks as a decimal

      1497=21.29 weeks
    4. Multiply the days by 24 to get the hours, since each day runs midnight to midnight

      149×24=3,576 h
    5. Say it the way people talk about dates: count whole months first (12 to a year), then the days left over

      Apr 14, 2025 → Sep 10, 2025: 0 years, 4 months, 27 days
  9. 9. Days until Mar 22, 2026: 412 days

    1. Count the calendar days from the start date to the target date

      Mar 22, 2026 − Feb 3, 2025=412 days
    2. Split into whole weeks (7 days each) and leftover days

      412 days=58×7+6=58 weeks, 6 days
    3. Divide the days by 7 to get the total weeks as a decimal

      4127=58.86 weeks
    4. Multiply the days by 24 to get the hours, since each day runs midnight to midnight

      412×24=9,888 h
    5. Say it the way people talk about dates: count whole months first (12 to a year), then the days left over

      Feb 3, 2025 → Mar 22, 2026: 1 year, 1 month, 19 days
  10. 10. Days since Jan 6, 2026: 223 days

    1. The target is in the past, so count the days from the target date to the start date

      Aug 17, 2026 − Jan 6, 2026=223 days
    2. Split into whole weeks (7 days each) and leftover days

      223 days=31×7+6=31 weeks, 6 days
    3. Divide the days by 7 to get the total weeks as a decimal

      2237=31.86 weeks
    4. Multiply the days by 24 to get the hours, since each day runs midnight to midnight

      223×24=5,352 h
    5. Say it the way people talk about dates: count whole months first (12 to a year), then the days left over

      Jan 6, 2026 → Aug 17, 2026: 0 years, 7 months, 11 days