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Anniversary worksheet

Grades 3–4

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

  1. Problem 1.
    • Wedding or start date: Sep 30, 2015
    • Counting from: Dec 13, 2024

    Find: Years together

  2. Problem 2.
    • Wedding or start date: Jul 12, 2015
    • Counting from: Feb 4, 2027

    Find: Years together

  3. Problem 3.
    • Wedding or start date: Jun 29, 2016
    • Counting from: Jul 24, 2025

    Find: Years together

  4. Problem 4.
    • Wedding or start date: Sep 18, 2015
    • Counting from: Jul 11, 2026

    Find: Years together

  5. Problem 5.
    • Wedding or start date: Apr 22, 2015
    • Counting from: Feb 15, 2027

    Find: Years together

  6. Problem 6.
    • Wedding or start date: May 15, 2015
    • Counting from: Jan 6, 2026

    Find: Years together

  7. Problem 7.
    • Wedding or start date: Sep 4, 2014
    • Counting from: Oct 30, 2025

    Find: Years together

  8. Problem 8.
    • Wedding or start date: Nov 30, 2014
    • Counting from: Apr 14, 2025

    Find: Years together

  9. Problem 9.
    • Wedding or start date: Jun 11, 2015
    • Counting from: Feb 3, 2025

    Find: Years together

  10. Problem 10.
    • Wedding or start date: Mar 28, 2015
    • Counting from: Aug 17, 2026

    Find: Years together

Answer key: Anniversary worksheet

  1. 1. Years together: 9 years

    1. Count the full years, up to the last anniversary on or before the date

      Sep 30, 2015 → Sep 30, 2024=9 years
    2. Count the complete months after that

      Sep 30, 2024 → Nov 30, 2024=2 months
    3. Count the days that are left

      Nov 30, 2024 → Dec 13, 2024=13 days
    4. For the total, count every day between the two dates

      Dec 13, 2024 − Sep 30, 2015=3,362 days
    5. Count the days to your 10th anniversary

      Sep 30, 2025 − Dec 13, 2024=291 days
    6. Look up the 10th year in the traditional gift list

      10th: Tin or aluminum
  2. 2. Years together: 11 years

    1. Count the full years, up to the last anniversary on or before the date

      Jul 12, 2015 → Jul 12, 2026=11 years
    2. Count the complete months after that

      Jul 12, 2026 → Jan 12, 2027=6 months
    3. Count the days that are left

      Jan 12, 2027 → Feb 4, 2027=23 days
    4. For the total, count every day between the two dates

      Feb 4, 2027 − Jul 12, 2015=4,225 days
    5. Count the days to your 12th anniversary

      Jul 12, 2027 − Feb 4, 2027=158 days
    6. Look up the 12th year in the traditional gift list

      12th: Silk or linen
  3. 3. Years together: 9 years

    1. Count the full years, up to the last anniversary on or before the date

      Jun 29, 2016 → Jun 29, 2025=9 years
    2. Count the complete months after that

      Jun 29, 2025 → Jun 29, 2025=0 months
    3. Count the days that are left

      Jun 29, 2025 → Jul 24, 2025=25 days
    4. For the total, count every day between the two dates

      Jul 24, 2025 − Jun 29, 2016=3,312 days
    5. Count the days to your 10th anniversary

      Jun 29, 2026 − Jul 24, 2025=340 days
    6. Look up the 10th year in the traditional gift list

      10th: Tin or aluminum
  4. 4. Years together: 10 years

    1. Count the full years, up to the last anniversary on or before the date

      Sep 18, 2015 → Sep 18, 2025=10 years
    2. Count the complete months after that

      Sep 18, 2025 → Jun 18, 2026=9 months
    3. Count the days that are left

      Jun 18, 2026 → Jul 11, 2026=23 days
    4. For the total, count every day between the two dates

      Jul 11, 2026 − Sep 18, 2015=3,949 days
    5. Count the days to your 11th anniversary

      Sep 18, 2026 − Jul 11, 2026=69 days
    6. Look up the 11th year in the traditional gift list

      11th: Steel
  5. 5. Years together: 11 years

    1. Count the full years, up to the last anniversary on or before the date

      Apr 22, 2015 → Apr 22, 2026=11 years
    2. Count the complete months after that

      Apr 22, 2026 → Jan 22, 2027=9 months
    3. Count the days that are left

      Jan 22, 2027 → Feb 15, 2027=24 days
    4. For the total, count every day between the two dates

      Feb 15, 2027 − Apr 22, 2015=4,317 days
    5. Count the days to your 12th anniversary

      Apr 22, 2027 − Feb 15, 2027=66 days
    6. Look up the 12th year in the traditional gift list

      12th: Silk or linen
  6. 6. Years together: 10 years

    1. Count the full years, up to the last anniversary on or before the date

      May 15, 2015 → May 15, 2025=10 years
    2. Count the complete months after that

      May 15, 2025 → Dec 15, 2025=7 months
    3. Count the days that are left

      Dec 15, 2025 → Jan 6, 2026=22 days
    4. For the total, count every day between the two dates

      Jan 6, 2026 − May 15, 2015=3,889 days
    5. Count the days to your 11th anniversary

      May 15, 2026 − Jan 6, 2026=129 days
    6. Look up the 11th year in the traditional gift list

      11th: Steel
  7. 7. Years together: 11 years

    1. Count the full years, up to the last anniversary on or before the date

      Sep 4, 2014 → Sep 4, 2025=11 years
    2. Count the complete months after that

      Sep 4, 2025 → Oct 4, 2025=1 month
    3. Count the days that are left

      Oct 4, 2025 → Oct 30, 2025=26 days
    4. For the total, count every day between the two dates

      Oct 30, 2025 − Sep 4, 2014=4,074 days
    5. Count the days to your 12th anniversary

      Sep 4, 2026 − Oct 30, 2025=309 days
    6. Look up the 12th year in the traditional gift list

      12th: Silk or linen
  8. 8. Years together: 10 years

    1. Count the full years, up to the last anniversary on or before the date

      Nov 30, 2014 → Nov 30, 2024=10 years
    2. Count the complete months after that

      Nov 30, 2024 → Mar 30, 2025=4 months
    3. Count the days that are left

      Mar 30, 2025 → Apr 14, 2025=15 days
    4. For the total, count every day between the two dates

      Apr 14, 2025 − Nov 30, 2014=3,788 days
    5. Count the days to your 11th anniversary

      Nov 30, 2025 − Apr 14, 2025=230 days
    6. Look up the 11th year in the traditional gift list

      11th: Steel
  9. 9. Years together: 9 years

    1. Count the full years, up to the last anniversary on or before the date

      Jun 11, 2015 → Jun 11, 2024=9 years
    2. Count the complete months after that

      Jun 11, 2024 → Jan 11, 2025=7 months
    3. Count the days that are left

      Jan 11, 2025 → Feb 3, 2025=23 days
    4. For the total, count every day between the two dates

      Feb 3, 2025 − Jun 11, 2015=3,525 days
    5. Count the days to your 10th anniversary

      Jun 11, 2025 − Feb 3, 2025=128 days
    6. Look up the 10th year in the traditional gift list

      10th: Tin or aluminum
  10. 10. Years together: 11 years

    1. Count the full years, up to the last anniversary on or before the date

      Mar 28, 2015 → Mar 28, 2026=11 years
    2. Count the complete months after that

      Mar 28, 2026 → Jul 28, 2026=4 months
    3. Count the days that are left

      Jul 28, 2026 → Aug 17, 2026=20 days
    4. For the total, count every day between the two dates

      Aug 17, 2026 − Mar 28, 2015=4,160 days
    5. Count the days to your 12th anniversary

      Mar 28, 2027 − Aug 17, 2026=223 days
    6. Look up the 12th year in the traditional gift list

      12th: Silk or linen