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Odd Days Classic - Absolute-Beginner Level: core concept mastery Odd Days Classic ABSOLUTE BEGINNER

This skill primer 🌟 worksheet focuses on Odd Days Classic - a key topic in Calendar Problems. You'll solve 20 absolute-beginner-level problems (Worksheet 1 of 10). The primary focus is on core concept mastery. Master odd days classic problems, odd days classic reasoning questions, and odd days classic practice through systematic practice.

📝 Worksheet 1 of 10 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Absolute Beginner level

What you'll learn in this worksheet:
Your progress through Odd Days Classic
Worksheet 1 of 10 (0% complete)

Question 1

How many odd days are there from 01-01-2025 to 12-01-2028 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 1107. Odd days = 1107 mod 7 = 1.

Question 2

How many odd days are there from 01-01-2013 to 19-01-2017 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 1480. Odd days = 1480 mod 7 = 3.

Question 3

How many odd days are there from 01-01-2020 to 21-09-2021 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 630. Odd days = 630 mod 7 = 0.

Question 4

How many odd days are there from 01-01-2016 to 18-06-2021 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 1996. Odd days = 1996 mod 7 = 1.

Question 5

How many odd days are there from 01-01-2017 to 03-06-2018 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 519. Odd days = 519 mod 7 = 1.

Question 6

How many odd days are there from 01-01-2022 to 09-02-2023 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 405. Odd days = 405 mod 7 = 6.

Question 7

How many odd days are there from 01-01-2019 to 07-07-2022 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 1284. Odd days = 1284 mod 7 = 3.

Question 8

How many odd days are there from 01-01-2001 to 05-04-2003 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 825. Odd days = 825 mod 7 = 6.

Question 9

How many odd days are there from 01-01-2013 to 18-03-2016 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 1173. Odd days = 1173 mod 7 = 4.

Question 10

How many odd days are there from 01-01-2017 to 08-05-2021 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 1589. Odd days = 1589 mod 7 = 0.

Question 11

How many odd days are there from 01-01-2019 to 18-11-2023 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 1783. Odd days = 1783 mod 7 = 5.

Question 12

How many odd days are there from 01-01-2000 to 06-10-2003 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 1375. Odd days = 1375 mod 7 = 3.

Question 13

How many odd days are there from 01-01-2021 to 17-11-2024 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 1417. Odd days = 1417 mod 7 = 3.

Question 14

How many odd days are there from 01-01-1992 to 06-05-1994 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 857. Odd days = 857 mod 7 = 3.

Question 15

How many odd days are there from 01-01-2022 to 24-01-2024 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 754. Odd days = 754 mod 7 = 5.

Question 16

How many odd days are there from 01-01-1995 to 07-04-1996 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 463. Odd days = 463 mod 7 = 1.

Question 17

How many odd days are there from 01-01-2021 to 21-02-2022 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 417. Odd days = 417 mod 7 = 4.

Question 18

How many odd days are there from 01-01-2018 to 02-03-2020 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 792. Odd days = 792 mod 7 = 1.

Question 19

How many odd days are there from 01-01-2014 to 25-01-2016 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 755. Odd days = 755 mod 7 = 6.

Question 20

How many odd days are there from 01-01-2023 to 11-05-2027 (inclusive)? (Note: Odd days = remainder when total days are divided by 7)
Total days = 1592. Odd days = 1592 mod 7 = 3.
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