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Small Whale · Reading worksheet

24-hour clock

High school (ages 12+)
Mathematics & Numbers

Name: 

Date: 

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/24-hour-clock

Step 2 · Questions

  1. 1. What was 24-hour clock's job?

  2. 2. What is the international standard?

  3. 3. What is the core principle?

Step 3 · Words to know

Write what each word means, using the article.

  • 24-hour clock

  • ISO 8601

  • Temporal Ambiguity

Step 4 · Two facts in your own words

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

1.
2.
Free to print and copy for classroom use.24-hour clock · smallwhale.org/articles/24-hour-clock · CC BY-SA 4.0