Non-decimal currency

High school (ages 12+)
Mathematics & Numbers

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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/non-decimal-currency

Write what each word means, using the article.

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

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is non-decimal currency?It is a money system where the main unit is split into parts that aren’t powers of ten, like 12 or 20 pieces instead of 10.
2. How did the old British pound work before 1971?One pound was made of 20 shillings, and each shilling was 12 pence, so you had to mix 12s and 20s to count.

Non-decimal currency: A monetary system where the ratio of sub-units to the main unit is not a power of 10.
Decimal currency: A monetary system where the ratio of sub-units to the main unit is based on powers of 10 (e.g., 100 cents to a dollar).
Sub-unit: A smaller denomination of currency that comprises a fraction of the main monetary unit.
Decimalization: The process of adopting a decimal currency system, simplifying calculations by using base-10 relationships.