Place value

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/place-value

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 place value and why is it important?Place value means each digit's spot tells how big it is. It lets us write huge numbers using only a few digits.
2. How does the Hindu-Arabic numeral system use place value?In this system each spot is a power of ten: ones, tens, hundreds, and so on. Zero acts as a placeholder so numbers can be written cleanly.

Positional Numeral System: A system where the value of a digit is determined by its position relative to a radix point.
Radix (Base): The number of unique digits, including zero, used in a positional numeral system (e.g., 10 for decimal, 2 for binary).
Hindu-Arabic Numeral System: The base-10 positional system developed in India, now used globally, characterized by the use of zero.
Radix Point: The symbol (e.g., decimal point) separating the integer part from the fractional part of a number in a positional system.