Understanding decimals starts with a good understanding of place value. Therefore, I recommend that you start by carefully studying decimals place value before studying other lessons once you are done reading this page.
What is a decimal? When examining the word decimal, you can recognize the prefix deci. And deci is equal to 1/10 or 0.1
A decimal is referring to any proper or improper fraction whose denominator is 10, 100, 1000, and so forth...
For example, the following are all examples of decimals.
5/10 = 0.5
2/100 = 0.02
16/1000 = 0.016
1/100 = 0.01
195/10000 = 0.0195
45/10 = 4.5
234/100 = 2.34
Notice that the first 5 are proper fractions and the last two are improper fractions.
Decimals place value
We can then say that a decimal is a combination of a whole number and a fraction of a whole number.
Learn how to name the place value of a decimal number
Writing decimals in words
Learn how to read and write decimals
Learn how determine if a decimals is bigger or smaller than another decimal.
Learn how to simplify a decimal by rounding.
This lesson will attempt to give you a deep understanding of adding decimals
A deep understanding of subtraction with decimals.
Decimals to fractions
Learn how to convert a decimal to a fraction.
Fractions to decimals
Learn how to convert a fraction to a decimal.
Converting repeating decimals to fractions
Learn how to convert repeating decimals to fractions
New math lessons
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