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### Course: 5th grade>Unit 1

Lesson 6: Comparing decimals

# Comparing decimals in different representations

This video is all about comparing decimals. Learn how to determine which of two decimals is larger by converting them into a common format. Practice understanding place value and the importance of each digit's position.

## Want to join the conversation?

• At like the 2-minute mark what do you mean by re-expressing
• Because we're saying it again, expressing it again, which is re expressing.
• why does sal say "re expressing"? @
• Re as a prefix means again which means his expressing it again.
• Wait I don't get the part where in the last digit if we add a zero how does it not change the value of the particular number while comparing?
• 2 is the same as 2.0. The decimal makes it the same.
2 = 2.0 = 2.00 = 2.000
• Why are poeople weird
• because it's in our nature
• what does the re-expressing mean?
• re-expressing the data another way by applying a function, such as a square root, log, or reciprocal. You already use some of them, even though you may not know it. We often look to re-express our data if doing so makes them more suitable for our methods.
• How is 1 equal to 11?
• what is 420.69 in fractions form?
• 420 69/100 or 42069/1000
• this is pretty cool i love khan academy it helps you with math you know like it is pretty fun, i like this