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Course: Arithmetic (all content)>Unit 3

Lesson 11: Division problems that work out nicely

Canceling zeros when dividing

Lindsay breaks down division problems involving multiples of 10.

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• why did you cross out the 0 because you need them in the rest of the problem
• you dont it is as simple as canceling a one zero and adding that other zero to your basic diveden
• wait if fractions are division how a decimal not division because you can convert a fraction to a decimal and vice versa!
• Fractions represent division, while decimals are the results or quotients of the equivalent fraction. Let's take a look: We have the fraction 4/5 and it's equivalent decimal, 0.8. The fraction represents 4÷5, and the decimal is the answer to the equation. That means 4÷5=0.80. This is why you can convert fractions to decimals. Good question!
• She is just removing a ten from each number to simplify the dividing process.
• But can we use multipling
• On the tests say the question is 6000 divided by 6 i don't know whether to put 100 or 1000
• well you would ignore the zero to bring it to your deniame
• what is 9000,000,000+ 9900,000,000=
• or when it is 56 divided by 7 to put 7 or 70