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Integers

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Integers
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Montāžas Teksta

  • I think so. I understand subtraction but not addition, multiplication, or division.
  • Hi I have a problem. We learned about integers in school today but I have absolutely no idea what we learned and we have an exam tomorrow
  • Alright, let's start by knowing that 0 is neither negative nor positive. Okay?
  • Of course you don’t remember. Did you learn all operations?
  • Sounds simple enough, what about multiplying and dividing?
  • Alright
  • For Eg -5 + -6-5 and -6 have the same sign, so the answer will be -11
  • I will give you some key information and then help you with problems. When you are adding integers, if the numbers have the same signs then you keep that sign.
  • So I know that you multiply normally, but I don’t know what to do with the signs.
  • I think I do! Can we talk about multiplication and division now?
  • In multiplication you multiply the numbers normally, but if they have the same signs the answer will be positive, and if they have different signs the answer is negative.
  • Sure! What do you know so far?
  • Yes! Multiplication seems pretty easy! What about division?
  • YES. Okay, so tell me if I’m wrong: -7 x -8 = 56 and -7 x 8 = -56?
  • Since you found multiplication simple, you’re in luck because division follows the exact same rules! Obviously you divide not multiply, but the rest is the same!
  • Nope, you got it right!
  • I think I’m ready, Thank you!
  • Alright! Wait, before you leave, let me know if I'm good with division and addition too: -9 / 3 = -3 and -8 + -9 = -17?
  • You are correct. Do you think you are ready for school tomorrow
  • No problem !
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