maths holiday homework
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- Sounds simple enough, what about multiplying and dividing?
- That’s so cool! Now please teach me or I will fail
- Slow down there, let me explain a problem to you. Let’s see, -5 + -6? -5 and -6 have the same sign, so the answer will be -11. Do you get it?
- 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.
- I think so. I understand subtraction but not addition, multiplication, or division.
- Gertha I have a problem. We learned about integers in school today but I have absolutely no idea what we learned.
- Alright, let's start by telling you that0 is neither negative nor positive. Okay?
- Of course you don’t remember. Did you learn all operations?
- 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?
- Okay so, 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. Much simpler than addition and subtraction, right?
- 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, but yeah I want to review it tomorrow too. Thank you so much for the help Gertha, you are a great friend!
- Yay! Wait, before you leave, let me know if I'm good with division and addition too: -9 / 3 = -3 and -8 + -9 = -17?
- Precisely. Do you think you are ready for school tomorrow? You can review this with me before class if you want to.
- No problem Debrah, anytime.
- You are #cancelled and no longer my friend. Leave please!
- So is your mom coming to pick you up? You can use my phone to call her if you need to.
- She said she would but I think she forgot me. Yeah I'll call her. OH MY GOSH I'M SO SORRY I DROPPED IT
- Fine, bye.
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