Maths - Homework, Help & Hacks

That's tutoring sessions over for another academic year.

I'll still update the page with occasional maths so feel free to keep an eye out

have a great summer everyone and see you all in September.

Did you know today (28th June) is a rare perfect day?

Very few numbers are perfect. which means if you add up their perfect divisors - numbers that are lower than it - you get the same number

there are only 2 under 31, and they are

6.
1 x 6
2 x 3

3+2+1 = 6

and 28.
1 x 28
2 x 14
4 x 7

1 + 2 + 4 + 7 + 14 = 28

Hope you all have a perfect day 🙂

🧠🔢 Math Tip: Let's talk about number bonds and part/whole thinking! 💡👀 https://www.mathcoachscorner.com/2013/08/the-evolution-of-a-number-bond/

That's a new way to memorising sohcahtoa

Trig.tricks😎 #رياضيات#math#q8 #الكويت #كويتي#كويتيات#كويتيه#اكسبلور#kuwait #مدارس_الكويت#explore

Today's Topic: Trigonometry

As most of you are on Intermediate, I'll stick to right angle triangles. If anyone needs non right angle triangles please let.me.know

Also: remember that soh cah toa is not included in the formula sheet, so it needs to be memorised.

So Quick summary: how to find a missing side when you have an angle and one side
1) draw your soh cah toa triangles (see image)
2) label your hypotenuse adjacent and opposite (see image).
3) check which side you have and which do you need and use this to select which sohcahtoa triangle you need
4) cover side you are looking for to find.your calculation.
eg if you have H and need O. On soh cover the O and you will see you need sin(x) times H
5) pop that into a calculator to ger your answer

When your comfortable with that, use it to find the missing angle from 2 sides. But remember to use the inverse sin tan and cos buttons instead (the ones with -1 on it)

If you need a more detailed explanation, have a look at find the missing side:
https://youtu.be/F_uTDZtRe0I?si=b9BXW6wBzXGUNGg2

And find the missing angle:

https://youtu.be/I2MpcUZNQD0?si=IaR1Z3URqDVVejku

Lastly, for practice with immediate feedback, here is the usual reliable transum.link...
https://www.transum.org/Maths/Exercise/Trigonometry/Default.asp?Level=7

Nearly there all, just a few more weeks to.go

Hi all. Today's revision topic is y=mx+c

This is the formula for any straight line graph
Where
m is the gradient of the line
c is the intercept of the y axis

Here is a link to bbc bitesize explanation of the topic: https://www.bbc.co.uk/bitesize/guides/z9387p3/revision/3

And a Corbett video link: https://youtu.be/HdlnBX82jxI?si=T4mJDItkMX1vN3nn

For practice, two good choices are
Transum: https://www.transum.org/Maths/Exercise/Graph/
Or Corbett: https://corbettmaths.com/2019/08/29/equation-of-a-line-practice-questions/

If anyone would like to go over this topic during this week's session, please send me a pm and let me know

Good luck with your revision!

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