The 12 Most Repetitive ACT® Math Question Types (you can easily get right every time!) in 6 minutes!
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- เผยแพร่เมื่อ 12 ม.ค. 2023
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ACT math doesn't have to be difficult, at least not for these problem types. Every ACT math test tests you on about the same skills and very similar problem types. If you memorize the problem types, you'll almost guarantee that you get a certain number of problems right every time you open up a math test!
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first question is b, 3.04.
To find the percentage decrease, we calculate:
Decrease percentage = 24%
Decrease decimal = 0.24 (24% converted to decimal)
To find the new price after a percentage decrease:
New Price = Original Price x (1 - Decrease Decimal)
New Price = $4.00 x (1 - 0.24)
New Price = $4.00 x 0.76
New Price = $3.04
Great video! thx.
Thank you bro
Tysm
i dont understand the minus 1
@@lifeasterrika4431me neither, I got ACT tomorrow and I don’t understand any of this math 🫠
@@lifeasterrika4431I figured it out.
If it’s increase then you add 1 to the decimal version of the percentage.
If it’s decrease, you do the opposite, so subtract.
Then you multiply the result by the original price.
So for example if you had an original price of $5 and you had to figure out how much it is after you take the price down by 20%, then here’s what you would do.
First, take 1 and subtract the decimal version of 20 from it, (just the number behind a decimal) so 1-0.20
which would get you 0.80
Then multiply the original price, 5, by that.
So 5 times .80
Your result will be 4.
I recommend you practice this skill and I hope my comment helped!!
Bro is doing a speedrun
i love this video pacing tho, i usually have to put vids on 1.5x speed at least
He’s probably racing against time before his iPad dies, the battery gets lower after every problem. At the end his battery is like 6%
@@sailor7096 Fax!
At 2:57, for the log question you can just plug it into your TI-84 calculator by pressing the "math" button, scrolling down to where it says "logBASE (", and plugging it in.
@@glrm9267 yes you can
so i love you for that
does it work for TI-83? i can’t find it when pressing math and scrolling down
@@glrm9267 lmao what bro
bro THANK YOU FOR UR KNOWLEDGE!!! NEEDED IT FRRR
taking the ACT in 2 days and doing last min studying 😭😭 wish me luck yall
mine is in the morning😭😭
@@blaze_johnson2076 ITLL BE OK!! i only studied for one day and i got a 26 whihc i consider to be pretty good :) good luck dude!
how did u do
@@aydrienneray5341 haven’t gotten scores yet, but i don’t think they’re gonna be good😂. i would be doing so good the first half of the tests, then i would just completely lose focus and end up procrastinating then guessing on the rest last second. ON ALL FOUR😭😭
@@aydrienneray5341 i got a 26! im actually really proud of it because it was my first ever ACT test , im gonna take it again though and try to get a better score
I love you for this video. It’s an absolute lifesaver. I’m taking the ACT tomorrow wish me luck I’m terrified.
omg same. good luck u got this. i’m a senior and it’s my first act..
sammmmee we got this yalllll
WE GOT THIS GLLL!!!
@@tiredstaples okay that was bad.
@@sammmmmm06 bye that test went horrible. LMAOAOA
I'm taking the test in an hour I found out I had testing yesterday and this video makes me realize I have no idea what I'm doing and I'm going to fail 😀
what did you make?
i need an update
@@natesmarr3909 I failed
@@brooketaylor808 What was your score
@@kanyenorth3112 yeah bro like what was his score dawg
Thank you I got a 29 on my act
How hard was it for you, and any tips?
Congratulations!!
good job!!
We making it out of the state with this one 😤
such a good video almost all the problems you taught were the ones I didn’t know how to solve when taking a practice test! Thanks so much 😊for
Literally I remember a lot of these problems
Thank you so much for this video! My previous ACT my math was the lowest by a WIDE margin and I’m taking it tomorrow so this last minute studying is very helpful
Thanks a lot for this video! It really helps with understanding how to solve the most common ACT questions!
A quicker way to solve the question (49):
if you rearrange the binomials you will see that it's in fact the difference between two squares
(-6i+6)(6i+6) -> (6-6i)(6+6i)
"the difference between two squares: a² - b² = (a-b)(a+b)"
so (6)² - (-6i)² which is 36 - 36i² (i² = -1) so simplified it's 36+36 = 72
It will save about 4~6 seconds, but it's the act and every second matters.
could you post a video for reading section
For 49, It might be faster to treat (-6i +6) as -(6i-6) so that you can do a difference of squares and simply turn the end result negative. -(6i-6)(6i+6) = -(36i^2 -36) = 72
After watching A LOT of SAT prep videos, the go-to calculator is the TI36 XPro. No question about it.
I’ve taken the act and sat multiple times each!! I can’t afford fancy graphing calculators but I highly recommend the Casio fx300es plus for a cheaper alternative :)
@@nightvisiongoggles5929 The fx300es has CAS capability, right? I believe that I read it does. If I’m right, it’s better than the TI-84 in that regard.
I'm taking the ACT in four days and trying to study as much as I can, wish me luck y'all.
Woohoo taking the act tm, this helped!
what was it like i’m anxious i take it this wknd
@@_xxgogglesgamingytxx_4865I’m taking it for the 4th time Saturday and honestly I have no feeling I’m so tired of this test mentally all I want is a 21 or 22 last time I got a 20 but I rly just wanna pass and never see this test again in my life
@@KingRage1 yo me too :///// might as well oof myself atp.
@@JVC0206 guys me too...I always procrastinate this shit every time I say Im gonna change and now its last minute I hate it
guys me too...I always procrastinate this shit every time I say Im gonna change and now its last minute I hate it
for the rectangular prism why did you divide by 4? how did you know to do that?
The question asked for 1/4 of the volume
The question asked for 1/4 of the volume which means there are 4 parts and it's asking how much is one
So if it said 1/5 would I just divide by 5?
@@sour_milk48correct! :D
Oh god these were all so easy but my vrain is sooooo used to doing a shit ton of algebra that i couldnt do these 💀 hopefully this Saturday my score can go up
Are there plenty of geometry and algebra because I suck at those?
@@milandeloach9081 geometry seems to be too much on the sat and act tests, I recommend going over it as well as algebra. I did okay on that section but I honestly am not that good at geometry lol, I believe in you tho and you can totally do this ╰(*´︶`*)╯
Number 43 says to give the distance in miles, but only provides meters and no conversion factor.
Very helpful video thx 🙏🏻 ❤
thank you!
(Soh)oh is for opposite hypotenuse/ (Cah) ah adjacent hypotenuse/ (Toa) opposite adjacent
good luck y'all
Anothre tip, the derivative of the area of a circle equals the circumference.
the area is a constant so taking the derivative of it would be equal to zero
1:09 do you always divide it by four for equations like this or did you only divide it by four bc it asks for 1/4 of the volume? (So if it were to be like 1/7 i would divide by seven?) (And what would i do if i had a number like 2/3?)
this was bc it's 1/4 of the volume! you'd divide by 7 in that case, yes. if the question asked for 2/3 of the volume, you would just multiply the volume by 2/3, which is the same as multiplying by 2 and dividing by 3
if you take a fraction/percentage/decimal "of" something, that "of" just means multiplication
Thank you!!
You're welcome!
What? In the equivalent Greek ACTs, we had to prove the entire calculus 1 from limits to derivatives up to integration! It took me 5 years of engineering to master those mathematics and still I can not even score an 80% on Greek's highschool ACTs. My country's ministers of education are assholeees! The equivalent MIT of Greece (Aristotle University Of Thessaloniki Electrical And Computer Engineering) is ranked 400 compared to other great universities. They try to drown us with knowledge before we are ready and still suck in competition with others. imagine just that.
This is a very helpful video!
Thank you!
we can help students to get the act 33+
I don’t want to go to college no more after this u don’t break it down
Great list!
problem 28 : 2^n = 16=2^4 then n = 4
Thank you 😁
For question 43 can someone tell me what kind of math this is? I need to look up videos for it in more detail
Geometry! Specifically with angle equations. If you look up “soh cah toa” explanation you should be able to find a video more in depth. Trig covers this a bit too but on a higher level. Hope this helps 🙌
For each case, you should make an estimate. This takes several seconds and gets the correct answer very fast. I was able to answer every question correctly without any calculator in a few seconds.
how does dividing 244 by 4 mean that the 244th digit will be 7?
When you divide 244 by 4, you get 61 with no remainder. It means that you hit the 4th digit, which is 7. In the given problem, the number repeats every 4 digits
1497 1497 1497 etc
The 4th, 8th, 12th digits are all divisible by 4 with no remainder. You get 7. If you continue until the 244th digit, you also get 7.
In other words, just look for the remainder after dividing by 4.
245/4 = 61, remainder 1. The answer is the first digit 1.
246/4 = 61, remainder 2. The answer is the second digit 4.
248/4 = 62, no remainder. The answer is the fourth digit 7.
Guys, whats the answer to the Log question? I cant do the log thing on my TI-30xa calculator so idk how to do it
4 sorry for late reply baby
ik why he did them so fast its cuz he was running out of batter lol. No hate tho all love much appreciate these vids
For number 5 6 does not factor into 45 or 81
33% charge
Why do u divide by 4
Thank you so much
Of course.
i dont understand #43 would anyone be so kind to explain it to me?😭 i take the act tmr so if anyone could explain it asap i’d greatly appreciate ittt
It’s a trig question, look at the given angle (not the right angle) in this case 41. Look for what the question asks for. Use any values already given to know which one to use (sin cos tan). The side touching the given angle is adjacent. The problem asks for car to house distance (not given so use x) which is opposite angle, so you know to use tan. You would set it up like Tan(given angle) = opposit/adjacent The calculator should do the rest for you. if x ends up on same side as sin cos or tan put it over 1 and cross mulitply like any equation. If your actual problem doesn’t give an angle just use the inverse. Sorry it’s long, hopefully this helps, good luck!!
Also if a problem wants an actual value, don’t forget to check that your calculator is in degrees not radians for trig!
@@clique-bait ohh that makes much more sense, thank you!
Too fast
this wasn’t bad at all i think i’ll be okay
Slow down! You’re talking way too fast!
The first question gives me 3.76 why?
thats incorrect. i set mine up as a proportion and did x/4= 24/100 and solved for x. then, subtract that number from 4 to get 3.04
4x.24 is 0.96 then you would do 4.00-0.96 to get 3.04
Isnt 2 A???
No because remember, the “price decreased” Therefore you have to subtract 0.96 from $4.00= giving you $3.04.
@@scar.9406 How do you know to subtract 0.96 from 4?
@@alexamarkovich2232 24% = .24 (think 24/100).
Multiply .24 and 4 to get 0.96.
This means 0.96 is 24% of 4.
Subtract 0.96 from 4 because the price is “decreasing;” the answer will be less than 4.
When you subtract 0.96 from 4, then you get $3.04.
Can someone explain why we are multiplying .24 to 4
someone cooked here
I’m taking the test in 1 hours 😭😭
im still lost, glad everyone else gets it though
let us know if you have any specific questions!
all the questions on the examples are easy except the first one abt the milk, my brain has to be fried or some shit
Log problem is wrong
i'm literally in the car on my way to the exam
You can literally guess half of these and get them correct
You are going and speaking way too fast. :(
slow it down
Why is this so easy (im an indian in 7th grade)
Great video, however you need to slow down just a tad. Remember, just because you know the material, it doesn’t mean your audience does. Slow down and speak CLEARLY!
slow down man
problem 43, WRONG AGAIN, they are asking distance in miles not meter , so you need to convert, and none of the above answers! 1 meter = 0.000621 miles
You're going too fast