Compound Interest - GCSE Maths
Video Overview & Insights
This video is for students aged 14+ studying GCSE Maths.
* Typing error at 17:36 *
The question should say “after 3 years Ruby’s investment is worth £718.73…” (not 4 years)
A video explaining compound and simple interest. We look at a range of different exam style questions.
https://www.youtube.com/watch?v=UULJ9_7peZU
Anyone here cuz they didn't understand in class partly because of not paying attention and exams are soon
https://www.youtube.com/watch?v=MzDpBzXqZU8
Exam Question Booklets:📝
Maths paper 3 in 1 hour
🔗Exam Question Edexcel Style: https://www.1stclassmaths.com/_files/ugd/9f3fb0_7fe8dc48ced34c2ba19c8b13e2f0097f.pdf
🔗Exam Questions AQA Style: https://www.1stclassmaths.com/_files/ugd/9f3fb0_65c3037ff3ed436f8114d94bbd41559f.pdf
Maths paper 3 in 1 hour
🌐 https://www.1stclassmaths.com/ for more high quality revision questions.
0:00 Introduction
thanks lad
🍗
0:23 What is interest?
1:25 Simple Interest Example 1
You need to calculate the interest of on previous year interest as well.
2:39 Simple Interest Example 2
3:25 Practice Questions (Simple Interest)
Your calculations is wrong
4:37 Compound Interest Example 1
7:43 Compound Interest Example 2
how do we know when to differentiate by compound and simple interest
8:22 Practice Questions (Compound Interest)
9:10 Exam Question 1 - Finding the interest
maths tmr guys
10:30 Exam Question 2 - Two different offers
12:01 Exam Question 3 - Finding the number of years
TYSM i got my year 10 mocks tomorrow and im genuinely learning stuff rn thank you for making it easy for me fr
14:41 Exam Question 4 - Finding the number of year when no money is given
17:27 Exam Question 5 - Finding the original investment
man i missed my math class one day and missed the entire topic of interest...i didnt understand the compound interest up until i saw this video...great video man...ill reccommend your channel to my friends who struggle in maths
19:03 Exam Question 6 - Finding the rate of interest
21:17 Repeated % Change Example 1
Whats with the disclaimer at the start?
22:36 Repeated % Change Example 2
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1st ot all Why can 12 and below watch it and 2nd of all what❤ about 1q3 year old cause I'm 13 and it said a 14 and above can watch it but 12 and below can't watch it
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2 hours until were cooked guys 💔💔
More User Perspectives
This was a life saver your so underrated 😭😭
@FizzyAxe-FASitting here with dyscalculia 🙃 and a natural hate for maths
@wannabeteenauthorthe worst videos
@youssefmina-g6pthe worst messsages
@youssefmina-g6pI just lowkey love cognito and his voice and it makes me remember more💔🥀
@lillydumbisnt there an equation for this: P(1+r/100)^t where P is the original amount (the amount invested) r is the rate and t is the time ??? that’s what i was hoping you would use
@PoeloKagoKomanyanaCould compound interest come in non calculator papers? If so, is it the same method or is there an alternative way?
Thanks!
14:17 67 heh
@proxyreindeer8:07, how do you get 1. 02
@LakshikaArun-w7iIt got a bit difficult near the end as I don't know what "cube root" means, but that means I know what to study next!
@thedococtor23:04 Sorry I don't understand, why do you multiply it by 0.85 and not 1.15 ??🤔😶
@salmahussain8120😍this video got me such good marks in my test thanks so much
@junesjunes31567
@LaReina-t7ebut i thought you use the formula for simple interest which is S.I=P*R*T/100
@ThaliaEllaInezaI love you
@breakingbad148abqWe are almost three months away from The GCSE maths exam. I wish you all a great luck with your GCSE exam.
@alfadelomer8225how many marks is compound interest
@user.da0001is it too late to ask you for a video about simple interest
@Pav1786You are actually amazing
@imcookedbundatSo much 67
@imcookedbundatHiii, can you break down the second question at 11:37 i dont understand why you did it to the power of 3🥲
@Erica-t8tyouve actually saved my life for higher maths because i really struggle and i forget if a topic is not taught with really precise words and visuals but now i can at least get a grade 7 tysm
@runderscoreuser3083underrated maths youtuber, I always turn to you when Cognito isn't there
@hyperfixatedmythosgirl18:50 it said after 4 years , so why did you make the power to a 3 . Sorry if I am wrong, I just didn't understand it.
@Sxwair4_xxxtysm ur the reason i got a a star on my term test in grade 8
@shaheeshahee6682Thanks bro😊
@DarrelBoboThank you sooo much 😊
@Reall-x8ydo you offer tuition lessons 😌😌🤔
@ayeshallastname6225Turn to Christ
@JayAgainnn21:38 are you predicting for yourself?
@Student-r5gyour way to explain and teach is very good thank you! you have great talent and teaching
@its_me-welcomelove this man bro my topics allign so good with your videos i just finished percentages and im now on thiss!!!
@CryingSimwhat is the worksheet you use
@MuhamadHusseinMussa