IGCSE Maths - Upper and Lower Bounds - Lesson 16

TAKE NOTE: MISTAKE at 2:39 - it should have written and said 2.5 + 2.5 + 4.5 + 4.5 = 5 + 9 = 14 m AND NOT 15 m. Sorry about that. But otherwise, it should all be correct. Please let me know of any other mistakes. Thanks!

Video tutorial on what Upper and Lower Bounds are and how to use and apply them to some typical exam style questions.

[baz_budgies]

thank you so much! you have saved me and btw tomorrow is my test, it was really helpfull, thanks once again....



wish me luck ✨

[NinniWasTaken]

Thanks, my test is today and I needed to clear some doubts

[kid]

Thanks a lot brother, finally found that explains things to me

[jksbottommole]

why are there line on the screen, like a glitch or something

[shehransalam]

Is there any relation of upper and lower bound when applying it to the concept of similar triangles?