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A cheat sheet I made a while back just basic math
Typology: Cheat Sheet
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For Math Exam 2022 My beloved sheet (´▽`ʃ♡ƪ) So welcome to my ahem wonderful document. So, I hope it is easy to understand for our exam.
Number operations:
Whole Number definition: A number that includes natural numbers and 0. 1, 2 , 3, 4, 5… and so on. Integers definition: A number with no fractional parts. Includes Negative numbers, Positive numbers and 0. bhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Decimals: In short decimals are a fraction whose whole number part and fractional part s separated by a point To convert a decimal to percentage, times the decimal by 100. For the opposite, just divide by 100. To convert decimal to fraction, we divide the decimal by 100 and present it so. E.g: 4% is 4/100 so we can simplify it to 1/25. bhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Fractions: To convert fraction to decimal, we divide the numerator by the denominator. Fraction to percentage: Convert the fraction to a decimal, then times by 100.
The rates of change: I really do not know why but I rly like doing questions and practicing rates of change :0. I also don’t think it will necessarily appear on the test. Despite me liking it, it is quite tricky The rate of change is also known as percentage change :) Here is my source for it: Percentage Change So there are 2 ways to do this, (or 2 formulas) I’m running out of time, so I suggest you try to understand the info on the link and try the practice questions :) bhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Coordinate geometry (Optional): As you can see in THIS very lovely example, the red dots are points showing a coordinate. We know how to read this so let's get into formula on coordinate planes ┑(￣Д ￣)┍.
I am just gonna dump a bunch of formula’s here plz do not mind me: Ah yes a bunch of formula’s our eyes have never set upon and are screaming in agony. Like I have
this section (because you cannot escape this next year) please do so. Coordinate geometry (or analytic geometry) is defined as the study of geometry using the coordinate points.
