From b3a84fd0532a1bd83eace70b63242ac7744c0165 Mon Sep 17 00:00:00 2001 From: Soup <39444003+magicalsoup@users.noreply.github.com> Date: Wed, 16 Jan 2019 15:02:11 -0500 Subject: [PATCH] Update Math.md --- Grade 9/Math.md | 44 ++++++++++++++++++++++++++++++++++++-------- 1 file changed, 36 insertions(+), 8 deletions(-) diff --git a/Grade 9/Math.md b/Grade 9/Math.md index 4546c6d..c876c5c 100644 --- a/Grade 9/Math.md +++ b/Grade 9/Math.md @@ -1,5 +1,31 @@ # Math Study Sheet!!!! +# Exam Detail +> |Unit|Marks| +> |:---|:----| +> |Unit 1|10| +> |Unit 2|10| +> |Unit 3|9| +> |Unit 4|11| +> |Unit 5|11| +> |Unit 6|8| +> |Forms|4| +> |Total|63| + +> |Section|Marks| +> |:------|:----| +> |Knowledge|21| +> |Application|23| +> |Thinking|12| +> |Communication|3| +> |Forms|4| + +> |Part|Question| +> |:---|:-------| +> |A|9 multiple choice| +> |B|10 Short Answer -->
- 7 Knowledge questions
- 30 Application Questions| +> |C|10 Open Response -->
- 10 Knowledge Questions
- 5 Application Questions
- 3 Thinking Questions
- 1 Communication Question| + # Essential Skills (1) > ## Simple Arithmetics >> ### Addition / Subtraction @@ -107,7 +133,9 @@ >>> Some examples include the following: 5.4 x 103, 3.0 x 102, and 4.56 x 10-4. >>> When the number is smaller than 1, a negative exponent is used, when the number is bigger than 10, a positve exponent is used ->>> +>>> + +>>> **Remember**: For scientific notation, round to ```3 significant``` digits >> ## Rates, Ratio and Percent >>> ```Ratio```: A comparison of quantities with the same unit. These are to be reduced to lowest terms. @@ -374,7 +402,7 @@ > ```Linear Relation```: A relation which a single straight line can be drawn through every data point and the first differences are constant > ```Non - Linear Relation```: A single smooth curve can be drawn through every data point and the first differences are not constant > ## Slope and Equation of Line ->> ```Slope```: The measure of the steepness of a line - ```rise / run``` or ```rate of change y / rate of change x``` +>> ```Slope```: The measure of the steepness of a line - ```rise / run``` or ```the rate of change``` >> ```Slope Formula```: **m = (y2-y1)/(x2-x1)** >> ```Standard Form```: **ax + by + c = 0**, a∈Z, b∈Z, c∈Z (must be integers and ```a``` must be positive) >> ```Y-intercept Form```: **y = mx + b** @@ -452,12 +480,12 @@ >>| y | x |First Difference| >>|:--|:--|:---------------| ->>|-1|-2|1| ->>|0|-1|1| ->>|1|0|1| ->>|2|1|1| ->>|3|2|1| ->>|4|3|1| +>>|-1|-2|.....| +>>|0|-1|(-1)-(-2) = 1| +>>|1|0|0 - (-1) = 1| +>>|2|1|1 - 0 = 1| +>>|3|2|2 - 1 = 1| +>>|4|3|3 - 2 = 1| > ## Tips >> Label your graph correctly, the scales/scaling and always the ```independent variable``` on the ```x-axis``` and the ```dependent variable``` on ```y-axis```