### KCSE Mathematics Form One, Two, Three and Four (Form 1-4) Notes

Mathematics Form 1-4 : CHAPTER SIXTY FIVE – AREA APPROXIMATION14 min readMathematics Form 1-4 : CHAPTER SIXTY FOUR – INTERGRATION7 min readMathematics Form 1-4 :

### MATHEMATICS O LEVEL(FORM ONE) NOTES – UNITS

UNITSUNITS OF LENGTHBasic unit of length is meter.Other unit are such as :-UnitSymbolMillimetermm CentimetercmDecimeterdmMetermDecameter damHectametrehm Kilometer kmKm hm dam m dm cm mm1 0 0

### MATHEMATICS O LEVEL(FORM ONE) NOTES – RATIO, PROFIT AND LOSS

RATIO, PROFIT AND LOSSRatio:- the ratio of number p and q is p:q or p ÷ q or p/q Examples:1. Joha and Siwenza shared 4,000

### MATHEMATICS O LEVEL(FORM ONE) NOTES – PERIMETERS AND AREA

PERIMETERS AND AREA PERIMETER:The perimeter is the length of a closed curve. It is measured in centimeters, meter, kilometer etcTo find the perimeter of a

### MATHEMATICS O LEVEL(FORM ONE) NOTES – APPROXIMATIONS

APPROXIMATIONS Is the process of rounding off a number in the given places in rounding makes numbers easier to deal with but at the same

### MATHEMATICS O LEVEL(FORM ONE) NOTES – ALGEBRA

ALGEBRAAlgebra is a study which deals with situations whereby some values unknown. Normally these unknown are represented by letters. Those letters are also referred to

### MATHEMATICS O LEVEL(FORM ONE) NOTES – COORDINATE GEOMETRY(2)

(d) (2,6), (5,3)Let (x1, y1) = (2,6)(x2, y2) = (5, 3)It has a negative gradient (e) (1,6), (3, -1) Let (x1, y1) be (1, 6)

### MATHEMATICS O LEVEL(FORM ONE) NOTES – COORDINATE GEOMETRY(1)

COORDINATE GEOMETRYIntroductionThe position of points on a line found by using a number line, that is When two number lines one vertical and another one

### MATHEMATICS O LEVEL(FORM ONE) NOTES – FRACTIONS

FRACTIONSA fraction is a number that can be written in the form of Where a and b are intergers and b 0The number which is

### MATHEMATICS O LEVEL(FORM ONE) NOTES – NUMBERS

NUMBERSWhat is numbers?Numbers are symbols or words which represent quantity of something for example in form 1B there are forty four students.i.e. 44 studentsThe numbers